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ASTM A181/A181M-01

Historical Revision

Standard Specification for Carbon Steel Forgings, for General-Purpose Piping

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1.1 This specification covers nonstandard as-forged fittings, valve components, and parts for general service. Forgings made to this specification are limited to a maximum weight of 10 000 lb [4540 kg]. Larger forgings may be ordered to Specification A266/A266M.

1.2 Two grades of material are covered, designated as Classes 60 and 70, respectively, and are classified in accordance with their chemical composition and mechanical properties as specified in 5.1 and 6.1.

1.3 Class 60 was formerly designated Grade I and Class 70 was formerly designated Grade II.

1.4 This specification is expressed in both inch-pound units and SI units. However, unless the order specifies the applicable "M" specification designation (SI units), the material shall be furnished to inch-pound units.

1.5 The values stated in either inch-pound units or SI units are to be regarded 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.


SDO ASTM: ASTM International
Document Number A181
Publication Date March 10, 2001
Language en - English
Page Count 3
Revision Level 01
Supercedes
Committee A01.22
Publish Date Document Id Type View
May 1, 2023 A0181_A0181M-23 Revision
May 1, 2022 A0181_A0181M-22 Revision
Oct. 1, 2014 A0181_A0181M-14 Revision
Oct. 1, 2013 A0181_A0181M-13 Revision
May 1, 2012 A0181_A0181M-12 Revision
Sept. 1, 2006 A0181_A0181M-06 Revision
March 10, 2001 A0181_A0181M-01 Revision
March 10, 2001 A0181_A0181M-00 Revision
Nov. 1, 2020 A0181_A0181M-14R20 Reaffirmation
Oct. 1, 2011 A0181_A0181M-06R11 Reaffirmation