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ASTM B974/B974M-16(2021)

Historical Reaffirmation

Standard Specification for Free-Cutting Bismuth Brass Rod, Bar and Wire

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1.1 This specification establishes the requirements for free-cutting bismuth brass rod, bar and wire of UNS Alloy No. C49250, C49260, C49265, C49340, and C49345 suitable for high-speed screw machine work, or for general applications.

1.2 Typically, product made to this specification is furnished as straight lengths, or coils when requested.

1.3 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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.

1.4 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.


This specification establishes the requirements for free-cutting a bismuth brass rod, bar and wire of UNS Alloy No.C49250 and C49260 suitable for high-speed screw machine work or for general applications. Typically, products made to this specification are furnished as straight lengths or coils when requested. The material shall conform to the chemical composition requirements, tensile strength requirements, and elongation requirements stated in this specification.

SDO ASTM: ASTM International
Document Number B974
Publication Date Jan. 1, 2021
Language en - English
Page Count 5
Revision Level 16(2021)
Supercedes
Committee B05.02
Publish Date Document Id Type View
Oct. 1, 2016 B0974_B0974M-16 Revision
Oct. 1, 2012 B0974_B0974M-12A Revision
April 1, 2012 B0974_B0974M-12 Revision
Oct. 1, 2010 B0974_B0974M-10 Revision
Jan. 1, 2021 B0974_B0974M-16R21 Reaffirmation