1.hot rolled or forged 2.flat plate or round bar 3.UT test passed 4.large stock 1. Main application(1) 45c is widely used in machinery manufacturing.(2) For the manufacture of high strength requirements parts, such as gears, shafts, piston pin and the uneven force big machining parts, forgings, stampings and bolts, nuts, pipe joint. 2. Specification: Round bar Diameter(mm) Length (mm) 50~500 2000 ...