用钢和精品钢材 不锈钢承压锻件X1CrNiMoCuN20-18-7 X1CrNiMoCuN25-20-7 X1NiCrMoCu25-20-5 X2CrNi18-9 X2CrNiMo17-12-2 X2CrNiMo17-12-3 X2CrNiMo18-14-3 X2CrNiMoN22-5-3 X2CrNiMoN17-11-2 X2CrNiMoN17-13-
