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Aside from being more aesthetically pleasing, cold drawn steel bars have several advantages and superior properties when compared to ordinary hot rolled steel bars:
Improved ToleranceHot Rolled: +0.009 / -0.009Cold Drawn: +0.000 / -0.002Improved Mechanical PropertiesUp to 80% Increase in Yield StrengthUp to 30% Increase in Tensile StrengthImproved Surface ConditionHot Rolled: Rough (Iron Oxide) + Straightness 0.250" in 5 FeetCold Drawn: Smooth + Straightness .006" Per FootImproved Machinability20-25% Improvementss316 steel bar