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Homepage>ASTM Standards>ASTM B0021_B0021M-20 - Standard Specification for Naval Brass Rod, Bar, and Shapes
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Released: 2020-04-10

ASTM B0021_B0021M-20

Standard Specification for Naval Brass Rod, Bar, and Shapes

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Standards number:ASTM B0021_B0021M-20
Standard number:B0021_B0021M-20
Keywords:naval brass; naval brass bar; naval brass rod; piston-finish rod; shafting; shapes; UNS No. C46200; UNS No. C46400; UNS No. C46750; UNS No. C47940; UNS No. C48200; UNS No. C48500; UNS No. C48640; UNS No. C48645;

1.1 This specification establishes the requirements for naval brass rod, bar, and shapes produced from Copper Alloy UNS Nos. C46200, C46400, C46750, C47940, C48200, C48500, C48640, or C48645.

1.1.1 For piston-finish rod or shafting refer to the Other Requirements Section.

1.1.2 For hot forging material, refer to Specification B124/B124M.

1.2 Units—The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other and values from the two systems shall not be combined.

1.3 Warning—Mercury is a definite health hazard in use and disposal (see Performance Requirements).

1.4 This 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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This 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.