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ASTM B19-20

Standard Specification for Cartridge Brass Sheet, Strip, Plate, Bar, and Disks

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NORMA vydána dne 1.4.2020

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Informace o normě:

Označení normy: ASTM B19-20
Datum vydání normy: 1.4.2020
Kód zboží: NS-992876
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM B19-20 :

This specification establishes the requirements UNS C26000 brass sheets, strips, plates, bars, and disks (blanks) that are used for the manufacture of ammunition parts like cartridge cups and disks. Each product should be manufactured by hot working, cold working, and annealing processes to produce a uniform wrought structure having the temper specified for the finished product. This specification also contains information on the prescribed tensile strength and elongation for a given thickness of annealed and as-hot rolled materials, as well as the required tensile strengths for particular rolled temper designations.

Keywords:

bar, brass bar, brass disks (blanks), brass plate, brass sheet, brass strip, cartridge brass bar, cartridge brass disks (blanks), cartridge brass plate, cartridge brass sheet, cartridge brass strip, disks (blanks), plate, strip, UNS No. C26000,, ICS Number Code 77.150.30 (Copper products)

Doplňující informace

1. Scope

1.1 This specification establishes the requirements for sheet, strip, plate, bar, and disks for the manufacture of ammunition component parts thereof from alloy UNS C26000.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

1.2.1 Exception—Values given in inch-pound units are the standard except for grain size, which is stated in SI units.

1.3 The following safety caveat pertains only to the test method described in Section 10 of this specification.

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.

(Warning—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Use caution when handling mercury and mercury-containing products. See the applicable product Safety Data Sheet (SDS) for additional information. The potential exists that selling mercury or mercury-containing products, or both, is prohibited by local or national law. Users must determine legality of sales in their location.)

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.

2. Referenced Documents

B601-18a	Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
B858-06(2018)	Standard Test Method for Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys
B900-16(2022)	Standard Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government Agencies
E3-11(2017)	Standard Guide for Preparation of Metallographic Specimens
E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E112-13(2021)	Standard Test Methods for Determining Average Grain Size
B154-16(2022)	Standard Test Method for Mercurous Nitrate Test for Copper Alloys
B248-22	Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

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