高速鋼的化學成分
| 鋼號 | 化學成分(質量分數)(%) | ||||||||||||
| C | W | Mo | Cr | V | Co | Si | Mn | - | Al | - | - | XL加入量 | |
| W18Cr4V | 0.70~0.80 | 17.50~19.00 | ≤0.30 | 3.80~4.40 | 1.00~1.40 | - | ≤0.40 | ≤0.40 | - | - | ≤0.030 | ≤0.030 | - |
| 9W18Cr4V | 0.90~1.00 | 17.50~19.00 | ≤0.30 | 3.80~4.40 | 1.00~1.40 | - | ≤0.40 | ≤0.40 | - | - | ≤0.030 | ≤0.030 | - |
| W12Cr4V4Mo | 1.20~1.40 | 11.50~13.00 | 0.90~1.20 | 3.80~4.40 | 3.80~4.40 | - | ≤0.40 | ≤0.40 | - | - | ≤0.030 | ≤0.030 | - |
| W14Cr4VMnXL | 0.80~0.90 | 13.50~15.00 | ≤0.30 | 3.50~4.00 | 1.40~1.70 | - | ≤0.50 | 0.35~0.55 | - | - | ≤0.030 | ≤0.030 | - |
| W6Mo5Cr4V2 | 0.80~0.90 | 5.50~6.75 | 4.50~5.50 | 3.80~4.40 | 1.75~2.20 | - | ≤0.40 | ≤0.40 | - | - | ≤0.030 | ≤0.030 | 0.07 |
| W6Mo5Cr4V2Al | 1.05~1.20 | 5.50~6.75 | 4.50~5.50 | 3.80~4.40 | 1.75~2.20 | - | ≤0.60 | ≤0.40 | - | 0.80~1.20 | ≤0.030 | ≤0.030 | - |
| W6Mo5Cr4V5SiNbAl | 1.55~1.65 | 5.50~6.50 | 5.00~6.00 | 3.80~4.40 | 4.20~5.20 | - | 1.00~1.40 | ≤0.40 | 0.20~0.50 | 0.30~0.70 | ≤0.030 | ≤0.030 | - |
| W10Mo4Cr4V3Al | 1.30~1.45 | 9.00~10.50 | 3.50~4.50 | 3.80~4.50 | 2.70~3.20 | - | ≤0.50 | ≤0.50 | - | 0.70~1.20 | ≤0.030 | ≤0.030 | - |
| W12Mo3Cr4V3Co5Si | 1.20~1.30 | 11.50~13.50 | 2.80~3.40 | 3.80~4.40 | 2.80~3.40 | 4.70~5.10 | 0.80~1.20 | ≤0.40 | - | - | ≤0.030 | ≤0.030 | - |
注:1.為改善鋼的組織和性能,允許在鋼中加入適量稀土元素,但需在證明書中注明。2.在鎢系高速工具鋼中,鉬含量允許到時1.0%。鎢、鉬二者的關系:當鉬含量越過0.3%時,鎢含量相應減少,在鉬含量越過0.3%的部分每1%的鉬代替2%的鎢。在這種情況下,在鋼號后面加上“Mo”。
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