1. Boiler and Pressure Vessel Steel Plate 2. Thickness: 5-200mm 3. Width:1700-2400mm 4 ... (S)A516 G Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR) Specificate1.Thickness: 5-200mm2. ... Grade 65, A516 Grade70, A537 Class 1, A537 Class 2 SA285 Grade C, SA662 Grade C, SA515 Grade 60, ... customers' requirement. Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR)