TANTALUM

Grade UNS No. Chemical Composition(%)
Ta C O N H Nb Fe Ti W Mg Si Ni OTHER
UNALLOYED TANTALUM
(Density:16.66g/cm³)
RO5200 BAL 0.010 0.015 0.01 0.0015 0.10 0.01 0.01 0.05 0.02 0.005 0.01 0101
RO5400 BAL 0.010 0.03 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)
(Density:16.66g/cm)
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)
R05255 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