Tantalum Wire / Rod / Bar

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Tantalum Wire / Rod / Bar

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Table 1 Tantalum Ingot, Bar

Table 2 Chemical Requirements of Tantalum Bar

Grade	Chief	Impurity Maximum, %
Grade	Ta	C	H	O	N	Fe	Si	Ni	W	Mo	Nb	Ti
Ta-1	≥99.95	0.004	0.0015	0.015	0.005	0.005	0.005	0.002	0.005	0.002	0.005	0.001
Special requirements to be agreed on by the supplier and buyer.

Table 3 Tantalum Rod

Diameter	2.3∽6.5	6.5∽10	10∽16	16∽18	18∽150
length	2.3∽1500	10∽1500	10∽1200	20∽1500	20∽600
Standard: ASTM B708-05, Special requirements to be agreed on by the supplier and buyer.

Table 4 Mechanical properties of Tantalum Rod

Grade	Diameter mm	Tensile strength ≥MPa	Yield strength ≥MPa	Elongation ≥%	Grade	Diameter mm	Tensile strength ≥MPa	Elongation ≥%
RO5200 RO5400	3.18∽63.5	172	103	25	RO5200 RO5400	0.254∽0.379	241	10
						0.381∽0.633	241	15
						0.635∽3.14	207	20
Standard:ASTM B365-98(2004),Special requirements to be agreed on by the supplier and buyer.
Note:≤Φ2.3mm(RO5400)Tantalum wire technical see table 12 and 13

Table 5 Tolerance of Tantalum Rod, Wire

Diameter	0.254∽0.508	0.508∽0.762	0.762∽1.524	1.524∽2.286	2.286∽3.175	3.175∽4.75	4.75∽9.525
Tolerance (±)	0.0075	0.0075	0.01	0.038	0.051	0.076	0.102
Diameter	9.525∽12.70	12.70∽15.88	15.88∽19.05	19.05∽25.40	25.40∽38.10	38.10∽50.80	50.80∽63.50
Tolerance (±)	0.127	0.178	0.203	0.254	0.381	0.508	0.762
Standard: ASTM B365-98(2004),Special requirements to be agreed on by the supplier and buyer.
Note: ≤Φ2.3mm(RO5400).Tantalum wire technical see table 12 and 13.

Table 6 Chemical Compositions of Tantalum Wires for Capacitor Leads

Grade	Chief	Impurity Maximum,%
Grade	Ta	C	H	O	N	Fe	Si	Ni	W	Mo	Nb	Ti	Cr
ZZOKT	≥99.95	0.005	0.0015	0.02	0.004	0.005	0.005	0.003	0.002	0.002	0.005	0.001	0.003
Special requirements to be agreed on by the supplier and buyer.

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