Steel Billet 1),Grade:200 300 400Series Steel billet 2),standard:DIN ATSM AISI JIS 3),hot rolled;Q235 Q195,ISO Steel Billet1),Grade:200 300 400Series2),standard:DIN ATSM AISI JIS 3),hot rolled;Q235 Q195,ISOSize ToleranceLength tolerance +100/-0mm Side length tolerance +/-2mm Straightness Max 6mm/mChemical composition: GradeCSiMnPSBCrMoTi20#0.170.230.170.370.350.65Max0.035Max0.03545#0.420.500.170. ...