Looking for premium 18 gauge niobium wire for your specialized applications? Shaanxi Chuanghui Daye Metal Material Co., Ltd. offers high-purity niobium wire with exceptional performance characteristics. Our commercially pure niobium wire features >99.9% purity and 1.02mm diameter, making it perfect for demanding applications in electronics, jewelry, and medical industries. With over 30 years of experience in rare metal manufacturing, we deliver consistent quality that meets your exact specifications. Our products serve customers across 50+ countries worldwide.
| Property | Specification |
|---|---|
| Alloy Composition | Nb >99.9% |
| Wire Diameter | 1.02 mm (18 gauge) |
| Maximum Length | As your requirements |
| Tensile Strength | 200–350 MPa |
| Density | 8.57 g/cm³ |
| Surface Finish | Polished |
| Melting Point | 2,477°C |
| Electrical Conductivity | 6.7×10⁶ S/m |
| Standard | ASTM B362 |
| Certificate | ISO 9001:2015 |
| Condition | Annealed |
| Production time | Normal production time need 7-15ays |
| Payment terms | 30%TT in advance, 70%balance payment before shipment |
Chemical composition
|
Material |
Main elements(%) |
Impurities (Maximum %) |
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|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
|
|
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 |
Available Grades and Materials
We supply Type-2 commercially pure niobium wire, which represents unalloyed, high-quality material. This grade offers excellent biocompatibility and corrosion resistance. Custom alloy compositions are available upon request for specific applications.
Our advanced manufacturing process begins with high-purity niobium ingots. Through precision drawing and controlled annealing, we achieve consistent diameter tolerances. Each production batch undergoes rigorous quality testing to ensure material properties meet specifications.
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Electronics: Superconducting applications, MRI magnets, particle accelerators
Medical: Surgical implants, medical devices, diagnostic equipment
Jewelry: Hypoallergenic earrings, body jewelry for sensitive skin
Aerospace: High-temperature components, specialized alloys
Research: Laboratory equipment, scientific instruments
Electronic devices
Medical implants
Steel industry
Chemical Processing
Aerospace and Defense
Energy and Environmental Engineering
Our 18 gauge niobium wire offers remarkable versatility. The material maintains strength at extreme temperatures while remaining soft and ductile at room temperature. Its six rating on the Mohs hardness scale makes it easy to work with. The polished surface finish provides excellent aesthetics for jewelry applications while ensuring optimal performance in electronic uses.
Every batch undergoes comprehensive testing including:
We provide tailored solutions including:
Products are carefully packaged in protective materials to prevent damage during transit. We offer various shipping options including air freight for urgent orders. All packages include detailed material certificates and handling instructions.

With three decades of rare metal expertise, we understand your unique requirements. Our location in China's "Titanium Capital" provides access to premium raw materials. We combine traditional craftsmanship with modern quality control systems. Our commitment to customer satisfaction drives continuous improvement in our processes.

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Q: Is niobium safe for sensitive skin?
A: Yes, pure niobium is highly biocompatible and rarely causes allergic reactions, making it excellent for sensitive ears.
Q: Can you provide shorter lengths?
A: Absolutely. We cut wire to your exact specifications.
Q: What certifications do you provide?
A: Each shipment includes material certificates detailing chemical composition and mechanical properties.
Q: How quickly can you deliver?
A: Standard delivery is 1-2 weeks. Express shipping available for urgent requirements.
Q: Do you offer technical support?
A: Yes, our experienced team provides comprehensive technical assistance throughout your project.
Our premium 18 gauge niobium wire delivers the performance and reliability your applications demand. Trust our expertise to provide the exact specifications you need.
Ready to discuss your niobium wire requirements? Our technical team is standing by to help you select the perfect material for your application.
Email: info@chdymetal.com
Contact us today for detailed quotations, technical specifications, or custom requirements. We're committed to providing the highest quality materials and exceptional service for your success.
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