ASTM A 521/A521M : 2006 : R2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Steel, Closed-Impression Die Forgings for General Industrial Use
Hardcopy , PDF
11-11-2014
English
01-04-2011
CONTAINED IN VOL. 01.05, 2017 Specifies untreated and heat-treated steel, closed-impression die forgings for general industrial use.
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