CD3MWCuN — C≤0.03 Si≤1.00 Mn≤1.00 P:0.04 S:0.04 Cr:24.0~26.0 Ni:6.5~8.5 Mo: 3.0~4.0 Cu0.5~1.0 W :0.5~1.0 N: 0.20~0.30