c
|
mn
|
si
|
s
|
p
|
≤0.20
|
≥1.00
|
≤0.50
|
≤0.035
|
≤0.035
|
试验项目
|
rm
(n/mm2)
|
rel/rp0.2
(n/mm2)
|
a
(%)
|
kv2(j)
|
-30℃
|
||||
保证值
|
≥540
|
≥440
|
≥17
|
≥27
|
焊条直径(mm)
|
f
|
f
|
焊接电流(a)
|
80~100
|
110~130
|