Description
Physical properties:
high temperature resistance, good corrosion resistance.
Product specifications:
(17±2)×(17±2)×(450±50)mm
Chemical composition: implementation of national standard GB/T6896-2007
Impurity content (%, ≤)
|
||
Impurity element
|
TNb-1
|
TNb-2
|
O
|
0.05
|
0.15
|
H
|
–
|
–
|
C
|
0.02
|
0.03
|
N
|
0.03
|
0.05
|
Fe
|
0.005
|
0.02
|
Si
|
0.003
|
0.005
|
Ni
|
0.005
|
0.01
|
Cr
|
0.005
|
0.005
|
Ta
|
0.1
|
0.15
|
W
|
0.005
|
0.01
|
Mo
|
0.005
|
0.005
|
Ti
|
0.005
|
0.01
|
Mn
|
–
|
–
|
Cu
|
0.002
|
0.003
|
P
|
–
|
–
|
S
|
–
|
–
|
Zr
|
0.02
|
0.02
|
Al
|
0.003
|
0.005
|