... alloy steel plate/sheet 1 good in workmanship 2 uniform in thickness 3.Latest price, contact me HSLA/ High Strength Low Alloy ... AH36, DH36, EH36, AH40, DH40, EH40, 2H Grade 50 Alloy Structural Steel Plate:Standard: Special ConditionGrade: 50Mn2V, 15CrMo, 20Mn2, 40Mn2 ... GB Q235GJC, Q345GJC, Q390GJC, Q420GJC, Q460GJC Realative pictures:Alloy steel plate production line Pictures of products we prepared to ...