C
|
Mn
|
Si
|
Cr
|
Ni
|
Mo
|
N
|
Cu
|
S
|
P
|
≤0.12
|
0.5-2.5
|
≤0.90
|
14.0-18.0
|
22.0-27.0
|
5.0-7.0
|
≤0.1
|
≤0.5
|
≤0.030
|
≤0.035
|
強度бb(Mpa)
|
伸長率δ5(%)
|
≥610
|
≥30
|
焊條直徑(mm)
|
2.0
|
2.5
|
3.2
|
4.0
|
5.0
|
焊接電流(A)
|
25-50
|
50-80
|
80-110
|
110-160
|
160-200
|