C |
Si |
Mn |
S |
P |
Fe |
2.0~4.0 |
2.5~6.5 |
≤0.75 |
≤0.10 |
≤0.15 |
余量 |
焊條直徑/mm |
2.5 |
3.2 |
4.0 |
5.0 |
焊接電流/A |
60~90 |
90~120 |
150~180 |
190~220 |