Tantalum wires for capacitor leads Chemical Compositions (Maxium Values, ppm):

Chemical Compositions, Max
Grade	O	C	Si	N	Fe	H
Ta 1	0.02	0.005	0.005	0.004	0.005	0.0015
Ta 2	0.02	0.005	0.03	0.004	0005	0.0015
Grade	Nb	Ni	W	Mo	Cr	Ti
Ta 1	0.005	0.003	0.002	0.002	0.003	0.001
Ta 2	0.005	0.003	0.002	0.002	0.003	0.001

Diameter and tolerance (mm):

State	Tensile Strength(Mpa)	Elongation(%)	Wire Curl
Mild(M)	400~650	>10	1200
Semi-hard(Y2)	650~1000	0~5	1000
Hard	>1000	0~5	850

Times of bending afer sintering

Diameters	0.15	0.19	0.20	0.23	0.24	0.25	0.29	0.30	0.35	0.40
Times of bending afer sintering	>2
Diameters	0.46		0.50		0.60		0.80		1.00
Times of bending afer sintering	>3

Electrical Properties: 1.       Current leakage, maxium 0.1μA /cm2 2.       Tantalum wire for wet capacitor Kc=10~12μ F.V/cm2
  Note: Special requirements to be agreed upon by the supplier and buyer Mechchanical properties