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ASTM A913/A913M-01

Historical Revision

Standard Specification for High-Strength Low-Alloy Steel Shapes of Structural Quality, Produced by Quenching and Self-Tempering Process (QST)

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1.1 This specification covers high-strength low-alloy structural steel shapes in Grades 50 [345], 60 [415], 65 [450] and 70 [485], produced by the quenching and self-tempering process (QST). The shapes are intended for riveted, bolted or welded construction of bridges, buildings and other structures.

1.2 The QST process consists of in line heat treatment and cooling rate controls which result in mechanical properties in the finished condition that are equivalent to those attained using heat treating processes which entail reheating after rolling. A description of the QST process is given in Appendix X1.

1.3 Due to the inherent characteristics of the QST process, the shapes shall not be formed and post weld heat treated at temperatures exceeding 1100oF [600oC].

1.4 This specification covers structural shapes Groups 1 to 5 shown in Table A of specification A6/A6M.

1.5 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. See Appendix X3 of Specification A6/A6M for information on weldability.

1.6 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification.


SDO ASTM: ASTM International
Document Number A913
Publication Date Sept. 10, 2001
Language en - English
Page Count 4
Revision Level 01
Supercedes
Committee A01.02
Publish Date Document Id Type View
Sept. 1, 2019 A0913_A0913M-19 Revision
July 1, 2015 A0913_A0913M-15 Revision
May 15, 2014 A0913_A0913M-14A Revision
May 1, 2014 A0913_A0913M-14 Revision
Nov. 1, 2011 A0913_A0913M-11 Revision
Nov. 1, 2007 A0913_A0913M-07 Revision
April 1, 2004 A0913_A0913M-04 Revision
May 10, 2003 A0913_A0913M-03 Revision
Sept. 10, 2001 A0913_A0913M-01 Revision
Sept. 10, 2001 A0913_A0913M-00A Revision