C |
Si |
Mn |
S |
Ni |
Fe |
其他元素总量 |
≤2.0 |
≤2.5 |
≤1.0 |
≤0.03 |
≥90 |
≤8.0 |
≤1.0 |
焊条直径/mm |
2.5 |
3.2 |
4.0 |
焊接电流/A |
65~90 |
90~110 |
120~150 |