1, SAE 1020/ 1045 Steel Bars 2, Hot Rolled Round Bars 3, DIA: 5.5~20mm 4, Length: 4m~6m 5, ... Trading Co., Ltd. hot rolled sae 1020/1045 round steel bars Dimensions:Diameter: 5.5mm~20mmDelivery Condition: hot-rolling, annealing, on ... carburizing and nitriding parts in cars, like hand brake, lever shaft, gear box, and transmission ...