Element composition (%)
Crade/UNS	C	O	N	H	Fe	Mo	Nb	Ni	Si	Ti	W	Ta
Ta R05200	0.01	0.015	0.01	0.0015	0.01	0.02	0.1	0.01	0.005	0.01	0.05	Remainder
UNS R05200
Ta R05240	0.01	0.02	0.01	0.0015	0.01	0.02	35.0 - 42.0	0.01	0.005	0.01	0.05	Remainder
UNS R05240
Ta R05252	0.01	0.015	0.01	0.0015	0.01	0.02	0.5	0.01	0.005	0.01	2.0 - 3.5	Remainder
UNS R05252
Ta R05255	0.01	0.015	0.01	0.0015	0.01	0.02	0.1	0.01	0.005	0.01	9.0 - 11.0	Remainder
UNS R05255
Ta R05400	0.01	0.03	0.01	0.0015	0.01	0.02	0.1	0.01	0.005	0.01	0.05	Remainder
UNS R05400