Carbon Steel 1045, SAE 1050,S50C,BM48C,50#,C50,1.1730, Carbon steel Round Bar/Flat/Plate/Block Grade:SAE 1050,1.1730,S50 Carbon Steel 1045 ... , Large stock with competitive price AISI 1045, SAE 1050,SAE ... 1050, S50C,BM48C,50#,C50,1.1730,Carbon steela. Grade:SAE 1050 ...