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By certification 
pure tantalum plate
Purity:99.95%
Standard:ASTM B708
Material:UNS R05200, UNS R05400,R05252,R0255
Chemical Composition |
||
Element |
R05200 (%,Max) |
R05400 (%,Max) |
C |
0.01 |
0.01 |
O |
0.015 |
0.03 |
N |
0.01 |
0.01 |
H |
0.0015 |
0.0015 |
Fe |
0.01 |
0.01 |
Mo |
0.02 |
0.02 |
Nb |
0.1 |
0.1 |
Ni |
0.01 |
0.01 |
Si |
0.005 |
0.005 |
Ti |
0.01 |
0.01 |
W |
0.05 |
0.05 |
http://www.tbtitanium.com/
