ASTM B130-19

Standard Specification for Commercial Bronze Strip for Bullet Jackets

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STANDARD published on 1.4.2019

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The information about the standard:

Designation standards: ASTM B130-19
Publication date standards: 1.4.2019
SKU: NS-946431
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Copper products

Annotation of standard text ASTM B130-19 :

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.

Keywords:
ammunition components, bronze, bullet jackets, strip, UNS No. C22000,, ICS Number Code 77.150.30 (Copper products)

Additional information

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 Calculated Value

Chemical composition Hardness	nearest unit in the last right-hand significant digit used in expressing the limiting value.
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 %

1. 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. C22000.1.2 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

E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E112-13(2021)	Standard Test Methods for Determining Average Grain Size
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
B601-18a	Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).
B248/B248M	Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E18-22	Standard Test Methods for Rockwell Hardness of Metallic Materials
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
E3-11(2017)	Standard Guide for Preparation of Metallographic Specimens

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