... have large quantity of goods in stock! DIN 1.7225/AISI 4140 Steel, Round bars, UT passed.DIN ... :Hot rolled or forged 3)Surface:Black or machined 1.Chemical Composition C:0.42, Si:0.30, ... Mn:0.60, Cr:1.00, Mo:0.20, P≤0.025, S≤0 ... .025, Ni≤0.252.Size For round bar,Dia:8-605mm;Length 1600-6000mm or fixed ... .3.100% UT test and MTC is workable for you ! DIN 1.7225/AISI 4140 die Steel