牌号 | 化学成分,wt% | ||||
C | Si | Mn | P | S | |
Y30 | 0.27~0.35 | 0.15~0.35 | 0.70~1.00 | ≤0.06 | 0.08~0.15 |
Y12 | 0.08~0.16 | 0.15~0.35 | 0.70~1.00 | 0.08~0.15 | 0.10~0.20 |
Y45 | 0.42~0.50 | ≤0.40 | 0.70~1.00 | ≤0.06 | 0.15~0.25 |
Y15 | 0.10~0.18 | ≤0.15 | 0.80~1.20 | 0.05~0.10 | 0.23~0.33 |