Cheng Tai Mrtal
鋼種 | 外徑規格( mm ) | |||||||||
SNCM420 白十字鋼 鎳鉻鉬鋼 | 17 | 18 | 20 | 22 | 24 | 25 | 28 | 29 | 30 | 32 |
34 | 36 | 40 | 42 | 46 | 48 | 55 | 60 | 65 | 70 | |
75 | 80 | 85 | 95 | 105 | 110 |
鋼種(JIS) | C(碳) | Si(矽) | Mn(錳) | P(磷) | S(硫) | Ni(鎳) | Cr(鉻) |
SNCM420 | 0.17-0.23 | 0.15-0.35 | 0.40-0.70 | 0.030 max | 0.030 max | 1.60-2.00 | 0.40-0.60 |