(1)We have the certificate of ISO9001:2008, MSDS, SHS; (2)The product is produced based on ASTM, EN, JIS standard. Chemical Composition Cu 0.10 Si 0.40 Fe 0.40 Mn 0.3-1.0 Mg 4.0-4.9 Zn 0.25 Cr 0.05-0.25 Ti 0.15 Al BalanceCharacteristicsWith excellent corrosion resistance and weldability, together with high strength, this alloy was designed for welded structures requiring maximum joint strength ...