C
|
Mn
|
Si
|
Cr
|
Mo
|
S
|
P
|
≤
0.60
|
≤
2.50
|
≤
1.00
|
≤
2.00
|
≤
1.00
|
≤
0.035
|
≤
0.04
|
焊条直径 / mm
|
3.2
|
4.0
|
5.0
|
焊接电流 / A
|
100~120
|
140~190
|
190~210
|