NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.

Contact ASTM International (www.astm.org) for the latest information

Designation: F1387 − 99 (Reapproved 2012) An American National Standard

Standard Specification for

Performance of Piping and Tubing Mechanically Attached
Fittings1
This standard is issued under the fixed designation F1387; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.

1. Scope This standard does not purport to address all of the safety
1.1 This specification establishes the performance charac- concerns, if any, associated with its use. It is the responsibility
teristics required for mechanically attached fittings (MAFs) for of the user of this standard to establish appropriate safety,
use in piping and tubing systems. These fittings directly attach health, and environmental practices and determine the appli-
to pipe or tube by mechanical deformation of the pipe or tube cability of regulatory limitations prior to use.
or fitting, or a combination thereof, creating a seal and a 1.8 This international standard was developed in accor-
restrained joint. The seal may be created via the mechanical dance with internationally recognized principles on standard-
deformation or created independently. Successful completion ization established in the Decision on Principles for the
of the tests described constitutes completion of the technical Development of International Standards, Guides and Recom-
portion of the qualification process. mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
iTeh Standards
1.2 Supplementary requirements are provided for use when
additional testing or inspection is desired. These shall apply
2. Referenced Documents
only when specified in part or whole by the purchaser in the
(https://standards.iteh.ai)
2
order. Unless otherwise specified, U.S. Navy contracts shall 2.1 ASTM Standards:
invoke the supplementary requirements in whole. A105/A105M Specification for Carbon Steel Forgings for

1.3 Unless specific MAF types Document

are specified, the term Preview
Piping Applications
A106/A106M Specification for Seamless Carbon Steel Pipe
“MAF” shall apply to all types described herein. for High-Temperature Service
1.4 The tests specified in Section 13 and described in Annex A108 Specification for Steel Bar, Carbon and Alloy, Cold-
A1 and Supplementary Requirements are applicable ASTMonly F1387-99(2012)
to Finished
performance characteristics of MAFs. These tests A109/A109M Specification for Steel, Strip, Carbon (0.25
https://standards.iteh.ai/catalog/standards/sist/ee760922-0a53-48a7-8d23-092f6cf63a15/astm-f1387-992012
ascertain the
are not intended for use in the evaluation of non-MAF Maximum Percent), Cold-Rolled
products. A167 Specification for Stainless and Heat-Resisting
Chromium-Nickel Steel Plate, Sheet, and Strip
1.5 A fire performance test is specified in Supplementary
A182/A182M Specification for Forged or Rolled Alloy and
Requirement S7. This test provides general guidelines to
Stainless Steel Pipe Flanges, Forged Fittings, and Valves
determine the responsiveness of MAFs when subjected to fire.
and Parts for High-Temperature Service
This test should not be considered for use to evaluate non-MAF
A213/A213M Specification for Seamless Ferritic and Aus-
products.
tenitic Alloy-Steel Boiler, Superheater, and Heat-
1.6 The values stated in SI units are to be regarded as the Exchanger Tubes
standard. The values given in parentheses are for information A234/A234M Specification for Piping Fittings of Wrought
only. Carbon Steel and Alloy Steel for Moderate and High
1.7 The following safety hazards caveat applies only to the Temperature Service
tests listed in Section 13 and the tests described in the A240/A240M Specification for Chromium and Chromium-
Supplementary Section and the Annex of this specification: Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
Vessels and for General Applications
1
This specification is under the jurisdiction of ASTM Committee F25 on Ships
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
2
Machinery and Piping Systems. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved May 1, 2012. Published May 2012. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1992. Last previous edition approved in 2005 as F1387 – 99 (2005). Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/F1387-99R12. the ASTM website.

Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States

1
 F1387 − 99 (2012)
A249/A249M Specification for Welded Austenitic Steel E511 Test Method for Measuring Heat Flux Using a Copper-
Boiler, Superheater, Heat-Exchanger, and Condenser Constantan Circular Foil, Heat-Flux Transducer
Tubes E1529 Test Methods for Determining Effects of Large Hy-
A262 Practices for Detecting Susceptibility to Intergranular drocarbon Pool Fires on Structural Members and Assem-
Attack in Austenitic Stainless Steels blies
A269 Specification for Seamless and Welded Austenitic 2.2 Federal Specifications:4
Stainless Steel Tubing for General Service QQ-P-35 Passivation Treatments for Corrosion-Resisting
A276 Specification for Stainless Steel Bars and Shapes Steels
A312/A312M Specification for Seamless, Welded, and QQ-N-281 Nickel-Copper Alloy Bar, Rod, Plate, Sheet,
Heavily Cold Worked Austenitic Stainless Steel Pipes Strip, Wire, Forgings and Structural and Special Shaped
A380 Practice for Cleaning, Descaling, and Passivation of Sections
Stainless Steel Parts, Equipment, and Systems QQ-N-286 Nickel-Copper-Aluminum Alloy, Wrought (UNS
A403/A403M Specification for Wrought Austenitic Stainless N05500)
Steel Piping Fittings QQ-P-416 Plating, Cadmium (Electrodeposited)
A450/A450M Specification for General Requirements for QQ-B-626 Brass, Leaded and Nonleaded Rods, Shapes,
Carbon and Low Alloy Steel Tubes Forgings and Flat Product, TH Finished Edges (Bar and
A479/A479M Specification for Stainless Steel Bars and Strip)
Shapes for Use in Boilers and Other Pressure Vessels QQ-S-763 Steel Bars, Wire, Shapes, and Forgings, Corro-
A530/A530M Specification for General Requirements for sion Resisting
Specialized Carbon and Alloy Steel Pipe 2.3 Military Specifications:4
A564/A564M Specification for Hot-Rolled and Cold- MIL-S-901 Shock Tests, H.I. (High Impact) Shipboard
Finished Age-Hardening Stainless Steel Bars and Shapes Machinery, Equipment, and Systems, Requirements for
A576 Specification for Steel Bars, Carbon, Hot-Wrought, MIL-T-1368 Tube and Pipe, Nickel Copper Alloy Seamless
Special Quality and Welded
A766/A766M Specification for Forgings, Leaded, and Re- MIL-H-5606 Hydraulic Fluid, Petroleum Based, Aircraft,
tions (Withdrawn 1989)3 iTeh Standards
sulfurized Carbon Steel, for Pressure-Containing Applica- Missile, and Ordinance
MIL-L-7808 Lubricating Oil, Aircraft Turbine Engine, Syn-
(https://standards.iteh.ai)
B16/B16M Specification for Free-Cutting Brass Rod, Bar
and Shapes for Use in Screw Machines
B21/B21M Specification for Naval Brass Rod, Bar, and
thetic Base, NATO Code Number O-148
MIL-T-8606 Tubing, Steel Corrosion-Resistant (18-8 Stabi-

Document Preview
lized and Extra Low Carbon)
Shapes AND 10102 Tubing—Standard Dimensions for Round Al-
B111/B111M Specification for Copper and Copper-Alloy loy Steel
Seamless Condenser Tubes and Ferrule Stock MIL-C-15726 Copper-Nickel Alloy, Rod, Flat Products
B117 Practice for Operating Salt Spray (Fog)ASTM
Apparatus
F1387-99(2012)
(Flat Wire, Strip, Sheet, Bar, and Plate) and Forgings
B122/B122M Specification for Copper-Nickel-Tin Alloy,
https://standards.iteh.ai/catalog/standards/sist/ee760922-0a53-48a7-8d23-092f6cf63a15/astm-f1387-992012
Copper-Nickel-Zinc Alloy (Nickel Silver), and Copper-
DOD-P-16232 Phosphate Coatings, Heavy, Manganese or
Zinc Base (for Ferrous Metals)
Nickel Alloy Plate, Sheet, Strip, and Rolled Bar MIL-T-16420 Tube, Copper Nickel Alloy, Seamless and
B124/B124M Specification for Copper and Copper Alloy Welded (Copper Alloy Numbers 715 and 706)
Forging Rod, Bar, and Shapes MIL-F-18866 Fittings Hydraulic Tube, Flared, 37° and
B154 Test Method for Mercurous Nitrate Test for Copper Flareless Steel
Alloys MIL-C-20159 Copper-Nickel Alloy Castings
B164 Specification for Nickel-Copper Alloy Rod, Bar, and MIL-T-24107 Tube, Copper, (Seamless) (Copper Numbers
Wire 102, 103, 108, 120, 122, and 142)
B251 Specification for General Requirements for Wrought MIL-P-24691/1 Pipe and Tube, Carbon Steel, Seamless
Seamless Copper and Copper-Alloy Tube (Metric) B0251 MIL-P-24691/2 Pipe and Tube, Chromium-Molybdenum
_B0251M Steel, Seamless
B371/B371M Specification for Copper-Zinc-Silicon Alloy MIL-P-24691/3 Pipe and Tube, Corrosion-Resistant, Stain-
Rod less Steel, Seamless or Welded
B564 Specification for Nickel Alloy Forgings MIL-R-83248/1 Rubber, Fluorocarbon Elastomer, High
B633 Specification for Electrodeposited Coatings of Zinc on Temperature, Fluid and Compression Set Resistant,
Iron and Steel O-Rings, Class 1, 75 Hardness
B696 Specification for Coatings of Cadmium Mechanically MIL-H-83282 Hydraulic Fluid, Fire Resistant, Synthetic
Deposited Hydrocarbon Base, Aircraft, Metric, NATO Code Number
B766 Specification for Electrodeposited Coatings of Cad- H-537
mium

4
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
3
The last approved version of this historical standard is referenced on Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
www.astm.org. dodssp.daps.dla.mil.

2
 F1387 − 99 (2012)
2.4 Military Standards:4 elbows, tees, crosses, plugs, adapters, reducers, flanges, and
MIL-STD-105 Sampling Procedures and Tables for Inspec- special shapes are used as needed to fulfill MAF system design
tion by Attributes specifications.
MIL-STD-167 Mechanical Vibration of Shipboard Equip- 3.1.4 joint, n—interface between pipe or tube and MAFs
ment where the seal is maintained or mechanical holding strength is
MIL-STD-271 Nondestructive Testing Requirements of applied or maintained within the overall MAF design.
Metals
3.1.5 leakage, n—the escape of fluid or gas from any point
MIL-STD-278 Welding and Casting Standard
of the MAF, including the MAF joint interface, sufficient to
MIL-STD-753 Corrosion-Resistant Steel Parts, Sampling,
drop or flow from the point of formation or gas bubbles rising
Inspection and Testing for Surface Passivation
to the surface after the first minute of submersion.
MIL-STD-777 Schedule of Piping Valves, Fittings, and As-
sociated Piping Components for Naval Surface Ships 3.1.6 mechanically attached fitting (MAF), n—a fitting that
MIL-STD-889 Dissimilar Metals is directly attached to pipe or tube by mechanical deformation
MIL-STD-1235 Single- and Multi-Level Continuous Sam- of the pipe/tube or fitting, or both, creating a seal and a
pling Procedures and Table for Inspection by Attributes restrained joint. The seal may be created via the mechanical
MIL-STD-2175 Castings, Classification and Inspection of deformation or created independently.
MS 33531 Tolerances, Welded Corrosion-Resistant Steel 3.1.7 penalty run, n—a penalty run is performed with
Tubing penalty run MAF specimens when the original MAF test
MIL-STD-45662 Calibration System Requirements specimen leaks or separates during testing as a result of any
2.5 American National Standards Institute (ANSI): 5 cause that is not related to the design of the MAF being
B 36.10 Welded and Seamless Wrought Steel Pipe qualified.
B 46.1 Surface Texture (Surface Roughness, Waviness and 3.1.8 penalty run MAF specimens, n—additional speci-
Lay) men(s) that are tested in the place of the original specimen(s)
2.6 Society of Automotive Engineers (SAE):6 (see 3.1.7).
3.1.8.1 Discussion—These additional MAF specimen(s) are
0.30 (Cb + Ta) 4.0 Cu
J 514 Hydraulic Tube Fittings
iTeh Standards
AMS 5643 Bars, Forgings, Tubing and Rings—16 Cr 4.0 Ni
assembled
MAFs of
using the same methods along with additional
the same type, grade, class, and configuration and
J 515 Hydraulic “O” Ring (https://standards.iteh.ai)
SAE 1010 Carbon Steel: Nonsulfurized Manganese 10 %
additional
material
pipe or tube with the same wall thickness and
conditions as the original test specimen.
Minimum
Document Preview
2.7 American Society of Mechanical Engineers (ASME):7
3.1.9 permanent MAF, n—a fitting whose joint(s) attach
directly to the pipe or tube to join two or more pipes or tubes
ASME Code, Section IX or other MAFs in a combination of pipes or tubes and
components. In either case, the permanent MAFs cannot be
ASTM F1387-99(2012) disassembled and reused after initial assembly.
3. Terminology
https://standards.iteh.ai/catalog/standards/sist/ee760922-0a53-48a7-8d23-092f6cf63a15/astm-f1387-992012
3.1.10 pipe, n—hollow round product conforming to the
3.1 Definitions:
dimensional requirements for nominal pipe size (NPS) as
3.1.1 class, n—a group of MAFs of a particular design with
tabulated in ANSI B36.10, Table 2.
the dimensions proportional to pipe or tube outside diameters,
made from the same material grade (or combination of grades), 3.1.11 rated pressure, n—the manufacturer’s recommended
for the same rated pressure, or for a rated pressure inversely in-service pressure assigned to the MAF (see 3.1.15).
proportional to the diameter. 3.1.12 separable MAF, n—a fitting whose joint(s) attach
3.1.1.1 Discussion—Class designation for MAF is assigned directly to the pipe or tube to join two or more pipes or tubes
based upon the rated pressure used to test the MAF design. or other MAFs in a combination of pipes or tubes and
3.1.2 failure, n—any leakage or joint separation unless components. Once assembled, the separable MAFs can be
otherwise determined to be due to a tubing/pipe or fitting disassembled and reassembled a multiple number of times.
defect. 3.1.12.1 Discussion—Some subcomponents of separable
MAFs may become permanently attached to the pipe or tube
3.1.3 fitting, n—connecting device used to join multiple
without affecting the function of the joint.
pipes or tubes or other MAFs together to create a working
system. 3.1.13 specimen, n—a prepared assembly consisting of a
3.1.3.1 Discussion—Shapes such as couplings, unions, MAF assembled onto a preselected pipe or tube. The specimen
is placed into a controlled environment and tested to determine
if the MAF assembly meets the requirements specified in the
5
test being performed.
Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
4th Floor, New York, NY 10036, http://www.ansi.org. 3.1.14 test pressure, n—a selected pressure used during
6
Available from SAE International (SAE), 400 Commonwealth Dr., Warrendale, testing, which is based upon the rated pressure (see 3.1.13) of
PA 15096-0001, http://www.sae.org.
7
Available from American Society of Mechanical Engineers (ASME), ASME
the MAF or pipe or tube, whichever is lower, times the factor
International Headquarters, Two Park Ave., New York, NY 10016-5990, http:// specified for each test (that is, 1.25, 1.50, 2.00, 4.00, and so
www.asme.org. forth).

3
 F1387 − 99 (2012)
3.1.15 tube, n—hollow round product which is usually 4.2.3 Grade C—Nickel-copper.
specified with respect to outside diameter and wall thickness. 4.2.4 Grade D—Copper-nickel.
4.2.5 Grade E—Brass.
4. Classification 4.2.6 Grade F—Nickel titanium.
4.1 MAFs are classified into the following design types: 4.3 The MAF rated pressure may be one of the following
classes:
NOTE 1—Each MAF type may consist of more than one material and
class. NOTE 3—The rated pressure may differ within the size range of a MAF
4.1.1 Type I: Radially Swaged MAF (Permanent)—A por- being qualified (see 3.1.1).
tion of the MAF diameter is reduced mechanically by means of 4.3.1 Class 1—1.38 MPa (200 psi) maximum.
an installation tool through radial compression to provide an 4.3.2 Class 2—2.76 MPa (400 psi) maximum.
intimate joint. The properly installed MAF has a circumferen- 4.3.3 Class 3—4.83 MPa (700 psi) maximum.
tial deformation of predetermined dimensions. 4.3.4 Class 4—6.90 MPa (1000 psi) maximum.
4.1.2 Type II: Flared MAF (Separable)—An assembly that 4.3.5 Class 5—10.34 MPa (1500 psi) maximum.
consists of a body, nut, and sleeve. The MAF is designed to 4.3.6 Class 6—13.79 MPa (2000 psi) maximum.
mate with a tube or other component which has been flared or 4.3.7 Class 7—20.69 MPa (3000 psi) maximum.
machined to a specific angle. The flared tube end is positioned 4.3.8 Class 8—25.86 MPa (3750 psi) maximum.
onto the MAF body cone or seat. The nut is then tightened to 4.3.9 Class 9—34.48 MPa (5000 psi) maximum.
the body thread, thus providing a tube-to-MAF seal through 4.3.10 Class 10—41.37 MPa (6000 psi) maximum.
mechanical retention.
4.1.3 Type III: Flareless (Bite-Type) MAF (Separable)—An 5. Ordering Information
assembly having a ferrule, nut, and body. The ferrule penetrates 5.1 Orders for MAFs under this specification shall include
the outside of the tubing, thus providing a pressure seal and the following:
holding mechanism. 5.1.1 ASTM designation, title, number, and year of issue;
4.1.4 Type IV: Grip-Type MAF (Separable)—An assembly 5.1.2 Quantity of fittings (MAF);
iTeh Standards
having one or two ferrules that are compressed into the surface
of the tube. In the case of the two-ferrule MAF, the forward
5.1.3 Size, nominal pipe size (NPS), or outer diameter
(OD);

(https://standards.iteh.ai)
ferrule provides the primary seal through radial compression
around the outer diameter of the tube. The rear ferrule acts as
the primary mechanical holding device. In the case of the
5.1.4 Type (I, II, III, IV, V, or VI);
5.1.5 Material grade (see 4.2, 6.1, or Table 1),
5.1.6 Class (see 3.1.1 and 4.3);
Document Preview
single-ferrule design, the ferrule is used to seal and act as the
primary mechanical holding device.
5.1.7 MAF shape (that is, straight, elbow, cross, union,
coupling, and so forth) (see 3.1.3);
4.1.5 Type V: Shape Memory Alloy (SMA) MAF 5.1.8 Supplementary requirements, if any;
(Permanent)—Mechanically attached fittings that ASTMuse SMA to 5.1.9 Other requirements agreed to between the purchaser
F1387-99(2012)
provide the mechanical force required to produce a metal-to- and the manufacturer; and
https://standards.iteh.ai/catalog/standards/sist/ee760922-0a53-48a7-8d23-092f6cf63a15/astm-f1387-992012
metal seal between the pipe or tube and the MAF. The 5.1.10 Inspection and acceptance of MAFs as agreed upon
metal-to-metal seal that is formed is a “live crimp” since the between the purchaser and the supplier (see Section 14).
pipe or tube and the SMA are in a state of dynamic equilibrium. 5.2 Optional Ordering Requirements:
The SMA maintains a permanent inward radial force on the 5.2.1 Certification (see Section 15).
pipe or tube at all times. The MAF body itself may be 5.2.2 Special marking requirements (see Section 16 and
manufactured from a nonshape memory metal and used in S1.5).
conjunction with a driver made from SMA.
4.1.6 Type VI: Axially Swaged MAF (Permanent)— 6. Materials and Manufacture
Mechanically attached fittings that have machined swaging
6.1 MAF Material—The MAF material used may be as
rings telescopically “press fit” from the extremities toward the
specified in Table 1 or may be other materials not specified in
center of the MAF body. An installation tool advances the
Table 1, as agreed to between the manufacturer and the
swaging rings axially over the MAF body into a seated and
purchaser.
locked position. The swage rings compress the MAF body onto
6.1.1 All types may be manufactured from wrought bars,
the pipe or tube forming a metal-to-metal seal. The seal is
forgings, castings, pipe, or tube.
permanently maintained by the force radially exerted by the
6.1.2 Flow of Grain—MAFs machined from hot- or cold-
swaging rings onto the sealing interface.
drawn bars shall have their longitudinal axis parallel to the
4.2 The MAFs shall be made from one or more of the longitudinal axis of the bar with at least the center one third of
following material grades: the bar removed during the manufacturing process unless
NOTE 2—When multiple components resulting in more than one
testing shows the center material to be free of injurious defects.
material grade are specified within a MAF assembly, the combination of 6.2 Material Quality—The material shall be of such quality
grades used shall be galvanically compatible. and purity that the finished product shall have the properties
4.2.1 Grade A—Carbon steel. and characteristics to meet the performance requirements of
4.2.2 Grade B—Stainless steel. this specification.

4
 F1387 − 99 (2012)
TABLE 1 Material Specifications for MAFs
Type Straight Shape Nut/Ring Sleeve or Ferrule Backup Washer Seal Material
(Body, Lock, Jam)

Grade A: Carbon Steel

A
I A108 A576 A108 ... ... MIL-R-83248/1
II A108 A576 A576B A108 A109/A109M C
D
III A108 A576 A576 A108 A109/A109M
IV A108 A576B A576 A108 A109/A109M D

VI A108A A576E A108A ... ... D

Grade B: Stainless Steel

F G
I A312/A312M QQ-S-763 A312/A312MF ... ... MIL-R-83248/1
II A479/A479M A182/A182M A479/A479MH A479/A479MH A167I C

III A479/A479M A182/A182M A479/A479MH A564/A564MJ A167I D

IV A479/A479M A182/A182M A479/A479M A276 A167I D

A240/A240M
VI A312/A312MF A182/A182MK A312/A312MF ... ... D

Grade C: Nickel Copper

II B164 B564 B164 B164 A167I C

III B164 A564/A564M B164 B164 A167I D

IV B164L B564L B164L B164L A167I D

QQ-N-286

Grade D: Copper Nickel

I MIL-C-15726M MIL-C-20159M MIL-C-15726M ... ... MIL-R-83248/1

II B122/B122M B122/B122M B122/B122M B122/B122M A167I C

iTeh Standards
III B122/B122M B122/B122M B122/B122M A564/A564MI A167I D

VI MIL-C-15726M MIL-C-20159M MIL-C-15726M ... ... D

(https://standards.iteh.ai)
Grade E: Brass

II B16/B16M B124/B124M B16/B16MN B111/B111MO ... C

IV B16/B16MP B124/B124MP B16/B16MP B16/B16MP ... D

Document Preview Grade F: Nickel Titanium

Q Q Q D
V ... ...

ASTM F1387-99(2012)
A
Alternate material in conformance to Specification A106/A106M (Grade B) may be used.
B
Alternate material in conformance to Specification A108 may be used.
https://standards.iteh.ai/catalog/standards/sist/ee760922-0a53-48a7-8d23-092f6cf63a15/astm-f1387-992012
C
D
When required by the MAF design, O-rings in accordance with SAE J515 shall be used to connect the MAF end.
No O-rings used to connect the MAF end.
E
Alternate material in conformance to Specification A234/A234M may be used.
F
Alternate material in conformance to MIL-P-24691/3 may be used.
G
304, 304L or 316, 316L material may be used.
H
Alternate material in conformance to Specification A276 may be used.
I
Grade 302.
J
Alternate material in conformance to AMS 5643 may be used.
K
Alternate material in conformance to Specification A403/A403M may be used.
L
Alternate material in conformance to QQ-N-281 may be used.
M
Alternate material in conformance to MIL-T-16420 may be used.
N
Alternate material in conformance to Specification B21/B21M may be used.
O
Alternate material in conformance to Specification B371/B371M may be used.
P
Alternate material in conformance to QQ-B-626 may be used.
Q
In accordance with the manufacturer’s specification.

6.2.1 The manufacturer is encouraged to use materials 6.4 Surface Applications and Coatings—urface applications
produced from recovered materials to the maximum extent and coatings if applicable, shall be applied and tested in
practicable without jeopardizing the intended use. Used or accordance with the requirements specified in Table 2.
rebuilt products shall not be used.
6.5 MAF Fabrication—MAFs fabricated from two or more
NOTE 4—The term “recovered materials” is interpreted as those parts may be welded. The use of brazing or soldering is not
materials that have been collected or recovered from solid waste and
reprocessed to become a source of raw material, as opposed to extra virgin permitted.
raw materials. 6.5.1 Welding procedure qualification and welding operator
6.3 Seal Materials—Seals used with MAFs shall be as performance qualification shall be in accordance with ASME
specified in Table 1. Section IX. Welding process shall be in accordance with

5
 F1387 − 99 (2012)
TABLE 2 Finishes and Coatings Applied to MAFsA
Material Grade Type of Finish or Coating Applicable Document Test Requirement Applicable Document Test Results

A Cadmium CoatingB ,C B766D Salt Spray (Fog) B117 72 h before red rust
A B696D

A Zinc CoatingB Type II, Sur- B633 Salt Spray (Fog) B117 72 h before red rust
face Condition 1

A Phosphate CoatB Class 1 DOD-P-16232 Salt Spray (Fog) B117 32 h before red rust

B Passivation A380 Copper Sulphate Test MIL-STD-753 pass copper sulphate test
QQ-P-35 Method 102
A
Other finishes or coatings not specified herein may be used upon mutual agreement between the manufacturer and the purchaser.
B
Coating shall be a minimum of 0.0002 followed by a chromate treatment or with a phosphate coating with oil finish.
C
Cadmium plating shall not be used on MAFs intended for use on U.S. Navy vessels.
D
Federal Specification QQ-P-416 plating may also be used.

TABLE 3 Specimen Geometry and Testing RequirementsA

Description of Number of Specimens Applicability of Test
Test
MIL-STD-278. Welded MAFs shall be tested in accordance Permanent Separable Permanent Separable
with the requirements as specified in 13.4.3. Examination of 22 28 yes yes
specimen
6.5.2 The welding procedure qualification test shall dupli- Pneumatic 22 28 yes yes
cate the joint configuration to be used in production. proof test
Hydrostatic 22 28 yes yes
6.6 Processing Stainless Steel Forgings—Austenitic stain- proof test
less steel components manufactured by hot forge or other Impulse testB 6 6C
yes yes
sensitizing processes shall be solution annealed and certified Flexure fatigue 6 6C yes yes
testB

iTeh Standards
free of intergranular precipitation. Practice A262 shall be used
to evaluate carbide precipitation in stainless steels.
Tensile test
Burst testB,D
Repeat
6
4
...
6
4
C
yes
yes
no
yes
yes
yes

7. Performance Requirements (https://standards.iteh.ai) assembly

testB
Rotary flexure ... 6 no yes
7.1 Testing Requirements—MAFs shall be subjected to the
standard performance tests specified Document
in 13.1 and Table 3. The Preview
testB
Mercurous 2 2 . . .E . . .E
tests are described in the Annexes. Supplementary tests speci- nitrate test
A
fied in 13.2 and Table S1.1 shall be performed when invoked in Number of specimens does not include any specimens for supplementary tests
(see Table S1.1). When supplementary requirements in S1.3.8 are invoked, the
the order or contract by the purchaser. ASTM F1387-99(2012)
number of specimens for all tests (annex and supplementary) shall be as specified
7.1.1 These tests shall be repeated any time changes are
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made in the design, material, or manufacturing process, which
in the supplementary requirements section.
B
Specimens can be reused for other primary tests as long as all requirements
herein are complied with for each test.
in the opinion of the purchaser, may degrade the performance C
A minimum of 50 % of specimens selected for impulse and flexure fatigue testing
of MAFs. shall be subjected to repeat assembly testing.
D
When the Supplementary Requirements of this standard are invoked, burst test
7.2 Intermixing of MAF Subcomponents—The intermixing specimens shall be comprised only with passed specimens from elevated tem-
by the purchaser of subcomponents of the same design, but of perature soak (see S3) and shock test (see S6). When the Supplementary
Requirements are not invoked, new or passed specimens from other tests in the
different brands or trade names, is not permitted unless Annex can be used. In any event, the minimum quantity of specimens used for this
specifically authorized by the manufacturer. test shall be as specified.
E
7.2.1 When subcomponents of different brands, trade Two MAFs from each size and shape made from either copper zinc alloys
containing more than 15 % zinc or copper-aluminum alloys shall be tested. These
names, or manufacturers are used, the manufacturer testing the specimens shall be assembled onto pipe or tube, but do not have to be capped for
MAF design shall specify this information in the test report. pneumatic and hydrostatic testing before performing the mercurous nitrate test.

7.3 Qualification Requirements—MAFs shall be tested us-

ing specimens of the same type, grade (or combination of
grades), and class. The pipe or tube selected for the technical 7.3.1.1 Test one or more intermediate sizes if the ratio of the
qualification to this specification shall meet the requirement minimum and maximum pipe or tube outside diameter to be
specified in 7.3.4. Technical qualification of the MAF assembly tested is equal to or more than five.
shall be based upon successful completion of all required 7.3.2 Through reasonable interpolations between the MAF
testing. Each MAF design is only qualified for use with the sizes tested, all other sizes of MAFs within the same type,
pipe or tube material and minimum to maximum wall thickness grade (or combination of grades), and class, will be considered
tested or extended by interpolation (see 7.3.2 and 7.3.3). acceptable if the MAF specimens pass all of the testing
7.3.1 Except as required by Annex A11 (Mercurous Nitrate requirements specified by the purchaser. Extrapolation is not
Test), all MAFs tested shall be comprised of an equal number acceptable.
of specimens from the smallest and largest sizes within the size 7.3.3 Acceptance of tees, elbows, and other shapes within
range of the MAF type, grade, and class being tested. the same class, may be accomplished by parametric analysis

6
 F1387 − 99 (2012)
(see 7.3.3.1), as agreed to between the manufacturer and the MIL-H-5606, MIL-L-7808, or MIL-H-83282 may be used
purchaser based on the acceptance of couplings. without affecting the validity of the test.
7.3.3.1 If tees, elbows, and other shapes are made from a 7.6.4 Temperature—Unless otherwise specified, the allow-
different raw material form than the coupling (for example, able tolerance for temperature applied to the test specimen
tees and elbows manufactured from castings versus couplings during testing shall be 65°C (610°F).
manufactured from solid bar or round tube), this alternate 7.7 Pass or Fail Criteria—Pass or fail criteria for each test
material form shall undergo the same test regimen as the shall be based upon meeting or exceeding the performance
coupling. Once this is complete, parametric analysis may be requirements specified in each test.
used to qualify the remainder of the shapes as agreed to
between the purchaser and the manufacturer. 8. Dimensions
7.3.4 Recommended pipe or tube for use with MAFs may be 8.1 MAF Dimensions:
qualified throughout its wall thickness range, when pipe or tube 8.1.1 Type I MAF dimensions shall be as specified by the
of a minimum and maximum wall thickness are used within the manufacturer.
test specimens being qualified. 8.1.2 Types II and III MAF dimensions shall be as specified
7.3.5 The MAFs may incorporate non-MAF features (that in MIL-F-18866 or SAE J514 or as agreed to between the
is, bolted flanges, and so forth). Those non-MAF features that manufacturer and the purchaser.
are part of a MAF configuration shall meet the current issue of 8.1.3 Type IV MAF dimensions shall be as specified by the
existing military and commercial documents (as applicable). manufacturer.
Qualification of the non-MAF features are not within the scope 8.1.4 Type V MAF dimensions shall be as specified by the
of this specification. manufacturer.
7.4 Test Report—Upon completion of testing, a test report 8.1.5 Type VI MAF dimensions shall be as specified by the
shall be written and maintained on file during the life cycle of manufacturer.
the design. A copy of this report shall be made available upon 9. Workmanship, Finish, and Appearance
request from the purchasing activity.
iTeh Standards
9.1 Machined Surfaces—Machined surfaces shall be free
7.4.1 A failure during testing shall be analyzed and the
from burrs, cracks, laps, or seams which would affect the
failure analysis (see 11.3.1 and 11.3.2) and corrective action
suitability for the intended service.
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shall be included in the test report.
9.1.1 All machined surfaces shall be 3.2-µm roughness,
7.4.2 A retest as specified in Section 11 may be allowed
average (R ) (125-µin. R ) as specified in ANSI B46.1 or
a a
when failure of the original assembly occurs during testing.
Document Preview
duplicate of that qualified.
When retesting is permitted, the failure analysis and corrective
9.1.1.1 External surfaces that do not affect the overall
action shall be included in the test report as specified in 7.4.1.
function of MAFs shall be excluded from the requirement
7.5 Test Equipment and Inspection Facilities—The manu- specified in 9.1.1.
ASTM F1387-99(2012)
facturer shall ensure that test equipment and inspection facili- 9.2 Unmachined Surfaces—Unmachined surfaces, such as
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ties of sufficient accuracy, quality, and quantity are established forging or casting surfaces and bar stock flats, shall be free
and maintained to permit the performance of required inspec- from scale, blisters, fins, folds, seams, laps, segregations, or
tions. cracks which may be injurious to personnel or equipment or
7.5.1 Calibration System Requirements—The manufacturer affect MAF performance.
shall maintain a calibration system for all measuring and test
equipment (M & TE) in accordance with MIL-STD-45662 10. Sampling for Testing
with traceability to the National Institute of Standards and 10.1 Inspection Sampling of Raw Material—Except when
Technology (NIST). specified herein, the number of samples required for inspection
7.5.1.1 Accuracy of the M & TE used to measure allowable of raw materials for conformance of products during manufac-
variables during testing shall be within one third of the turing and processing shall be in accordance with established
tolerances permitted (see 7.6). quality assurance procedures maintained by the manufacturer
7.6 Test Conditions—Unless otherwise specified in the test, and approved by the purchaser.
the following tolerances shall be used to control conditions of 10.2 In-Process Inspection Sampling of MAFs—Inspection
the tests specified in the Annex: sampling plans of MAFs being manufactured or processed
7.6.1 Ambient Conditions—When ambient is specified, stan- shall be mutually agreed upon between the manufacturer and
dard ambient conditions shall be maintained at 25 6 10°C (77 the purchaser. MIL-STD-105 shall be used when specified in
6 18°F). the purchase order or contract. Level of inspection and accept-
7.6.2 Pressure—Unless otherwise specified, the tolerance able quality level (AQL) shall be in accordance with the
for the internal pressure applied to the test specimen during manufacturer’s quality assurance procedures.
testing shall be maintained at 65 %. 10.3 Lot Acceptance—Lot acceptance sampling plans shall
7.6.3 Test Fluids—Unless otherwise specified, the test fluids be mutually agreed upon between the manufacturer and the
used in the testing of MAF shall include those fluids specified purchaser. MIL-STD-105 shall be used when specified in the
within the test. Water and other fluids such as SAE Grade 10W, purchase order or contract.

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 F1387 − 99 (2012)
10.4 Sampling for Inspection of Type III Ferrules—A ran- 11.4.5 In addition to the part number and test specimen
dom sample of ferrules shall be selected from each lot in number, a designator shall be placed after the test specimen
accordance with MIL-STD-105, Special Inspection Level S-2, number which would allow the specimen to be identified as a
AQL of 2.5, and tested in accordance with 13.4.1. Other penalty run specimen. The method used to identify penalty run
inspection or sampling plans may be used upon mutual specimens shall be at the manufacturer’s option.
agreement between the manufacturer and the purchaser.
10.4.1 A minimum of five ferrules shall be randomly 12. Specimen Preparation
selected from each lot and subjected to the testing specified in 12.1 Specimen preparation and installation of MAFs on
13.4.2. appropriate testing apparatus shall be in accordance with the
10.5 Sampling for Inspection of Fabricated MAFs—A mini- manufacturer’s recommended procedures.
mum of four samples shall be selected at random from each lot 12.1.1 Permanent MAFs shall be assembled at the minimum
of welded products and subjected to the tests specified in allowable insertion depth permitted by the manufacturer’s
13.4.3. recommended procedure.
12.1.2 Separable MAFs shall be assembled using the mini-
mum value (that is, torque, nut rotation, and so forth) permitted
11. Number of Tests and Retests
by the manufacturer’s recommended procedure.
11.1 Number of Test Specimens—The tests used to qualify
12.2 Assembly of Specimens—MAFs qualified under the
MAFs and the number of specimens required for each test shall
requirements of this specification shall be tested and qualified
be as specified in Table 3.
as a completed assembly. The acceptance of similar, but
11.2 Replacement of Test Specimens—When untested speci- different, MAF designs shall not permit the intermixing of their
mens are rejected as a result of overtightening, inferior subcomponents such as sleeves, nuts, and ferrules.
workmanship or materials, or assembly, the specimens shall be 12.2.1 Test specimens used in testing shall be assembled
dispositioned in accordance with the manufacturer’s quality using a MAF of a single type, grade (or combination of
assurance procedures. grades), and pipe or tube material.

iTeh Standards
11.2.1 The original unique numbers assigned in accordance 12.2.2 The wall thickness and outer diameter size of the
with 12.3.1 shall be recorded in the test report along with the pipe or tube shall be selected in accordance with the MAF sizes
reason for rejection. (see 7.3.4) being qualified.
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11.2.1.1 New test specimens with MAFs of the same type,
grade, and class, and pipe or tube of the same outside diameter
12.2.3 The test specimens shall be assembled using the
specimen geometry specified in Fig. 1.

Document Preview
and wall thickness shall be prepared in accordance with
Section 12.
11.3 Penalty Runs—In the event of a test failure, the
manufacturer shall proceed with one of the following
ASTMoptions:
F1387-99(2012)
11.3.1 If the failure is determined to be design related, the
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manufacturer shall redesign the MAF and start all tests from
the beginning. The requirements in 11.3.2 shall not apply to
redesigned MAF.
11.3.2 If the failure is determined to be unrelated to the
design, the test specimen shall be rerun. A replacement test
specimen shall be prepared in accordance with the require-
ments in 11.2 and Section 12.
11.3.3 If the failure cannot be determined to be either design
related or not design related, the manufacturer shall test three
additional penalty specimens. The requirements specified in
11.3.2 shall apply.
11.4 Penalty Run Specimen Preparation—Penalty run
specimens shall be prepared when MAF has failed any of the
tests specified in the Annexes.
11.4.1 The MAF used for penalty runs shall be of the same
type, grade, and class as the failed MAF being replaced.
11.4.2 The pipe or tube used in penalty runs shall be of the
same material (inlcuding form and condition), outer diameter,
and wall thicknesses as the pipe or tube being replaced.
11.4.3 Preparation of the penalty run specimens shall be in
accordance with Section 12.
11.4.4 Penalty run specimens shall be identified in accor-
dance with 12.3 and 11.4.5. FIG. 1 Typical Specimen Geometries

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 F1387 − 99 (2012)
12.3 Identification of Test Specimens—Each test specimen unacceptable. There shall be no longitudinal or circumferential
shall be identified with a unique number to provide traceability cracks on the ferrule before driving it back.
back to the test records. 13.4.2.2 Use Type 304 tubing in accordance with Specifi-
12.3.1 Identification of test specimens shall be permanent. cations A213/A213M, A249/A249M, or A269 for testing
In those cases in which size or design does not permit corrosion-resistant steel MAFs. Use SAE 1010 tubing to test
permanent markings, tagging or bagging may be used. carbon steel MAFs. The tubing materials as specified will
12.3.2 When, as a result of testing, a test specimen is assure consistent results of testing. Preset Type III ferrules onto
sectioned into two or more pieces, the identification method the tubing in accordance with the manufacturer’s recom-
shall be as specified in 12.3.1. mended procedures using either a presetting machine, preset-
ting tool, or the MAF.
13. Test Methods 13.4.2.3 When the Type III ferrules are manufactured from
13.1 Standard Qualification Tests—All tests used to qualify materials other than those specified in 13.4.2.2, conduct the test
MAFs shall be as specified in the Annexes. The following using tubing material as recommended by the manufacturer.
primary tests are described: 13.4.3 Fracture test a minimum of four MAFs selected at
Name of Test Section random from each lot of welded MAFs as specified in 13.4.3.1
and then either crush test in accordance with 13.4.3.2 or
Performance Tests for MAFs A1 macroexamine in accordance with 13.4.3.3.
Examination of Specimen A2
Pneumatic Proof Test A3 13.4.3.1 Test two MAFs. Cut each MAF into two or more
Hydrostatic Proof Test A4 sections. Cut the sections so that the weld is perpendicular to
Impulse Test A5 the longitudinal axis of the section. The total width of the
Flexure Fatigue Test A6
Tensile Test A7 sections taken from each MAF shall be equal to or exceed one
Hydrostatic Burst Test A8 fourth of the circumference of the MAF. Remove all weld
Repeated Assembly Test A9
Rotary Flexure Test A10
flashing. Load each section laterally in such a way that the root
Mercurous Nitrate Test A11 of the weld is in tension. Bend the section until it fractures or
is bent 90°. If the specimen fractures, the fractured surface
iTeh Standards
13.2 Supplementary Tests—When one or more of the
supplementary requirements are requested by the purchaser shall show no evidence of preexisting cracks or incomplete
(see 1.2), the following applicable test(s) shall also be per- fusion, and the sum of the lengths of inclusions and porosity
formed:
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Name of Test Section
visible on the fractured surface shall not exceed 10 % of the
total area. Cracking or tearing of the parent material is
acceptable.
General Requirements
Thermal Cycling Test
Document Preview S1
S2
13.4.3.2 Two MAFs shall be tested. Remove all weld
flashing. Position each MAF between two parallel plates in a
Elevated Temperature Soak Test S3
Stress Corrosion Test S4 manual or hydraulic press, or between the jaws of a multiple-
Torsion Test
Shock Test
ASTM
S5
S6
F1387-99(2012)
jaw hydraulic press. The weld shall be located 3.2 mm (1⁄8 in.)
from the face of the plates or jaws. Flatten the MAF against
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Fire Test S7
itself between the parallel plates or crush the MAF to within
Vibration Test S8
50 % of its original diameter between the multiple jaws. There
13.3 Certification of Test Results—If certified test results are
shall be no indication of cracking or tearing in the weld joints.
required, a certification shall be provided to the purchaser as
Cracking or tearing of parent material is acceptable.
specified in the contract or purchase order.
13.4.3.3 Test two MAFs. Take a cross section of the weld
13.4 In-Process Inspection Tests—The following tests shall from each MAF. Smooth and etch one face of each cross
be performed by the manufacturer in accordance with in-house section to give a clear definition of the weld metal and
practices and when specified in the contract or purchase order: heat-affected zone. When examined, the weld and the heat-
13.4.1 Metallographically prepare, microexamine, and test affected zone shall show complete fusion and freedom from
for hardness and microstructural conformance to the manufac- cracks.
turer’s appropriate specification a random sample of Type III
ferrules, as specified in 10.4.1. An appropriate specification is 14. Inspection
defined as the documented procedures that the manufacturer
uses on a continuing basis to produce ferrules. Such ferrules 14.1 Terms of Inspection—Unless otherwise specified in the
shall be of the same quality as those used in the assemblies that contract or purchase order, the manufacturer is responsible for
were previously tested and found to satisfy the performance the performance of all inspection requirements (examination
requirements of this specification. and tests) specified herein.
13.4.2 Randomly select a minimum of five Type III ferrules 14.2 Raw Material Inspection—Each lot of raw material
from each lot as specified in 10.5 and test for cut bite quality. used to produce MAFs in accordance with this specification
13.4.2.1 Preset the Type III ferrules onto tubing as specified shall be inspected for conformance to the applicable material
in 13.4.2.2. After disassembly, drive back each ferrule to specification. A lot of raw material shall consist of bars, pipe,
expose the ring cut for examination. The cut bite shall tube, forgings, or castings of the same heat, produced at
completely encircle the periphery of the tube. The cut bite shall essentially the same time and submitted for inspection at the
be clean, smooth, and uniform. A jagged irregular cut bite is same time.

9
 F1387 − 99 (2012)
14.3 Quality Conformance Inspection—MAFs shall be vi- fications that the MAF has been tested and qualified in
sually and dimensionally examined to verify compliance with accordance with this specification.
the appropriate drawings. Quality conformance inspection
15.2 Certification of Raw Material—A certificate of com-
shall be performed on each lot of MAFs produced under this
pliance or mill certificate shall be obtained from the material
specification.
supplier. This certificate shall state that all applicable require-
14.3.1 The inspection lot of MAFs shall include MAFs of
ments of the raw material are met. As a minimum, the material
the same size and shape manufactured under essentially the
specification shall specify the chemical and mechanical re-
same conditions from the same lot of material and submitted
quirements of the material.
for inspection at one time.
14.4 Process Control Inspection—MAFs shall be inspected 16. Product Marking
throughout the entire manufacturing and processing cycle.
Methods of inspection shall be in compliance with the manu- 16.1 Product Marking—Each MAF shall be marked with
facturer’s quality assurance procedures. the manufacturer’s name or trademark, size, and material
(material marking is not required for Type V MAF). When
14.5 Inspection Records—Inspection records shall be main- shape or size does not permit inclusion of all required
tained by the manufacturer. The length of time on file shall be markings, the information may be omitted in the reverse order
in accordance with the manufacturer’s quality assurance pro- presented.
cedures.
16.1.1 When MAFs are comprised of multiple components
14.6 Performance Testing Records—The manufacturer shall that are assembled, the marking methods used to identify the
maintain a record of all performance tests throughout the life of assembly (and each of its components) shall be as agreed to
the MAF design. between the manufacturer and the purchaser.
14.6.1 The original test specimens, as well as replacement
or penalty run specimens, used in performance testing to meet 16.2 Additional Markings—When specified in the contract
qualification shall be maintained by the manufacturer for a or purchaser order, additional markings other than those
minimum of two years. specified shall be applied.

iTeh Standards
14.6.2 Inspection records relating to the performance tests
shall be maintained in accordance with 14.5. 17. Keywords

15. Certification (https://standards.iteh.ai)

15.1 Certification of Testing or Inspection—When requested
17.1 axially swaged; bite-type; elastic strain preload (esp);
fittings; flared; flareless; grip type; mechanically attached
fittings (MAFs); piping; radially swaged; shape memory alloy
Document Preview
by the purchaser, the manufacturer shall supply written certi- (SMA)tubing

ASTM F1387-99(2012)
SUPPLEMENTARY REQUIREMENTS
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The following supplementary requirements shall apply only when specified in part or whole by the
purchaser in the contract or purchase order.

S1. GENERAL REQUIREMENTS

S1.1 Scope S1.1.3 This section is applicable to MAFs that are designed
S1.1.1 This section covers the general requirements that, for the following pipe or tube sizes:
unless otherwise specified, apply to the Annex or this section S1.1.3.1 This supplementary section is applicable to MAFs
whenever invoked individually or collectively by the purchaser suitable for pipe outside diameters for NPS 3.2 mm (1⁄8 in.)
of MAFs in the contract or purchase order. The testing through 63.5 mm (21⁄2 in.).
requirements specified herein are applicable to all the tests S1.1.3.2 This supplementary section is applicable to MAFs
described in Sections S2 through S8 (see Table S1.1). The suitable for tube outside diameters from 6.4 mm (0.250 in.) to
requirements covered herein are outlined as follows: 73.0 mm (2.875 in.).
S1.3 Testing Requirements
S1.4 Quality Assurance Requirements
S1.1.3.3 Other pipe or tube sizes, with supporting data, may
S1.5 Product Marking Requirements be submitted to the purchaser for evaluation and approval.
S1.1.2 Cadmium plating shall not be used on MAFs in- S1.1.4 The following supplementary tests listed herein are
tended for use on U.S. Navy vessels. as follows:

10