Designation: A217/A217M 12 Endorsed by Manufacturers Standardization Society

of the Valve and Fittings Industry

Endorsed by American Foundrymens Society
Used in USDOE-NE Standards

Standard Specification for

Steel Castings, Martensitic Stainless and Alloy, for
Pressure-Containing Parts, Suitable for High-Temperature
Service1
This standard is issued under the fixed designation A217/A217M; 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 Department of Defense.

1. Scope* system shall be used independently of the other. Combining

2
1.1 This specification covers martensitic stainless steel and values from the two systems may result in non-conformance
alloy steel castings for valves, flanges, fittings, and other with the standard.
pressure-containing parts (Note 1) intended primarily for
2. Referenced Documents
high-temperature and corrosive service (Note 2).
2.1 ASTM Standards:3
1.2 One grade of martensitic stainless steel and nine grades
A216/A216M Specification for Steel Castings, Carbon, Suit-
of ferritic alloy steel are covered. Selection will depend on
able for Fusion Welding, for High-Temperature Service
design and service conditions, mechanical properties, and the
A352/A352M Specification for Steel Castings, Ferritic and
high-temperature and corrosion-resistant characteristics (Note
Martensitic, for Pressure-Containing Parts, Suitable for
3).
Low-Temperature Service
NOTE 1Carbon steel castings for pressure-containing parts are cov- A487/A487M Specification for Steel Castings Suitable for
ered by Specification A216/A216M. Low alloy quench-and-tempered Pressure Service
grades equivalent to Specification A217/A217M grades may be found in
both Specifications A352/A352M and A487/A487M.
A488/A488M Practice for Steel Castings, Welding, Qualifi-
NOTE 2The grades covered by this specification represent materials cations of Procedures and Personnel
that are generally suitable for assembly with other castings or wrought A703/A703M Specification for Steel Castings, General
steel parts by fusion welding. It is not intended to imply that these grades Requirements, for Pressure-Containing Parts
possess equal degrees of weldability; therefore, it is the responsibility of A802/A802M Practice for Steel Castings, Surface Accep-
the purchaser to establish for himself a suitable welding technique. Since
these grades possess varying degrees of suitability for high-temperature tance Standards, Visual Examination
and corrosion-resistant service, it is also the responsibility of the purchaser A985/A985M Specification for Steel Investment Castings
to determine which grade shall be furnished, due consideration being General Requirements, for Pressure-Containing Parts
given to the requirements of the applicable construction codes. E165 Practice for Liquid Penetrant Examination for General
NOTE 3The committee formulating this specification has included Industry
nine grades of materials that are considered to represent basic types of
ferritic alloy steels suitable for valves, flanges, fittings, and other pressure- E709 Guide for Magnetic Particle Testing
containing parts. Additional alloy steels that may better fulfill certain types 2.2 AWS Specifications:4
of service will be considered for inclusion in this specification by the A5.5/A5.5M Low Alloy Steel Electrodes for Shielded Metal
committee as the need becomes apparent.
Arc Welding
1.3 The values stated in either SI units or inch-pound units A5.23/A5.23M Low-Alloy Steel Electrodes and Fluxes for
are to be regarded separately as standard. The values stated in Submerged Arc Welding
each system may not be exact equivalents; therefore, each A5.28/A5.28M Low Alloy Steel Electrodes and Rods for
Gas Shielded Arc Welding
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
3
A01.18 on Castings. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Nov. 1, 2012. Published November 2012. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1939. Last previous edition approved in 2011 as A217/A217M 11. Standards volume information, refer to the standards Document Summary page on
DOI: 10.1520/A0217_A0217M-12. the ASTM website.
2 4
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Available from American Welding Society, 550 NW LeJuene Rd., Miami, FL
cation SA-217/SA 217M in Section II of that code. 33126, http://www.aws.org.

*A Summary of Changes section appears at the end of this standard

Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
Copyright by ASTM Int'l (all rights reserved); Wed Oct 23 15:16:49 EDT 2013
1
Downloaded/printed by
Pontificia Universidad Catolica del Peru pursuant to License Agreement. No further reproductions authorized.
 A217/A217M 12
A5.29/A5.29M Low-Alloy Steel Electrodes for Flux Cored 4.1.1 A description of the casting by pattern number or
Arc Welding drawing (dimensional tolerances shall be included on the
casting drawing),
3. General Conditions for Delivery 4.1.2 Grade of steel,
3.1 Except for investment castings, castings furnished to 4.1.3 Options in the specification,
this specification shall conform to the requirements of Speci- 4.1.4 Whether the castings are to be produced using the
fication A703/A703M including any supplementary require- investment casting process, and
ments that are indicated in the purchase order. Failure to
comply with the general requirements of Specification A703/ 4.1.5 The supplementary requirements desired including the
A703M constitutes nonconformance with this specification. In standards of acceptance.
case of conflict between the requirements of this specification
and Specification A703/A703M, this specification shall pre- 5. Heat Treatment
vail. 5.1 All castings shall receive a heat treatment proper to their
3.2 Steel investment castings furnished to this specification design and chemical composition.
shall conform to the requirements of Specification A985/
5.2 Castings shall be furnished in the normalized and
A985M, including any supplementary requirements that are
tempered conditions; Grades WC1, WC4, WC5, WC6, and
indicated in the purchase order. Failure to comply with the
CA15 shall be tempered at 1100F [595C] min; Grades WC9,
general requirements of Specification A985/A985M consti-
tutes nonconformance with this specification. In case of con- C5, C12, and WC11 shall be tempered at 1250F [675C] min;
flict between the requirements of this specification and Speci- Grade C12A shall be thermally treated, either by normalizing-
fication A985/A985M, Specification A985/A985M shall and-tempering or by accelerated cooling from the austenitizing
prevail. temperature by air blasting or liquid quenching, followed by
tempering. C12A castings shall be austenitized at 1900-1975F
4. Ordering Information [1040-1080C] and tempered at 1350-1470F [730-800C].
4.1 The inquiry and order should include or indicate the 5.3 Heat treatment shall be performed after castings have
following: been allowed to cool below the transformation range.

TABLE 1 Chemical RequirementsA

NOTE 1All values are maximum unless otherwise indicated.

Composition, %
Nickel Nickel
Carbon Chromium Chromium Chromium Chromium Chromium Chromium
Chromium Chromium
Molybde- Molybde- Molybde- Molybde- Molybde- Molybde- Molybdenum Chromium
Molybde- Molybde-
num num num num num num Vanadium
num num
Grade Identifica-
WC1 WC4 WC5 WC6 WC9 WC11 C5 C12 C12A CA15
tion Symbol
UNS Number J12524 J12082 J22000 J12072 J21890 J11872 J42045 J82090 J84090 J91150
Carbon 0.25 0.050.20 0.050.20 0.050.20 0.050.18 0.150.21 0.20 0.20 0.08-0.12 0.15
Manganese 0.500.80 0.500.80 0.400.70 0.500.80 0.400.70 0.500.80 0.400.70 0.350.65 0.300.60 1.00
Phosphorus 0.04 0.04 0.04 0.035 0.035 0.020 0.04 0.035 0.025 0.040
Sulfur 0.045 0.045 0.045 0.035 0.035 0.015 0.045 0.035 0.010 0.025
Silicon 0.60 0.60 0.60 0.60 0.60 0.300.60 0.75 1.00 0.200.50 1.50
Nickel ... 0.701.10 0.601.00 ... ... ... ... ... 0.40 1.00
Chromium ... 0.500.80 0.500.90 1.001.50 2.002.75 1.001.50 4.006.50 8.0010.00 8.09.5 11.514.0
Molybdenum 0.450.65 0.450.65 0.901.20 0.450.65 0.901.20 0.450.65 0.450.65 0.901.20 0.851.05 0.50
Columbium ... ... ... ... ... ... ... 0.03 0.0600.10 ...
Nitrogen ... ... ... ... ... ... ... ... 0.0300.070 ...
Vanadium ... ... ... ... ... ... ... 0.06 0.180.25 ...
Specified Residual Elements
Aluminum ... ... ... ... ... 0.01 ... ... 0.02 ...
Copper 0.50 0.50 0.50 0.50 0.50 0.35 0.50 0.50 ... ...
Nickel 0.50 ... ... 0.50 0.50 0.50 0.50 0.50 ... ...
Chromium 0.35 ... ... ... ... ... ... ... ... ...
Titanium ... ... ... ... ... ... ... ... 0.01 ...
Tungsten 0.10 0.10 0.10 0.10 0.10 ... 0.10 0.10 ... ...
Vanadium ... ... ... ... ... 0.03 ... ... ... ...
Zirconium ... ... ... ... ... ... ... ... 0.01 ...
Total content of 1.00 0.60 0.60 1.00 1.00 1.00 1.00 1.00
these residual
elements
A
Where ellipses ({) appear in this table, there is no requirement, and the element need not be analyzed for or reported.

Copyright by ASTM Int'l (all rights reserved); Wed Oct 23 15:16:49 EDT 2013
2
Downloaded/printed by
Pontificia Universidad Catolica del Peru pursuant to License Agreement. No further reproductions authorized.
 A217/A217M 12
6. Chemical Composition TABLE 3 Minimum Preheat Temperatures
Minimum
6.1 The steel shall be in accordance with the requirements Preheat
as to chemical composition prescribed in Table 1 (Note 4). Grade Thickness, in. [mm]
Temperature,
F [C]
NOTE 4The role of alloying elements in the development of Grade
WC1 and under
5 8 50 [10]
C12A has been extensively investigated. V and Cb contribute to precipi- Over 58 [15.9] 250 [120]
tation strengthening by forming fine and coherent precipitation of M(C, WC4 All 300 [150]
N)X carbo-nitrides in the ferrite matrix. V also precipitates as VN during WC5 All 300 [150]
tempering or during creep. The two elements are more effective in WC6 All 300 [150]
combination. Therefore, the addition of strong nitride-forming elements, WC9 All 400 [200]
those with a stronger affinity for nitrogen than Cb and V, as deoxidation WC11 All 300 [150]
agents, interferes with these high-temperature strengthening mechanisms.5 C5 All 400 [200]
C12 All 400 [200]
7. Mechanical Properties C12A All 400 [200]
CA15 All 400 [200]
7.1 Steel used for the castings shall conform to the require-
ments as to tensile properties given in Table 2.
7.2 C12A castings shall be hardness tested in accordance Castings producing a signal equal to or greater than the lowest
with Supplementary Requirement S13, and shall have a Brinell signal produced by the referenced discontinuities shall be
hardness of 185-248 HBW. identified and separated from the acceptable castings. The area
producing the signal may be re-examined. Such castings shall
8. Quality be rejected if the test signals were produced by imperfections
8.1 The surface of the casting shall be examined visually that cannot be identified or were produced by cracks or
and shall be free of adhering sand, scale, cracks, and hot tears. crack-like imperfections. Such castings may be repaired. To be
Other surface discontinuities shall meet the visual acceptance accepted, a repaired casting shall pass the ultrasonic examina-
standards specified in the order. Practice A802/A802M or other tion and shall meet the minimum wall thickness requirements
visual standards may be used to define acceptable surface of the purchase order.
discontinuities and finish. Unacceptable visual surface discon- 8.3 When additional inspection is desired, Supplementary
tinuities shall be removed and their removal verified by visual Requirements S4, S5, and S10 may be ordered.
examination of the resultant cavities. When methods involving
high temperature are used in the removal of discontinuities, 8.4 The castings shall not be peened, plugged, or impreg-
castings shall be preheated to at least the minimum tempera- nated to stop leaks.
tures in Table 3.
9. Repair by Welding
8.2 Hollow castings of Grade C12A, larger than NPS 4 [DN
9.1 Repairs shall be made using procedures and welders
100], and whose internal surfaces are not accessible to the
qualified under Practice A488/A488M.
visual examination in 8.1, shall be examined by the ultrasonic
examination prescribed in Supplementary Requirement S7. 9.2 All repair welds in C12A castings shall be made with
one of the following welding processes and consumables:
SMAW, A5.5/A5.5M E90XX-B9; SAW, A5.23/A5.23M EB9 +
5
Viswanathan, R. and Bakker, W. T., Materials for Ultra Supercritical Fossil Neutral Flux; GTAW, A5.28/A5.28M ER90S-B9, and FCAW,
Power Plants, EPRI, Palo Alto, CA, 2000. TR-114750.
A5.29/A5.29M E91T1-B9. In addition, the sum of the Ni+Mn
content, in all welding consumables used to weld repair C12A
TABLE 2 Tensile RequirementsA
castings, shall not exceed 1.0%. Weld repaired Grade C12A
castings shall be post-weld heat treated at 1350-1470F [730-
Elonga- Reduc-
Tensile Yield tion in tion of 800C].
Strength, Strength,B
Grade 2 in. Area,
ksi min, ksi
[50 mm] min, %
9.3 Weld repairs shall be inspected to the same quality
[MPa] [MPa]
min, %C standards that are used to inspect the castings. When castings
WC1 65 [450] to 90 35 [240] 24 35 are produced with Supplementary Requirement S4 specified,
[620] weld repairs shall be inspected by magnetic particle examina-
WC4, WC5, WC6, 70 [485] to 95 40 [275] 20 35
WC9 [655]
tion to the same standards that are used to inspect the castings.
WC11 80 [550] to 105 50 [345] 18 45 When castings are produced with Supplementary Requirement
[725] S5 specified, weld repairs on castings that have leaked on
C5, C12 90 [620] to 115 60 [415] 18 35
[795]
hydrostatic test, or on castings in which the depth of any cavity
C12A 85 [585] to 110 60 [415] 18 45 prepared for repair welding exceeds 20 % of the wall thickness
[760] or 1 in. [25 mm], whichever is smaller, or on castings in which
CA15 90 [620] to 115 65 [450] 18 30
[795] any cavity prepared for welding is greater than approximately
A
Where ellipses ({) appear in this table, there is no requirement.
10 in.2 [65 cm2], shall be radiographed to the same standards
B
Determine by either 0.2 % offset method or 0.5 % extension-under-load method. that are used to inspect the castings.
C
When ICI test bars are used in tensile testing as provided for in Specification
A703/A703M, the gage length to reduced section diameter ratio shall be 4 to 1. 9.4 Weld repairs shall be considered major in the case of a
casting that has leaked on hydrostatic test, or when the depth of

Copyright by ASTM Int'l (all rights reserved); Wed Oct 23 15:16:49 EDT 2013
3
Downloaded/printed by
Pontificia Universidad Catolica del Peru pursuant to License Agreement. No further reproductions authorized.
 A217/A217M 12
the cavity prepared for welding exceeds 20 % of the wall qualified procedure used. Major repairs shall be inspected to
thickness or 1 in. [25 mm], whichever is smaller, or when the the same quality standards that are used to inspect the castings.
extent of the cavity exceeds approximately 10 in.2 [65 cm2].
All castings with major repair welds shall be thermally stress 10. Keywords
relieved or completely reheat-treated. This mandatory stress 10.1 alloy steel; high temperature; martensitic stainless
relief or reheat-treatment shall be in accordance with the steel; pressure containing; steel castings

SUPPLEMENTARY REQUIREMENTS

The following supplementary requirements shall not apply unless specified in the purchase order.
Lists of standardized supplementary requirements for use at the option of the purchaser are included
in Specifications A703/A703M and A985/A985M. Those which are ordinarily considered suitable for
use with this specification are given below. Others enumerated in Specifications A703/A703M and
A985/A985M may be used with this specification upon agreement between the manufacturer and
purchaser.

S1. Unspecified Elements

S2. Destruction Tests
S3. Bend Tests
S4. Magnetic Particle Inspection
S5. Radiographic Inspection
S7. Ultrasonic Inspection
S10. Examination of Weld Preparation
S13. Hardness Test
S21. Heat Treatment Furnace Record
S22. Heat Treatment
S51. Mandatory Postweld Heat Treatment
S51.1 All castings with repair welds shall receive a manda-
tory thermal stress relief or complete reheat treatment in
accordance with the qualified procedure after all weld repairs.

SUMMARY OF CHANGES

Committee A01 has identified the location of selected changes to this standard since the last issue
(A217/A217M 11) that may impact the use of this standard. (Approved Nov. 1, 2012.)

(1) Table 1 has been revised to reduce the maximum Phospho- (2) S10 has been revised to delete S10.1.
rus and Sulfur contents of Grades WC6, WC9, C12, C12A, and
CA15.

Copyright by ASTM Int'l (all rights reserved); Wed Oct 23 15:16:49 EDT 2013
4
Downloaded/printed by
Pontificia Universidad Catolica del Peru pursuant to License Agreement. No further reproductions authorized.
 A217/A217M 12
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned
in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk
of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and
if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards
and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the
responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should
make your views known to the ASTM Committee on Standards, at the address shown below.

This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,
United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above
address or at 610-832-9585 (phone), 610-832-9555 (fax), or service@astm.org (e-mail); or through the ASTM website
(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/
COPYRIGHT/).

Copyright by ASTM Int'l (all rights reserved); Wed Oct 23 15:16:49 EDT 2013
5
Downloaded/printed by
Pontificia Universidad Catolica del Peru pursuant to License Agreement. No further reproductions authorized.