s45c c45 sae1045 grade steel round bar forging
C45/1045 Steel Round Bars, C45 Steel Rods, Flat Bars, PlatesProduct Description Leading Manufacturers, Suppliers of C45 Round Bars, 1045 Steel Bars , S45C Steel Bars – EN 1.0503, UNS G10450. SAEAISI 1045 is an alloy of iron, further classified as a carbon steel. 1045 is the SAEAISI designation for this material. 1.0503 is the EN numeric designation.