|
C
|
Mn
|
Fe
|
P
|
S
|
Si
|
A1
|
Ti
|
Ni
|
Cu
|
其它
|
|
≤0.10
|
≤0.75
|
≤0.75
|
≤0.03
|
≤0.02
|
≤1.25
|
≤1.0
|
1.0-4.0
|
≥92
|
≤0.25
|
≤0.50
|
|
抗拉强度6b(MPa)
|
伸长率§5(%)
|
|
≥410
|
≥20
|
|
焊条直径(mm)
|
2.5
|
3.2
|
4.0
|
|
焊接电流(A)
|
50-80
|
80-120
|
130-170
|
