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ASTM A957/A957M-06

Historical Revision

Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use

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1.1 This specification covers a group of requirements that are mandatory for castings produced by the investment casting process to meet the metallurgical requirements of the following steel casting specifications issued by ASTM.

1.2 This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.

1.3 When investment castings are ordered, the requirements stated in this specification form an integral part of the material specification. In cases of conflict, the requirements of this specification shall take precedence over the individual material specification requirements.

1.4 The values stated in either inch-pound 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. Inch-pound units are applicable for material ordered to Specification A 957 and SI units for material ordered to Specification A 957M.


SDO ASTM: ASTM International
Document Number A957
Publication Date June 15, 2006
Language en - English
Page Count 8
Revision Level 06
Supercedes
Committee A01.18
Publish Date Document Id Type View
May 1, 2021 A0957_A0957M-21 Revision
July 1, 2020 A0957_A0957M-20 Revision
Sept. 1, 2018 A0957_A0957M-18A Revision
May 15, 2018 A0957_A0957M-18 Revision
Nov. 1, 2015 A0957_A0957M-15A Revision
March 1, 2015 A0957_A0957M-15 Revision
Oct. 1, 2014 A0957_A0957M-14 Revision
May 1, 2013 A0957_A0957M-13 Revision
Sept. 1, 2012 A0957_A0957M-12A Revision
May 1, 2012 A0957_A0957M-12 Revision
Oct. 1, 2011 A0957_A0957M-11A Revision
May 1, 2011 A0957_A0957M-11 Revision
May 1, 2009 A0957_A0957M-09A Revision
Jan. 1, 2009 A0957_A0957M-09 Revision
March 1, 2008 A0957_A0957M-08 Revision
June 15, 2006 A0957_A0957M-06 Revision