Welcome to our premium niobium wire 20 gauge collection. Our high-purity niobium wire offers exceptional performance for your demanding applications. You'll find this 0.81mm diameter wire perfect for jewelry making, electronics, and specialized industrial uses. With over 99.9% niobium purity, our wire delivers the reliability you need. We manufacture each spool with precision to ensure consistent quality throughout your projects.
Our niobium wire delivers exceptional value for your applications:
| Property | Value |
|---|---|
| Alloy | Nb >99.9% |
| Diameter | 0.81 mm (20 gauge) |
| Maximum Length | as your customized |
| Tensile Strength | 200–350 MPa |
| Density | 8.57 g/cm³ |
| Surface Finish | Cold rolling Bright |
| Melting Point | 2,477°C |
| Electrical Conductivity | 6.7×10⁶ S/m |
| Standard | ASTM B362 |
| Certificate | ISO 9001:2015 |
| Condition | Annealed |
| Delivery time | Stock size will be 1-5 days,normal production time is about 15 days |
| Payment terms | 30%TT in advance,70% balance before shipment |
Chemical composition
|
Material |
Main elements(%) |
Impurities (Maximum %) |
||||||||||
|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
|
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RO4200 |
Remainder |
0.004 |
0.004 |
0.002 |
0.005 |
0.005 |
0.002 |
0.07 |
0.015 |
0.0040 |
0.0015 |
0.003 |
|
RO4210 |
Remainder |
0.01 |
0.01 |
0.005 |
0.02 |
0.01 |
0.004 |
0.10 |
0.02 |
0.01 |
0.0015 |
0.01 |
Dimensions and tolerances
|
Diameter |
Tolerance |
Roundness |
|
0.2-0.5 |
±0.007 |
0.005 |
|
0.5-1.0 |
±0.01 |
0.01 |
|
1.0-1.5 |
±0.02 |
0.02 |
|
1.5-3.0 |
±0.03 |
0.03 |
Available Grades and Materials
We offer Type-2 commercially pure niobium wire that meets the highest industry standards. This unalloyed grade ensures maximum biocompatibility and performance. You can count on consistent chemical composition across every order.
Niobium and Niobium Alloy UNS Grade
UNS R04200 Reactor grade unalloyed niobium
UNS R04210 Commercial grade unalloyed niobium
UNS R04251 Reactor grade Niobium-1% zirconium
UNS R04261 Commercial grade Niobium-1% zirconium
Our advanced manufacturing process ensures superior quality. We start with high-purity niobium ingots and use precision drawing techniques. Each step undergoes strict quality control. The final polishing process creates the smooth surface finish you expect.
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Our niobium wire 20 gauge serves diverse industries:
Electronic devices
Medical implants
Steel industry
Chemical Processing
Aerospace and Defense
Energy and Environmental Engineering
You'll appreciate the exceptional workability of our wire. The soft, ductile nature allows easy bending and shaping. The polished surface provides excellent aesthetic appeal for jewelry applications. Our wire maintains its properties even after extensive manipulation.
The superior corrosion resistance means your projects last longer. You won't see degradation in normal atmospheric conditions. This reliability makes our niobium wire 20 gauge ideal for long-term applications.
Every batch undergoes comprehensive testing before shipment. We verify chemical composition, mechanical properties, and dimensional accuracy. Our quality management system ensures consistent results you can trust.
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We welcome custom orders for specific requirements. Whether you need different lengths, special packaging, or unique specifications, we can accommodate your needs. Our engineering team works closely with you to develop solutions.
We package each order with care to prevent damage during transit. Standard spools protect the wire from contamination and tangling. We ship worldwide with reliable logistics partners to ensure timely delivery.
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Shaanxi Chuanghui Daye Metal Material Co., Ltd. brings over 30 years of rare metal expertise. Located in China's "Titanium Capital," we have unmatched access to premium materials. Our products serve customers in over 50 countries worldwide.
You benefit from our competitive pricing and reliable delivery schedules. We focus on customer satisfaction and continuous improvement. Our experienced team provides technical support throughout your project.

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Q: Is this wire suitable for sensitive ears?
A: Yes, our high-purity niobium wire is highly biocompatible and rarely causes allergic reactions.
Q: Can I solder this wire?
A: Niobium requires specialized techniques for joining. We recommend mechanical connections or specialized welding processes.
Q: What's the minimum order quantity?
A: We accommodate both small sample orders and large production quantities.
Q: How do you ensure consistent quality?
A: Every batch undergoes rigorous testing for chemical composition and mechanical properties.
Ready to order your niobium wire 20 gauge? Our team stands ready to help with your requirements. Contact us today for pricing, technical specifications, or custom solutions.
Email: info@chdymetal.com
Mob./what's app: 86-18049386902
We look forward to serving your niobium wire needs with our premium quality products and exceptional service.

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