DIN1.5752 15nicr13 Flat Structural Alloy Steel
SAE 1020 S20c Ss440 A36 1045 S45c C45 4140 En19 Scm440 B7 42CrMo4 12L14 1215 1144 Cold Finished Precision Cold Drawn Bright Steel Round Bar Steel Bar
Chinese En10305/4, E355+N, Steel Tube