|
c
|
mn
|
si
|
s
|
p
|
ni
|
保证值
|
≤0.050
|
≤1.25
|
≤0.50
|
≤0.030
|
≤0.030
|
3.00~
3.75
|
例值
|
0.040
|
0.60
|
0.15
|
0.003
|
0.012
|
3.52
|
试验项目
|
rm
(n/mm2)
|
rel/rp0.2
(n/mm2)
|
a
(%)
|
kv2(j)
|
-100℃
|
||||
保证值
|
≥490
|
≥390
|
≥16
|
≥27
|
例值
|
520
|
400
|
30
|
90
|
焊条直径(mm)
|
f
|
f
|
f
|
f
|
f
|
焊接电流(a)
|
40~70
|
60~90
|
100~130
|
150~180
|
170~210
|