... 3,high fatigue resistance 4,good combination property5,high quality and competitive price.Applicationmade into ships, vehicle, aircraft, missile, ... 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 ... all over the world ,mainly in Asia, South America, and Africa. Steel round bar C45, S355J2G3, 42CrMo4, 50CrV4