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ASTM A455/A455M-12a(2023)

Historical Reaffirmation

Standard Specification for Pressure Vessel Plates, Carbon Steel, High-Strength Manganese

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1.1 This specification2 covers high-tensile strength carbon-manganese steel plates intended for welded pressure vessels.

1.2 This steel is usually made to a semi-killed or capped deoxidation practice; however, at the purchaser's or the steel producer's option, the steel may be made silicon-killed or aluminum-killed.

1.3 The maximum thickness of plates furnished under this specification shall be 3/4 in. [20 mm].

1.4 For plates produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20M apply.

1.5 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 the specification.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


This specification covers high-tensile strength carbon-manganese steel plates intended for welded pressure vessels. Plates are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both. The steel shall conform to the chemical composition requirements. The plates, as represented by the tension test specimens, shall conform to the mechanical property requirements.


SDO ASTM: ASTM International
Document Number A455
Publication Date Nov. 1, 2023
Language en - English
Page Count 3
Revision Level 12a(2023)
Supercedes
Committee A01.11
Publish Date Document Id Type View
Nov. 1, 2012 A0455_A0455M-12A Revision
May 1, 2012 A0455_A0455M-12 Revision
Sept. 10, 2003 A0455_A0455M-03 Revision
Sept. 10, 2001 A0455_A0455M-90R96E01 Revision
Sept. 10, 2001 A0455_A0455M-01 Revision
Nov. 1, 2023 A0455_A0455M-12AR23 Reaffirmation
Nov. 1, 2017 A0455_A0455M-12AR17 Reaffirmation
Nov. 1, 2007 A0455_A0455M-03R07 Reaffirmation
Sept. 10, 2001 A0455_A0455M-90R01 Reaffirmation