1.3270含钴高速钢
1.3270化学成分
Fe:78.09–81.2
Si:0.2–0.4
Mn:0.1–0.4
Co:7.7–8.3
Cr:3.8–4.5
V:0.8–1.1
P:<0.03
C:0.7–0.75
S:<0.03
Mo:4.7–5.3
W:0.8–1.1