Ck45 Hot Forged Round Bar, Square Steel

All forged bars chemical constituents may, in accordance withASTM, EN, AISI, and so on, UT test qualified according to the testing standards, such as SEP1921-84 C/C, D/D; JIS G 0587 CLASS 2 and Chinese standards. The surface can be black, heat-treated, rough machined, bright and anti-rust according to customers' requirements