1045 S45C C45 cold drawn steel round bar 1045 S45C C45 steel material is a medium carbon steel grade with good mechanical properties for a various applications. 1045 S45C C45 steel bar is usually used in many industries like automotive, agriculture, construction and motorcycle. Specification of 1045 S45C C45 steel bar we supply: Sizes Wide range from 6mm to 100mm Tolerances Precision to h9, h10, h11 Roundness 75% of diameter tolerance Straightness Good straightness to 0.5mm/m Surface roughness Smooth to 1.6um Mechanical properties Yield strength…