2OCr元钢材20Ni2CrM02_0Gr15Ni7Mo2Al_X2GrNiMoCuN25-6-3圆钢棒材

G20CrNi2M0钢材24GrMoV5-5棒料60GrMn材料X2GrNiMoCuN25-6-3圆棒

25Cr3M0圆棒45GrNiMoVA钢材19MnGr5材料X1GrNiMOCuN24-22-8棒料元