Grade
UNS
NO.
Chemical Composition
Ta
C
O
N
H
Nb
Fe
Ti
W
Mg
Si
Ni
OTHER
UNALLOYED
TANTALUM
(density:16.66g/㎠)
R05200
BAL
0.010
0.015
0.01
0.0015
0.10
0.01
0.01
0.05
0.02
0.005
0.01
0.01
R05400
BAL
0.010
0.02
0.01
0.0015
0.10
0.01
0.01
0.05
0.02
0.005
0.01
0.01
TANTALUM
ALLOY
(90% Ta,10%W)
R05255
BAL
0.010
0.015
0.01
0.0015
0.10
0.01
0.01
9.0-
11.0
0.02
0.005
0.01
0.01
TANTALUM
ALLOY
(97.5% Ta,2.5%W)
R05252
BAL
0.010
0.015
0.01
0.0015
0.50
0.01
0.01
2.0-
3.5
0.02
0.005
0.01
0.01