... E/e,As forged condition straightness: ≤4mm/m, RT bar straightness: ≤2mm/mAs forged diameter tolerance: -0/+8mm ... C/D heavy ≤2, thin ≤2.5 NameRound bar BrandTISCO,BAOSTEEL,CGXYSTEELMaterial GradeStainless steel, Alloy steel, Carbon steel ... -2.0+2.5-2.5Hot-rolled flat bar: Width(mm)Thickness(mm)SizeSize toleranceSizeSize toleranceNormalBetterNormalBetter10-50 ... -2.0%+0.8%, -1.8% 2013 High Quality Round bar