| 成分 |
C *
|
Si |
Mn |
P ①
|
S ①②
|
Cr |
Ni |
Cu ④
|
Mo |
N |
Ti |
V |
Nb |
Al ③
|
| 最小值 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.015 |
| 最大值 |
0.16 |
0.55 |
1.7 |
0.03 |
0.025 |
0.35 |
0.55 |
0.6 |
0.13 |
0.017 |
0.06 |
0.12 |
0.06 |
- |
* For long products a maximum C content of 0.17% for grade S275 and a maximum C content of 0.18% for grade S355 applies.
① For long products the P and S content can be 0.005% higher.
② For railway applications a maximum S content of 0.012% may be agreed at the time of enquiry and order.
③ If sufficient other N-binding elements are present the minimum total AI content does not apply.
④ Cu content above 0.45% may cause hot shortness during hot forming.