|
|
|
铌铁的牌号及用途
|
铌铁的牌号及用途
|
|
牌号
|
化学成分/%
|
|
nb+ta
|
ta
|
al
|
si
|
c
|
s
|
p
|
w
|
ti
|
cu
|
mn
|
as
|
|
≤
|
|
fenb70
|
70-80
|
0.8
|
3.8
|
1.5
|
0.04
|
0.03
|
0.04
|
0.3
|
0.3
|
0.3
|
0.3
|
0.01
|
|
fenb60-a
|
60-70
|
0.5
|
2
|
0.4
|
0.04
|
0.02
|
0.02
|
0.2
|
0.2
|
0.3
|
0.3
|
0.01
|
|
fenb60-b
|
60-70
|
0.8
|
2
|
1
|
0.05
|
0.03
|
0.05
|
0.2
|
0.3
|
0.3
|
0.3
|
0.01
|
|
fenb50-a
|
50-60
|
0.8
|
2
|
1.2
|
0.05
|
0.03
|
0.05
|
0.1
|
0.3
|
0.3
|
0.3
|
0.01
|
|
fenb50-b
|
50-60
|
1.5
|
2
|
4
|
0.05
|
0.03
|
0.05
|
|
|
|
|
|
|
牌 号
|
|
化学成分/%
|
供高温合金添加剂用及不锈钢电焊条和炭素合金钢添加剂用。
|
|
|
sn
|
sb
|
pb
|
bi
|
|
≤
|
|
fenb70
|
70-80
|
|
|
|
|
|
fenb60-a
|
60-70
|
0
|
0.002
|
0
|
0
|
|
fenb60-b
|
60-70
|
0
|
0.002
|
0
|
0
|
|
fenb50-a
|
50-60
|
0
|
0.002
|
0
|
0
|
|
fenb50-b
|
50-60
|
0
|
0.002
|
0
|
0
|
|
|
|
