1.1 本规程描述了铸造或锻造形式的铜（电解阴极除外）和铜合金的取样，以测定成分。 1.2 铸造产品可以是饼、坯料、线材、铸锭、铸锭或铸件的形式。 1.3 锻造产品可以是扁平、管道、管材、棒材、型材或锻件。 1.4 本规程无意取代或取代特定材料取样的现有规范要求。 1.5 以国际单位制表示的数值应视为标准。括号中的数值仅供参考。 1.6 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者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。 具体的预防声明出现在 附录X4 。 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。 ====意义和用途====== 4.1 本规程主要用于铜和铜合金的取样，以符合成分规范要求。 4.2 选择正确的试样和从这些试样中制备具有代表性的样品是每次分析的必要先决条件。除非样品代表了制备样品的材料的平均成分，否则分析结果几乎没有价值。

1.1 This practice describes the sampling of copper (except electrolytic cathode) and copper alloys in either cast or wrought form for the determination of composition. 1.2 Cast products may be in the form of cake, billet, wire bar, ingot, ingot bar, or casting. 1.3 Wrought products may be in the form of flat, pipe, tube, rod, bar, shape, or forging. 1.4 This practice is not intended to supersede or replace existing specification requirements for the sampling of a particular material. 1.5 The values stated in SI units are to be regarded as standard. The values in parentheses are given for information only. 1.6 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. A specific precautionary statement appears in Appendix X4 . 1.7 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. ====== Significance And Use ====== 4.1 This practice is intended primarily for the sampling of copper and copper alloys for compliance with compositional specification requirements. 4.2 The selection of correct test pieces and the preparation of a representative sample from such test pieces are necessary prerequisites to every analysis. The analytical results will be of little value unless the sample represents the average composition of the material from which it was prepared.