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MetalsTek Engineering is a trusted Supplier of capacitor-grade Tantalum Wire. We provide various capacitor-grade tantalum products, including powders and wires.
Material: R05200, R05400, R05252 (Ta2.5W), R05255 (Ta10W), R05240 (Ta40Nb)
Purity: 99.9%, 99.95%
Standard: ASTM B365, ASTM F560 (Medical Grade)
Size Range: Diameter 0.1~4mm / 0.004″~0.5″
0.10mm～0.15mm, tolerance:±0.005
>0.15mm～0.30mm, tolerance: ±0.006
0.30mm, tolerance: ±0.007
Tantalum Wire is a type of wire made from the rare and highly dense metal tantalum. It is known for its excellent corrosion resistance and good thermal conductivity. Tantalum Wire can take hydrogen, oxygen, and nitrogen away from the atmosphere and is ideal for vacuum applications in the lighting industry. It is used in various industries and applications, including electronics, medical, aerospace, and industrial. It can also be used for electrolytic capacitors, electrodes, and rectifiers to make flakes or sewing threads. The typical purity can be 99.5% to 99.99%.
| Grade | R05200 | R05400 | R05255 | R05252 | R05240 |
|---|---|---|---|---|---|
| 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 |
| Product Condition | Tensile Strength (MPa) | Elongation (%) | Wire Curl |
| Annealed | 300～600 | 10～30 | 1000 |
| Half Annealed | >600～1000 | <5 | 650 |
| Unannealed | >1000 | <5 | 650 |
Tantalum Wire is a versatile material with unique properties, making it suitable for various applications. Here are some common applications of tantalum wire:
The specific applications of tantalum wire can vary based on the diameter, purity, and other characteristics of the wire, tailored to meet the requirements of different industries.
Tantalum wire is labeled for identification and packed to reduce handling damage during storage and transportation. If your project requires spooling, individual protection, or a specific label format, include those requirements in the RFQ.
Choosing a wire grade and preparing an RFQ? Our Tantalum Wire Buyer Guide covers diameter, condition, inspection requirements, and the information to send with your drawing.
