Alloy Steel Plate or High Stength Low Alloy Steel Plate Thickness: 8-300mm Width: 1500-4000mm Length: 4000-20000mm Steel Grade: Q345(A/B/C/D), ASTM A572 GR50, St52-3, S355(JR/J0/J2G3/J2G4/K2G3/K2G4) Q295(A, B), Q345(A, B, C, D, E) , Q390(A, B, C, D, E), Q420(A, B, C, D, E), Q460(C, D, E), Q500(D, E), Q550(D, E), Q620(D, E), Q690(D, E), SM490(A, B, C), St44-3, St52-3, StE315, StE355, StE380, StE420, StE460, StE500, A572M(Gr42, 50, 60, 65), A633M(A, B, C, D, E), S275(JR, JO, J2G3, J2G4), S355(JR, JO, J2G3, J2G4, K2G3, K2G4), E395, E335, E360, S275N, S275NL, S355N, S355NL, S420N, S420NL, S460N, S460NL, Fe430(A, B, C, D) 15CrMo, 20CrMo, 30CrMo, 35CrMo, 20Cr, 40Cr, 20Mn2, 40Mn2, 20CrMnMo, 12Cr1MoV, 30CrMnSiA, 25CrMo4, 34CrMo4, 42CrMo4.