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ASTM B639-97

Historical Revision

Standard Specification for Precipitation Hardening Cobalt-Containing Alloys (UNS R30155 and UNS R30816) Rod, Bar, Forgings, and Forging Stock for High-Temperature Service

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1.1 This specification covers hot- and cold-worked precipitation hardenable cobalt-containing alloys (UNS R30155 and UNS R30816) rod, bar, forgings, and forging stock for high-temperature service.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


SDO ASTM: ASTM International
Document Number B639
Publication Date April 10, 1997
Language en - English
Page Count 4
Revision Level 97
Supercedes
Committee B02.07
Publish Date Document Id Type View
Oct. 10, 2002 B0639-02 Revision
April 10, 1997 B0639-97 Revision
Nov. 1, 2018 B0639-02R18 Reaffirmation
Feb. 1, 2013 B0639-02R13 Reaffirmation
March 1, 2008 B0639-02R08 Reaffirmation