| 摘要 |
A golf club head is formed of an alloy steel which comprises at most 0.2 wt.% of C, 0.05-1.0 wt.% of Si, at most 0.5 wt.% of Mn, 3.0-8.0 wt.% of Ni, 10.0-20.0 wt.% of Cr, 3.0-8.0 wt.% of Mo and 10.0-20.0 wt.% of Co, the remainder being substantially Fe, and has a metallic texture composed principally of martensite. |
