

Item No.: ALB-T009. Capacitor Grade Tantalum (Ta) Wire is made of pure tantalum with purity over 99.95%. Size available: Diameter: > 0.2mm. Standard: ASTM B 365. Quantity: 1kg, 10kg, 100kg.
Capacitor Grade Tantalum (Ta) Wire Description:
ALB Materials Inc is a global supplier of Capacitor Grade Tantalum (Ta) Wire and we can provide customized tantalum products. ALB's Capacitor Grade Tantalum (Ta) Wire is manufactured through Cold-Working Process, through forging, rolling, swaging, and drawing to get the desired size.
Capacitor Grade Tantalum (Ta) Wire Applications:
Capacitor Grade Tantalum (Ta) Wire Specifications:
Diameter: 0.06 mm - 1 mm
Material: R05200, R05400;
Tantalum Tungsten Wire: R05252 (Ta2.5W), R05255 (Ta10W)
Tantalum Niobium Wire: R05240 (Ta-40Nb).
Standard: ASTM B 365
Purity: ≥99.95%, ≥99.99%
Diameter and Tolerance:
Diameter(mm) |
Tolerance(mm) |
0.06 0.10 0.11 0.15 |
±0.005 |
0.17 0.19 0.20 0.24 0.25 0.29 0.30 |
±0.006 |
0.33 0.34 0.35 0.38 0.40 0.47 0.50 |
±0.007 |
0.60 0.80 |
±0.01 |
Mechanical properties:
State |
Tensile strength(MPa) |
Elongation(%) |
Mild (M) |
300-750 |
10-30 |
Semi-hard(Y2) |
750-1250 |
1-6 |
Hard(Y) |
>1250 |
1-5 |
Antioxidant brittleness number of bending:
Grade |
Diameter (mm) |
Bending Times |
R05200 |
0.10~0.40 |
3 |
>0.40 |
4 |
|
R05400 |
0.10~0.40 |
4 |
>0.40 |
6 |
Tantalum and Tantalum Alloy
unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both. (Ta)
R05400, unalloyed tantalum, powder-metallurgy consolidation. (Ta)
R05255, tantalum alloy, 90% tantalum, 10% tungsten, electron-beam furnace of vacuum-arc melt, or both. (Ta10W)
R05252, tantalum alloy, 97.5% tantalum, 2.5% tungsten, electron-beam furnace or vacuum-arc melt, or both. ( Ta2.5W)
R05240, tantalum alloy, 60% tantalum, 40% niobium, electron-beam furnace or vacuum-arc melt. (Ta-40Nb)
Chemical Composition:
Element |
R05200 (%,Max) |
R05400 (%,Max) |
R05255 (Ta10W) / (%,Max) |
R05252 (Ta2.5W) / (%,Max) |
R05240 (Ta-40Nb) (%,Max) |
C |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
O |
0.015 |
0.03 |
0.015 |
0.015 |
0.02 |
N |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
H |
0.0015 |
0.0015 |
0.0015 |
0.0015 |
0.0015 |
Fe |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
Mo |
0.02 |
0.02 |
0.02 |
0.02 |
0.02 |
Nb |
0.1 |
0.1 |
0.1 |
0.5 |
35.0–42.0 |
Ni |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
Si |
0.005 |
0.005 |
0.005 |
0.005 |
0.005 |
Ti |
0.01 |
0.01 |
0.01 |
0.01 |
0.01 |
W |
0.05 |
0.05 |
9.0–11.0 |
2.0–3.5 |
0.05 |
Mechanical requirements (annealed condition):
Capacitor Grade Tantalum (Ta) Wire, Diameter, inch (mm) |
||||
Grade |
Diameter, inch (mm) |
Tensile strength, psi (MPa), ≥ |
Elongation (%), ≥ |
|
RO5200/RO5400 |
0.010(0.254)~0.0149(0.379) |
35000 (241) |
10 |
|
0.015(0.381)~0.0249(0.633) |
35000 (241) |
15 |
||
0.025(0.635)~0.124(3.14) |
30000 (207) |
20 |
||
RO5252 |
0.010(0.254)~0.0149(0.379) |
40000 (276) |
5 |
|
0.015(0.381)~0.0249(0.633) |
40000 (276) |
10 |
||
0.025(0.635)~0.124(3.14) |
40000 (276) |
15 |
||
RO5255 |
0.010(0.254)~0.0149(0.379) |
70000 (482) |
5 |
|
0.015(0.381)~0.0249(0.633) |
70000 (482) |
10 |
||
0.025(0.635)~0.124(3.14) |
70000 (482) |
15 |
||
RO5240 |
0.010(0.254)~0.0149(0.379) |
35000 (244) |
10 |
|
0.015(0.381)~0.0249(0.633) |
35000 (244) |
15 |
||
0.025(0.635)~0.124(3.14) |
35000 (244) |
20 |
Capacitor Grade Tantalum (Ta) Wire Packaging:
Our Capacitor Grade Tantalum (Ta) Wire are carefully packed to prevent damage during storage & transportation. Wooden crate is applied when the cargo is over weight.
Data sheet