... -300mm4) Standards: ASTM, JIS, GB, DIN5) Grades: 12Cr1MoV, 15CrMo, 20Cr, 40Cr, 50Mn2V, 30CrMo,Q215,Q235,Q355,st37, ss400,A573Gr.65, A516Gr65 ... ,BS,AISIThickness:1MM-300mm; Width:900mm-4000mmMaterial:Q195,Q235,Q345,40Cr,ASTM A36,E235BSurface: Bare, galvanized coated or as customer's ...