供应42CrMo4扁钢4140进口钢材

4调质结构钢：C22E C22R C35 C35E C35R C40 C40E C40R C45 C45E C45R C50E C55 C50R C55E C60 C55R C60E C60R 28Mn6/ 34Cr4 34CrS4 37Cr4 37CrS4 38Cr2 41Cr4 41CrS4 46Cr2 25CrMoS4 34CrMo4 34CrMoS4 42CrMo4 42CrMoS4 50CrMo4 20MnB5 30MnB5 38MnB5 30CrNiMo8 27MnCrB5-2 33MnCrB5-2 39MnCrB6-2 30CrNiMo16-6 34CrNiMo6 51CrV4 35NiCr6 36NiCrMo16 39NiCrMo3

5易切削结构钢：11SMn30 11SMn37 11SMnPb30 11SMnPb37 10S20 10SPb20 15SMn13 35S20 35SPb20 36SMn14 38SMn28 36SMnPb14 38SMnPb28 44SMn28 46SPb20 44SMnPb28 46S20   /13MF4 18MF5 35MF6 45MF6.1 45MF6