ASTM-B130 › Historical Revision Information
Standard Specification for Commercial Bronze Strip for Bullet Jackets
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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.
Scope
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. C22000.2
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.
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 E29:
| Property | Rounded Unit for Observed or |
|
|
|
| Chemical composition | nearest unit in the last right-hand |
| Tensile strength | nearest ksi (5 MPa) |
| Grain size: |
|
| Up to 0.055 mm, incl | nearest multiple of 0.005 mm |
| Over 0.055 to 0.160 mm, incl | nearest 0.01 mm |
| Elongation: |
|
| 5 % and over | nearest 1 % |
Keywords
ammunition components; bronze; bullet jackets; strip; UNS No. C22000; ICS Number Code 77.150.30 (Copper products)
To find similar documents by ASTM Volume:
02.01 (Copper and Copper Alloys)
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Document Number
ASTM-B130-13
Revision Level
2013 EDITION
Status
Superseded
Modification Type
Revision
Publication Date
April 15, 2013
Document Type
Specification
Page Count
6 pages
Committee Number
B05.01