GB/T 5231-2022 in English

《GB/T 5231-2022加工铜及铜合金牌号和化学成分》由TC243（全国有色金属标准化技术委员会）归口，TC243SC2（全国有色金属标准化技术委员会重金属分会）执行，主管部门为中国有色金属工业协会。

Designation and chemical composition of wrought copper and copper alloys

1 Scope

This document specifies the designation and chemical composition of wrought copper and copper alloys.

This document is applicable to wrought products of copper and copper alloys manufactured by pressure processing method as well as the ingot castings and blanks adopted for such copper and copper alloys.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 29091 Copper and copper alloy designation and code system

3 Terms and definitions

No terms and definitions are listed in this document.

4 Designations and codes

4.1 Nomenclature of designations and codes for wrought copper and copper alloys shall conform to GB/T 29091.

4.2 See Annex A for the comparison of the designations of this document and the corresponding designations of foreign standards.

Note: In Tables 1 to 5, the code and designation beginning with "C" are equivalent to the designation of American ASTM standard.

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Designations and codes
5 Chemical composition
Annex A (Informative) Comparison table of the designations of this document and the corresponding designations of foreign standards