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ASTM A508/A508M-04a

Historical Revision

Standard Specification for Quenched and Tempered Vacuum-Treated Carbon and Alloy Steel Forgings for Pressure Vessels

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1.1 This specification covers quenched and tempered vacuum treated carbon and alloy steel forgings for pressure vessels such as those used in reactor systems. Specifically, it covers forgings for vessel closures, shells, flanges, tube sheets, rings, heads, and similar parts.

1.2 All grades are considered weldable under proper conditions. Welding technique is of fundamental importance, and it is presupposed that welding procedure and inspection will be in accordance with approved methods for the grade of material used.

1.3 The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standards. Within the text and the tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.

1.4 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.

Note 1—Grades 1 and 1A are composed of different chemistries but have the same mechanical requirements.

SDO ASTM: ASTM International
Document Number A508
Publication Date April 1, 2004
Language en - English
Page Count 8
Revision Level 04a
Supercedes
Committee A01.06
Publish Date Document Id Type View
Nov. 1, 2023 A0508_A0508M-23A Revision
Sept. 1, 2023 A0508_A0508M-23 Revision
March 1, 2018 A0508_A0508M-18 Revision
May 1, 2017 A0508_A0508M-17 Revision
May 1, 2016 A0508_A0508M-16 Revision
May 1, 2014 A0508_A0508M-14 Revision
Oct. 1, 2005 A0508_A0508M-05B Revision
Sept. 1, 2005 A0508_A0508M-05A Revision
Jan. 1, 2005 A0508_A0508M-05E01 Revision
Jan. 1, 2005 A0508_A0508M-05 Revision
July 1, 2004 A0508_A0508M-04B Revision
April 1, 2004 A0508_A0508M-04A Revision
Feb. 10, 2004 A0508_A0508M-04 Revision
April 10, 2003 A0508_A0508M-03 Revision
March 15, 2023 A0508_A0508M-18R23 Reaffirmation
April 1, 2010 A0508_A0508M-05BR10 Reaffirmation
Sept. 10, 1999 A0508_A0508M-95R99 Reaffirmation