Aluminium Zinc Coils Roofing Materials Az150 ASTM A792m Building Material Anti-FingerGalvanized Dx51d+Az Zincalume Gl Coils
Carbon steel plate used for general structural purposes. The steel has low and medium tensile strength. The ASTM A283 steel specification covers four structural quality grades of mild steel, grades A, B, C, and D, for general application.