Stancor Alloys is a leading manufacturer of these carbon steel based SA516 Gr 70 Plate and sheets. There are different grades of ASTM A516 sheets and plates out of which the grade 70 has the highest tensile strength. The minimum tensile strength of the ASTM A516 Grade 70 Carbon Steel Boiler plate ranges between 70 to 90ksi. The thickness of the ASTM A516 Grade 70 Steel Sheet/Plate Suppliers, A516 Gr 70 ASTM A516 Grade 70 Steel Plates available for sale in thickness:6MM to 300MM, width:1500mm to 4050mm, and length:3000mm to 15000mm; If you are interested in purchasing ASTM A516 Grade 70 steel plates, or have any queries, please feel free to email us on [email protected] or call us on +919892451458. Metline is a specialized supplier of ASTM A516 Grade 70 steel sheets and plates.