ASTM B413
Standard Specification for Refined Silver
| Organization: | ASTM |
| Publication Date: | 10 April 1997 |
| Status: | inactive |
| Page Count: | 3 |
| ICS Code (Other non-ferrous metals and their alloys): | 77.120.99 |
scope:
1. Scope
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.
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