AISC 13th - Material Grades

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GRBT055-A AISC-Sample (LRFD) June 17, 2005 16:1 Char Count= 0
Sect. A3.] MATERIAL 5
F1554-99 Standard Specification for Anchor Bolts, Steel, 36, 55, and 105 ksi Yield
Strength
User Note: ASTM F1554 is the most commonly referenced specification for
anchor rods. Grade and weldability must be specified.
F1852-04 Standard Specification for “Twist-Off” Type Tension Control Structural

Bolt/Nut/Washer Assemblies, Steel, Heat Treated, 120/105 ksi Minimum Tensile
Strength
American Welding Society (AWS)
AWS D1.1/D1.1M-2004 Structural Welding Code–Steel
AWS A5.1-2004 Specification for Carbon Steel Electrodes for Shielded Metal Arc
Welding
AWS A5.5-96 Specification for Low-Alloy Steel Electrodes for Shielded Metal
Arc Welding
AWS A5.17/A5.17M-97 Specification for Carbon Steel Electrodes and Fluxes for
Submerged Arc Welding
AWS A5.18:2001 Specification for Carbon Steel Electrodes and Rods for Gas
Shielded Arc Welding
AWS A5.20-95 Specification for Carbon Steel Electrodes for Flux Cored Arc
Welding
AWS A5.23/A5.23M-97 Specification for Low-Alloy Steel Electrodes and Fluxes
for Submerged Arc Welding
AWS A5.25/A5.25M-97 Specification for Carbon and Low-Alloy Steel Electrodes
and Fluxes for Electroslag Welding
AWS A5.26/A5.26M-97 Specification for Carbon and Low-Alloy Steel Electrodes
for Electrogas Welding
AWS A5.28-96 Specification for Low-Alloy Steel Electrodes and Rods for Gas
Shielded Arc Welding
AWS A5.29:1998 Specification for Low-Alloy Steel Electrodes for Flux Cored
Arc Welding
Research Council on Structural Connections (RCSC)

Specification for Structural Joints Using ASTM A325 or A490 Bolts, 2004
A3. MATERIAL
1. Structural Steel Materials
Material test reports or reports of tests made by the fabricator or a testing laboratory
shall constitute sufficient evidence of conformity with one of the above listed
ASTM standards. For hot-rolled structural shapes, plates, and bars, such tests shall
be made in accordance with ASTM A6/A6M; for sheets, such tests shall be made
in accordance with ASTM A568/A568M; for tubing and pipe, such tests shall
be made in accordance with the requirements of the applicable ASTM standards
listed above for those product forms. If requested, the fabricator shall provide an
Specification for Structural Steel Buildings, March 9, 2005
AMERICAN INSTITUTE OF STEEL CONSTRUCTION, INC.
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6 MATERIAL [Sect. A3.
affidavit stating that the structural steel furnished meets the requirements of the
grade specified.
1a. ASTM Designations
Structural steel material conforming to one of the following ASTM specifications
is approved for use under this Specification:
(1) Hot-rolled structural shapes
ASTM A36/A36M
ASTM A529/A529M
ASTM A572/A572M
ASTM A588/A588M
ASTM A709/A709M
ASTM A913/A913M
ASTM A992/ A992M
(2) Structural tubing
ASTM A500
ASTM A501
ASTM A618
ASTM A847
(3) Pipe
ASTM A53/A53M, Gr. B
(4) Plates
ASTM A36/A36M
ASTM A242/A242M
ASTM A283/A283M
ASTM A514/A514M
ASTM A529/A529M
ASTM A572/A572M
ASTM A588/A588M
ASTM A709/A709M
ASTM A852/A852M
ASTM A1011/A1011M
(5) Bars
ASTM A36/A36M
ASTM A529/A529M
ASTM A572/A572M
ASTM A709/A709M
(6) Sheets
ASTM A606
A1011/A1011M SS, HSLAS, AND HSLAS-F
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Sect. A3.] MATERIAL 7
1b. Unidentified Steel

Unidentified steel free of injurious defects is permitted to be used for unimportant
members or details, where the precise physical properties and weldability of the
steel would not affect the strength of the structure.
1c. Rolled Heavy Shapes
ASTM A6/A6M hot-rolled shapes with a flange thickness exceeding 2 in. (50 mm),
used as members subject to primary (computed) tensile forces due to tension
or flexure and spliced using complete-joint-penetration groove welds that fuse
through the thickness of the member, shall be specified as follows. The contract
documents shall require that such shapes be supplied with Charpy V-Notch (CVN)
impact test results in accordance with ASTM A6/A6M, Supplementary Require-
ment S30, Charpy V-Notch Impact Test for Structural Shapes – Alternate Core
Location. The impact test shall meet a minimum average value of 20 ft-lbs (27 J)
absorbed energy at +70 ◦ F (+21 ◦ C).
The above requirements do not apply if the splices and connections are made by
bolting. The above requirements do not apply to hot-rolled shapes with a flange
thickness exceeding 2 in. (50 mm) that have shapes with flange or web elements
less than 2 in. (50 mm) thick welded with complete-joint-penetration groove welds
to the face of the shapes with thicker elements.
User Note: Additional requirements for joints in heavy rolled members are
given in Sections J1.5, J1.6, J2.7, and M2.2.
1d. Built-Up Heavy Shapes

Built-up cross-sections consisting of plates with a thickness exceeding 2 in.
(50 mm), used as members subject to primary (computed) tensile forces due to
tension or flexure and spliced or connected to other members using complete-joint-
penetration groove welds that fuse through the thickness of the plates, shall be
specified as follows. The contract documents shall require that the steel be supplied
with Charpy V-Notch impact test results in accordance with ASTM A6/A6M, Sup-
plementary Requirement S5, Charpy V-Notch Impact Test. The impact test shall be
conducted in accordance with ASTM A673/A673M, Frequency P, and shall meet
a minimum average value of 20 ft-lbs (27 J) absorbed energy at +70 ◦ F (+21 ◦ C).
The above requirements also apply to built-up cross-sections consisting of plates
exceeding 2 in. (50 mm) that are welded with complete-joint-penetration groove
welds to the face of other sections.
User Note: Additional requirements for joints in heavy built-up members are
given in Sections J1.5, J1.6, J2.7, and M2.2.
2. Steel Castings and Forgings
Cast steel shall conform to ASTM A216/A216M, Gr. WCB with Supplementary
Requirement S11. Steel forgings shall conform to ASTM A668/A668M. Test
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8 MATERIAL [Sect. A3.
reports produced in accordance with the above reference standards shall constitute
sufficient evidence of conformity with such standards.
3. Bolts, Washers and Nuts
Bolt, washer, and nut material conforming to one of the following ASTM speci-
fications is approved for use under this Specification:
(1) Bolts:
ASTM A307
ASTM A325
ASTM A325M
ASTM A449
ASTM A490
ASTM A490M
ASTM F1852
(2) Nuts:
ASTM A194/A194M
ASTM A563
ASTM A563M
(3) Washers:
ASTM F436
ASTM F436M
(4) Compressible-Washer-Type Direct Tension Indicators:

ASTM F959
ASTM F959M
Manufacturer’s certification shall constitute sufficient evidence of conformity with

the standards.
4. Anchor Rods and Threaded Rods
Anchor rod and threaded rod material conforming to one of the following ASTM
specifications is approved for use under this Specification:
ASTM A36/A36M
ASTM A193/A193M
ASTM A354
ASTM A449
ASTM A572/A572M
ASTM A588/A588M
ASTM F1554
User Note: ASTM F1554 is the preferred material specification for anchor
rods.

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Sect. A4.] STRUCTURAL DESIGN DRAWINGS AND SPECIFICATIONS 9
A449 material is acceptable for high-strength anchor rods and threaded rods of
any diameter.
Threads on anchor rods and threaded rods shall conform to the Unified Standard
Series of ASME B18.2.6 and shall have Class 2A tolerances.
the standards.
5. Filler Metal and Flux for Welding
Filler metals and fluxes shall conform to one of the following specifications of
the American Welding Society:
AWS A5.1
AWS A5.5
AWS A5.17/A5.17M
AWS A5.18
AWS A5.20
AWS A5.23/A5.23M
AWS A5.25/A5.25M
AWS A5.26/A5.26M
AWS A5.28
AWS A5.29
AWS A5.32/A5.32M

the standards. Filler metals and fluxes that are suitable for the intended application
shall be selected.
6. Stud Shear Connectors
Steel stud shear connectors shall conform to the requirements of Structural Weld-
ing Code–Steel, AWS D1.1.
User Note: Studs are made from cold drawn bar, either semi-killed or killed alu-
minum or silicon deoxidized, conforming to the requirements of ASTM A29/
A29M-04, Standard Specification for Steel Bars, Carbon and Alloy, Hot-
Wrought, General Requirements for.

AWS D1.1.
A4. STRUCTURAL DESIGN DRAWINGS AND SPECIFICATIONS

The design drawings and specifications shall meet the requirements in the Code of
Standard Practice for Steel Buildings and Bridges, except for deviations specifi-
cally identified in the design drawings and/or specifications.


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GRBT055-A AISC-Sample (LRFD) June 17, 2005 16:1 Char Count= 0

Sect. A3.] MATERIAL 5

F1852-04 Standard Specification for “Twist-Off” Type Tension Control Structural

Research Council on Structural Connections (RCSC)

6 MATERIAL [Sect. A3.

Sect. A3.] MATERIAL 7

1b. Unidentified Steel

1d. Built-Up Heavy Shapes

8 MATERIAL [Sect. A3.

(4) Compressible-Washer-Type Direct Tension Indicators:

Manufacturer’s certification shall constitute sufficient evidence of conformity with

Specification for Structural Steel Buildings, March 9, 2005

Sect. A4.] STRUCTURAL DESIGN DRAWINGS AND SPECIFICATIONS 9

Manufacturer’s certification shall constitute sufficient evidence of conformity with

Manufacturer’s certification shall constitute sufficient evidence of conformity with

A4. STRUCTURAL DESIGN DRAWINGS AND SPECIFICATIONS

Specification for Structural Steel Buildings, March 9, 2005

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