牌号
|
化学成分(质量分数)/%
|
|||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
W
|
V
|
Co
|
|
SKH2 SKH3 SKH4 SKH10
|
0.73- 0.83 0.73- 0.83 0.73- 0.83 1.45- 1.60
|
0.45 0.45 0.45 0.45
|
0.40 0.40 0.40 0.40
|
0.030 0.030 0.030 0.030
|
0.030 0.030 0.030 0.030
|
3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50
|
- - - -
|
17.20- 18.70 17.0- 19.0 17.0- 19.0 11.50- 13.50
|
1.00- 1.20 0.80- 1.20 1.00- 1.50 4.20- 5.20
|
- 4.50- 5.50 9.00- 11.00 4.20- 5.20
|
SKH40
|
1.23- 1.33
|
0.45
|
0.40
|
0.030
|
0.030
|
3.80- 4.50
|
4.70- 5.30
|
5.70- 6.70
|
2.70- 3.20
|
8.00- 8.80
|
SKH50 SKH51 SKH52 SKH53 SKH54 SKH55 SKH56 SKH57 SKH58
SKH59
|
0.77- 0.87 0.80- 0.88 1.00- 1.10 1.15- 1.25 1.25- 1.40 0.87-
0.95 0.85- 0.95 1.20- 1.35 0.95- 1.05 1.05- 1.15
|
0.70 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.70 0.70
|
0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40
|
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030
0.030
|
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030
0.030
|
3.50- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80-
4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50
|
8.0- 9.00 4.70- 5.20 5.50- 6.50 4.70- 5.20 4.20- 5.00 4.70-
5.20 4.70- 5.20 3.20- 3.90 8.20- 9.20 9.00- 10.00
|
1.40- 2.00 5.90- 6.70 5.90- 6.70 5.90- 6.70 5.20- 6.00 5.90-
6.70 5.90- 6.70 9.00- 10.00 1.50- 2.10 1.20- 1.90
|
1.00- 1.40 1.70- 2.10 2.30- 2.60 2.70- 3.20 3.70- 4.20 1.70-
2.10 1.70- 2.10 3.00- 3.50 1.70- 2.20 0.90- 1.30
|
- - - - - 4.50- 5.00 7.00- 9.00 9.50- 10.50 - 7.50- 8.50
|
注:残余元素(质量分数)铜不大于0.25%。
牌号
|
化学成分(质量分数)/%
|
|||||||||
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
W
|
V
|
Co
|
|
SKH2 SKH3 SKH4 SKH10
|
0.73- 0.83 0.73- 0.83 0.73- 0.83 1.45- 1.60
|
0.45 0.45 0.45 0.45
|
0.40 0.40 0.40 0.40
|
0.030 0.030 0.030 0.030
|
0.030 0.030 0.030 0.030
|
3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50
|
- - - -
|
17.20- 18.70 17.0- 19.0 17.0- 19.0 11.50- 13.50
|
1.00- 1.20 0.80- 1.20 1.00- 1.50 4.20- 5.20
|
- 4.50- 5.50 9.00- 11.00 4.20- 5.20
|
SKH40
|
1.23- 1.33
|
0.45
|
0.40
|
0.030
|
0.030
|
3.80- 4.50
|
4.70- 5.30
|
5.70- 6.70
|
2.70- 3.20
|
8.00- 8.80
|
SKH50 SKH51 SKH52 SKH53 SKH54 SKH55 SKH56 SKH57 SKH58
SKH59
|
0.77- 0.87 0.80- 0.88 1.00- 1.10 1.15- 1.25 1.25- 1.40 0.87-
0.95 0.85- 0.95 1.20- 1.35 0.95- 1.05 1.05- 1.15
|
0.70 0.45 0.45 0.45 0.45 0.45 0.45 0.45 0.70 0.70
|
0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40 0.40
|
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030
0.030
|
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030
0.030
|
3.50- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80-
4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50 3.80- 4.50
|
8.0- 9.00 4.70- 5.20 5.50- 6.50 4.70- 5.20 4.20- 5.00 4.70-
5.20 4.70- 5.20 3.20- 3.90 8.20- 9.20 9.00- 10.00
|
1.40- 2.00 5.90- 6.70 5.90- 6.70 5.90- 6.70 5.20- 6.00 5.90-
6.70 5.90- 6.70 9.00- 10.00 1.50- 2.10 1.20- 1.90
|
1.00- 1.40 1.70- 2.10 2.30- 2.60 2.70- 3.20 3.70- 4.20 1.70-
2.10 1.70- 2.10 3.00- 3.50 1.70- 2.20 0.90- 1.30
|
- - - - - 4.50- 5.00 7.00- 9.00 9.50- 10.50 - 7.50- 8.50
|
注:残余元素(质量分数)铜不大于0.25%。
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