... (S)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 ... HIC, SSC, SPWHT, Macrostructure, detection of defects, Hardness and DWTT test for pipelines steel plates are also available ... . Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR)