This Part of GB/T 3884 specifies the method of determination of copper content in copper concentrates: long iodine titration method (Method One) and short iodin

This Standard specifies the designation of grade and code for copper and copper alloy. This Standard is applicable to the processing, casting and recycling prod

This Standard specifies designation and chemical composition of wrought copper and copper alloy. This Standard is applicable to the wrought product of copper an

This method specifies the method for determining gold and silver contents in copper concentrates. This method applies to the determination of gold and silver co

This Part of GB/T 3880 specifies mechanical properties of wrought aluminium and aluminium alloy plates, sheets and strips for general engineering applications.