熔敷金属化学成份: (%)
C |
Mn |
Si |
Cr |
Ni |
Mo |
Cu |
S |
P |
≤0.08 |
0.5-2.5 |
≤0.90 |
17.0-20.0 |
11.0-14.0 |
2.0-3.0 |
≤0.75 |
≤0.030 |
≤0.040 |
熔敷金属化学性能:
抗拉强度бb(Mpa) |
伸长率δ5(%) |
≥520 |
≥30 |
参考电流:(DC或AC)
焊条直径(mm) |
2.0 |
2.5 |
3.2 |
4.0 |
5.0 |
|
焊缝长度(mm) |
300 |
300 |
350 |
400 |
400 |
|
电流范围(A) |
平焊 |
30-50 |
60-85 |
85-120 |
115-150 |
140-180 |
立仰焊 |
30-50 |
50-70 |
75-105 |
95-130 |