1. Boiler and Pressure Vessel Steel Plate 2. Thickness: 5-200mm 3. Width:1700-2400mm ... )A516 G Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR) Specificate1.Thickness: 5- ... 65, A516 Grade70, A537 Class 1, A537 Class 2 SA285 Grade C, SA662 Grade C, SA515 Grade 60 ... , Q390GJC, Q420GJC, Q460GJCHigh Quality Carbon Steel Plate: 1>. ASTM 10252>. GB 20Mn, 50Mn, 10#, 20#, 25#, 30#, 35#, ...