|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Mo
|
Cu
|
V
|
保证值
|
≤0.080
|
0.50~2.50
|
≤1.00
|
≤0.030
|
≤0.035
|
17.0~20.0
|
11.0~14.0
|
2.0~2.5
|
≤0.75
|
0.30~0.70
|
例值
|
0.050
|
1.95
|
0.28
|
0.009
|
0.021
|
18.96
|
11.85
|
2.35
|
0.10
|
0.48
|
试验项目
|
Rm(N/mm2)
|
A(%)
|
保证值
|
≥540
|
≥25
|
例值
|
600
|
41
|
焊条直径(mm)
|
φ2.0
|
φ2.5
|
φ3.2
|
φ4.0
|
φ5.0
|
焊接电流(A)
|
40~80
|
50~100
|
70~120
|
90~160
|
140~200
|