... 20-800mm Process:hot-rolled/forged/cold-drawn Shape:square/round Round bar Material: Stainless Steel:201 202 204 207 207CU ... Carbon steel bar:Chinese Standard:20#,25#,35#,45#,50#,60#;Japan Standard:S20C,S25C,S35C,S45C,S55C,S60C; ... 0.35-0.35+0.40-0.40+0.50-0.50+0.70-0.70+1.0-1.0+ ... rolled flat bar: Width(mm)Thickness(mm)SizeSize toleranceSizeSize toleranceNormalBetterNormalBetter10-50+0.5, -1.0+0.3, -0.93- ...