高速钢的化学成分
钢号化 学 成 分(质量分数)(%)
C
W
Mo
Cr
V
Co
Si
Mn
Nb
Al
S
P
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
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.为改善钢的组织和性能,允许在钢中加入适量稀土元素,但需在证明书中注明。 2.在钨系高速工具钢中,钼含量允许到时1.0%。钨、钼二者的关系:当钼含量越过0.3%时,钨含量相应减少,在钼含量越过0.3%的部分每1%的钼代替2%的钨。在这种情况下,在钢号后面加上“Mo”。
文章关键词: 高速钢
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