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This specification covers the standard for commercial bronze strip for manufacture of bullet jacket cups and ammunition components from copper alloy UNS No. C22000. The specimens shall be manufactured by such hot working, cold working, and annealing processes to produce a uniform wrought structure. Each specimen shall be subjected to tension test and Rockwell hardness test. In addition to tensile properties for strips, purchaser may also specify grain size. If specimens fail to conform to the prescribed specification, analysis shall be made on a new composite sample.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
17.1 For purposes of determining compliance with the specified property limits for the properties listed in the following table, an observed value of a calculated value shall be rounded as indicated in accordance with the rounding method of Practice :
Rounded Unit for Observed or
nearest unit in the last right-hand
nearest ksi (5 MPa)
Up to 0.055 mm, incl
nearest multiple of 0.005 mm
Over 0.055 to 0.160 mm, incl
nearest 0.01 mm
5 % and over
nearest 1 %
1.1 This specification establishes the requirements for commercial bronze strip for manufacture of bullet jacket cups and ammunition components from Copper Alloy UNS No. C22000.
1.2 Units—The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B846 Terminology for Copper and Copper Alloys
E3 Guide for Preparation of Metallographic Specimens
E8/E8M Test Methods for Tension Testing of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E112 Test Methods for Determining Average Grain Size
E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E478 Test Methods for Chemical Analysis of Copper Alloys
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
ICS Number Code 77.150.30 (Copper products)
UNSPSC Code 30262702(Bronze strip); 46181502(Bullet proof vests)
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ASTM B130-19, Standard Specification for Commercial Bronze Strip for Bullet Jackets, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top