鋼號 | C | Si | Mn | Cr | Mo | V | W | 其他 | |
AISI/ | UNS | ||||||||
SAE | |||||||||
耐沖擊工具鋼 | |||||||||
S1 | T41901 | 0.45-0.55 | 0.25-0.45 | 0.20-0.40 | 1.25-1.75 | 0.4 | 0.15-0.30 | 1.00-1.30 | — |
S2 | T41902 | 0.45-0.55 | 0.80-1.20 | 0.30-0.50 | — | 0.40-0.60 | 0.25 | — | — |
S3 | — | 0.45-0.55 | 0.10-0.40 | 0.10-0.40 | 0.85-1.15 | — | — | 0.85-1.15 | — |
S4 | T41904 | 0.50-0.60 | 1.75-2.25 | 0.60-0.95 | ≤0.35 | — | — | ≤0.35 | — |
S5 | T41905 | 0.50-0.60 | 1.20-2.20 | 0.60-0.90 | 0.3 | 0.30-0.50 | 0.25 | — | — |
S6 | T41906 | 0.40-0.50 | 2.00-1.50 | 1.00-1.50 | 1.00-1.50 | 0.30-0.50 | 0.20-0.40 | — | — |
S7 | T41907 | 0.5 | 0.20-0.40 | 0.22-0.40 | 3.25 | 1.4 | — | — |
|