... Treatment: Mill FinishAlloy: AlloyCertification: ASTM, JIS, GB/T, EN, ASTMBThickness: 0.3-200mmTemper 1: O-H112 T3-T8 T351 ... structures, fasteners, hardware, wheels, screw machine products etc3A21/3003Anti-rust alloy, cannot be heat treated, not very high strength ... chemical handling, tanks, roofing and ceiling sheet etc3004Anti-rust alloy, cannot be heat treated,better strength than 3003 and ...