This document specifies the grades and chemical compositions of processed copper and copper alloys. This document applies to copper and copper alloy processed products produced by pressure processing and the ingots and blanks used therein.
GB/T 5231-2022 Referenced Document
GB/T 29091 Copper and copper alloy designation and code system
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 5231-2022 history
2022GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys
2012GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys
2001GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products