|
C
|
Mn
|
Si
|
S
|
P
|
Cr
|
Ni
|
Mo
|
Cu
|
保证值
|
≤0.04
|
0.50~2.50
|
≤1.00
|
≤0.030
|
≤0.040
|
18.0~21.0
|
9.00~12.00
|
≤0.75
|
≤0.75
|
例值
|
0.024
|
1.30
|
0.62
|
0.008
|
0.020
|
19.90
|
9.80
|
0.040
|
0.035
|
试验项目
|
Rm (N/mm2)
|
A (%)
|
保证值
|
≥510
|
≥30
|
例值
|
580
|
45
|
焊条直径(mm)
|
φ2.0
|
φ2.5
|
φ3.2
|
φ4.0
|
φ5.0
|
焊接电流(A)
|
40~80
|
50~100
|
70~130
|
100~160
|
140~200
|