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

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 Standard specifies the measuring tools and their accuracy requirements, measurement conditions, measuring methods, data calculation and processing and test

This Part of GB/T 3880 specifies the tolerances on forms and dimensions of the wrought aluminium and aluminium alloy plates, sheets and strips for general engin

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