... 5. (S)A516 G Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR) Specificate1.Thickness: ... products, on time delivery, flexible products, competitive price with excellence service that satisfied customer's requirements.Products that ... Q345R, 16MnDR, Q370R, 09MnNiDR, 18MnMoNbR, 15MnNiDRHSLA/ High Strength Low Alloy Steel Plate: 1>. Standard: ASTM Grade: A572 Grade 50, A709 Grade ...