|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Mo
|
Cu
|
保证值
|
≤0.150
|
0.50~2.50
|
≤1.00
|
≤0.030
|
≤0.040
|
22.0~25.0
|
12.0~14.0
|
≤0.75
|
≤0.75
|
例值
|
0.068
|
1.73
|
0.75
|
0.008
|
0.014
|
24.30
|
13.50
|
0.019
|
0.005
|
直径(mm)
|
Rm(N/mm2)
|
A(%)
|
保证值
|
≥550
|
≥25
|
例值
|
620
|
33
|
焊条直径(mm)
|
φ2.5
|
φ3.2
|
φ4.0
|
φ5.0
|
焊接电流(A)
|
80~130
|
120~160
|
180~240
|
240~280
|