c
|
mn
|
si
|
cr
|
ni
|
s
|
p
|
mo
|
cu
|
≤0.15
|
0.5-2.5
|
≤0.90
|
22.0-25.0
|
12.0-14.0
|
≤0.03
|
≤0.04
|
≤0.75
|
≤0.75
|
焊条直径(mm)
|
¢2.5
|
¢2.0
|
¢1.8
|
¢1.6
|
¢1.4
|
¢1.2
¢1.0
|
焊接电流(a)
|
50~80
|
25~50
|
25~45
|
20~40
|
15~30
|
10~25
|