Trademark Ta1,Ta2, TaNb3, Ta-10W, Ta-2.5W Ta1(purity)>99.95% Dimension Dia(5~60)*L mm Dia(0.5~5.0)*L mm CHEMICAL COMPOSITION R05200R05400R05252R05255R05240O0.0150.030.0150.0150.020N0.010.010.010.010.01C0.010.010.010.010.01H0.00150.00150.00150.00150.0015Nb0.10.10.50.135.0-42.0Mo0.020.020.020.020.02W0.050.052.0~3.59.0~11.00.05Ti0.010.010.010.010.01Si0.0050.0050.0050.0050.005Fe0.010.010.010.010. ...