C |
Cr |
Ni |
Mo |
Mn |
Si |
S |
P |
Cu |
≤0.08 |
18.0-21.0 |
9.0-11.0 |
≤0.75 |
0.5-2.5 |
≤0.90 |
≤0.030 |
≤0.035 |
≤0.75 |
σb MPa |
δ5 % |
≥550 |
≥35 |
焊條直徑(mm) |
2.5 |
3.2 |
4.0 |
5.0 |
參考電流(A) |
50-80 |
80-110 |
110-160 |
160-200 |