|
c
|
mn
|
si
|
s
|
p
|
cr
|
ni
|
保证值
|
≤
0.20
|
5.0~
10.0
|
≤1.20
|
≤0.030
|
≤0.030
|
23.0~
27.0
|
16.0~
21.0
|
例值
|
0.080
|
6.18
|
0.80
|
0.006
|
0.020
|
24.76
|
18.60
|
试验项目
|
rm
(n/mm2)
|
a
(%)
|
保证值
|
≥540
|
≥30
|
例值
|
580
|
41
|
焊条直径(mm)
|
f2.0
|
f2.5
|
f3.2
|
f4.0
|
f5.0
|
焊接电流(a)
|
40~80
|
50~100
|
70~130
|
100~160
|
140~200
|