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
|
抗拉強(qiáng)度6b(MPa)
|
伸長(zhǎng)率§5(%)
|
≥410
|
≥20
|
焊條直徑(mm)
|
2.5
|
3.2
|
4.0
|
焊接電流(A)
|
50-80
|
80-120
|
130-170
|