Cold Drawn hexagonal bar factory manufacturer 1020/1045 Cold Drawn hexagonal bar factory manufacturer 1020/1045/5140/4140, US $ 500 - 850 / Ton, S20C S45C 4140 5120 5140, AISI, ASTM, DIN, GB, JIS, China.Source from
1045 Bars, 1045 Bars Suppliers and Manufacturers at 1045 Cold Drawn Steel Ro ...