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ASTM B413-97a

Current Revision

Standard Specification for Refined Silver

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1.1 This specification covers refined silver in cast bar form in three grades as follows:

1.1.1 Grade 99.90 (UNS P07020)-Silver having a minimum fineness of 999.0 commonly referred to as "commercial bar" or "bullion."

1.1.2 Grade 99.95 (UNS P07015)-Silver having a minimum fineness of 999.5.

1.1.3 Grade 99.99 (UNS P07010)-A premium grade having a minimum fineness of 999.9.

1.2 The values stated in inch-pound units are to be regarded as the standard.


SDO ASTM: ASTM International
Document Number B413
Publication Date April 10, 1997
Language en - English
Page Count 2
Revision Level 97a
Supercedes
Committee B02.05
Publish Date Document Id Type View
April 10, 1997 B0413-97A Revision
Nov. 1, 2021 B0413-97AR21 Reaffirmation
April 1, 2017 B0413-97AR17 Reaffirmation
Nov. 1, 2012 B0413-97AR12 Reaffirmation
May 1, 2008 B0413-97AR08 Reaffirmation
Nov. 1, 2003 B0413-97AR03 Reaffirmation