ASTM-B967 Standard Specification for Copper-Zinc-Tin-Bismuth Alloy Rod, Bar and Wire

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Standard Specification for Copper-Zinc-Tin-Bismuth Alloy Rod, Bar and Wire



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1.1 This specification establishes the requirements for copper-zinc-tin-bismuth alloy rod, bar and wire of alloy UNS No. C49300 intended for use in plumbing applications and drinking water systems.

1.2 Typically, rod and bar product made to this specification is furnished as straight lengths. Wire (H04) 0.08-0.3 in. [2-8 mm inclusive] is furnished in coil form.

1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification.

1.3.1 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 and health practices and determine the applicability of regulatory limitations prior to use.

1.4 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.5 A Japanese patent application has been submitted for UNS Alloy C49300. A patent application is being prepared for review by the U.S. Patent Office. An international patent application has been submitted to PCT (Patent Cooperation Treaty). Alternative materials will be included in this document when they become available.


wrought copper alloys; copper-zinc-tin-bismuth alloy; UNS C49300; round rod; hexagonal rod; bar; wire; drinking water; plumbing; ICS Number Code 77.150.30 (Copper products)

To find similar documents by ASTM Volume:

02.01 (Copper and Copper Alloys)

To find similar documents by classification:

77.150.30 (Copper products)

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Document Number


Revision Level

2018 R23 EDITION



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Publication Date

May 1, 2023

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Page Count

5 pages

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