Standard ASTM A653, JIS G3302,GB/T3830-2006 Grade DX51D,SGCC, ... -fingerprint,CoatingAPPLICATIONStructural use ,roofing, commercial use, household appliance, industry, familySPECIALAPPLICATIONWear resistant steel, high- strength - steel plate StandardASTM A653, JIS G3302,GB ...