1.1 本规范规定了特定铜锌锡合金和铜锌锡铁镍合金板材、薄板、带材和轧制棒材的要求。合金和标称成分如下: 铜合金 UNS编号。 铜 % 锡 % 锌 % 磷。， % 铁 % 镍 % C40500 95 1. 4. C40810 95.5 2 2.2 0.03 0.1 0.15 C40850 95.5 3 1.3 0.1 0.1 0.1 C40860 94.8 2 3. 0.03 0.03 0.1 C41100 91 0.5 8.5 C41300 91 1. 8. C41500 91 2. 7. C42200 87 1. 12 C42500 88 2. 10 C42520 89.8 2 8. 0.1 0.1 0.1 C43000 85 2. 13 C43400 85 0.7 14.3 1.2 单位- 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.2.1 例外情况- 表3中的平均晶粒度以国际单位制表示。 1.3 以下安全危险警告仅适用于本规范中所述的试验方法: 1.3.1 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification establishes the requirements for specified copper-zinc-tin alloys and copper-zinc-tin-iron-nickel alloys plate, sheet, strip, and rolled bar. The alloys and nominal compositions are as follows: Copper Alloy UNS No. Copper, % Tin, % Zinc, % Phos., % Iron, % Nickel, % C40500 95 1 4 C40810 95.5 2.0 2.2 0.03 0.1 0.15 C40850 95.5 3.0 1.3 0.1 0.1 0.1 C40860 94.8 2.0 3 0.03 0.03 0.1 C41100 91 0.5 8.5 C41300 91 1 8 C41500 91 2 7 C42200 87 1 12 C42500 88 2 10 C42520 89.8 2.0 8 0.1 0.1 0.1 C43000 85 2 13 C43400 85 0.7 14.3 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. 1.2.1 Exception— Average grain size in Table 3 is stated in SI units. 1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification: 1.3.1 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. 1.4 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.