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ASTM B413-97a(2021)

Standard Specification for Refined Silver

1.1This specification covers refined silver cast bar2 form in three grades as follows:

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

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

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

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

1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards, including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


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