Element Cr Co W Mo Nb Al
Weight,% 15.50~16.50 12.50~13.50 3.80~4.20 3.80~4.20 0.60~0.80 1.96~2.30
Element Ti C Zr B Ni Fe
Weight,% 3.55-3.90 0.045~0.060 0.03-0.06 0.012-0.020 Balanced ≤0.50