ST37 Carbon Steel Plate 1.Q390,Q345, A709GR. 50, S275JR, SM490A, St44-3, St52 ... 2.Length:3000mm-18800mm 3.Width:1500mm-4020mm ItemST37 Steel Plate or SheetStandardAISI, ASTM, BS, GB, JIS, ENMaterialASTM A572,ASTM A516 ... questions, please feel free to contact me. st37 carbon steel plate sheet