ASTM B131-2017
铜合金弹头火帽壳的标准规格

Standard Specification for Copper Alloy Bullet Jacket Cups

非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 ASTM B131-2017 前三页，或者稍后再访问。

如果您需要购买此标准的全文，请联系： 。

注意： 点击下载后，生成下载文件时间比较长，请耐心等待......

标准号

ASTM B131-2017

发布日期

2017年

实施日期

废止日期

无

中国标准分类号

H62

国际标准分类号

77.150.30

发布单位

US-ASTM

适用范围

15.1x00a0;For the purpose of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value, or 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
x00a0;	x00a0;
Chemical Composition	Nearest unit in the last right-hand significant digit used in expressing the limiting value
x00a0;	x00a0;
Grain size	Nearest multiple of 0.005 mm

1.1x00a0;This specification establishes the requirements for bullet jacket preform cups produced of Copper Alloy UNS No. C22000 for processing into bullet jackets of the following types and classes:

1.1.1x00a0;Type Ix2014;Caliber 0.30.

1.1.2x00a0;Type IIx2014;Caliber 0.45.

1.1.3x00a0;Type IIIx2014;Caliber 0.50.

1.1.4x00a0;Type IVx2014;As specified in the contract or order.

1.1.5x00a0;Class Ix2014;Not annealed.

1.1.6x00a0;Class IIx2014;Annealed.

1.2x00a0;Unitsx2014;The values stated in inch-pound units are to be regarded as standard, except for grain size, which is given in SI units. The values in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

1.3x00a0;This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of Internationa......