Carbon steel S50C/S45C 1.Hot rolled,black surface,annealed 160-220HB. ... SEP 1921 CLASS C/c. 3.large stocks, 1.Grade: Carbon steel S50C/S45C/1050/CK53 2.Size: thickness 20~480mm,width ... .2-0.40.02/≤0.03≤0.03 / 5.Applications carbon steel Use for machine parts and mold.6.Payment term: 30 ...