收藏词条 编辑词条 日本非合金工具钢钢号
创建时间:2008-08-02
JIS G4401 表1
牌号 |
化学成分(质量分数)/% |
|||||||||||
C |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Co |
Cr ≤ |
Mo |
Ni ≤ |
V |
W |
Cu ≤ |
|
SK1 |
1.30~1.50 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |
SK2 |
1.10~1.30 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |
SK3 |
1.00~1.10 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |
SK4 |
0.90~1.00 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |
SK5 |
0.80~0.90 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |
SK6 |
0.70~0.80 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |
SK7 |
0.60~0.70 |
0.35 |
0.5 |
0.03 |
0.03 |
|
0.25 |
|
0.25 |
|
|
0.25 |