... Hot rolled bar. 2) Dia ... steel co.,Ltd.Diameter10mm ~900mm or at your requirementsLength0.5m~12m or at your requirementstolerancea) Diameter ... and hardenability 2,good plasticity in cold condition ... steel,including stainless steel, tool steel, die steel,bearing steel,etc. And in shapes, we provide steel round bar, steel square bar,steel flat bar, steel plate, steel sheet, steel coil, steel wire, ans steel ...