When you need superior performance materials for demanding applications, our niobium round rods deliver exceptional quality and reliability. These high-purity metal bars offer outstanding corrosion resistance, excellent biocompatibility, and remarkable superconducting properties. With over 99.9% niobium content, our round bars meet the strictest industry standards for aerospace, medical, and chemical processing applications. Each bar undergoes rigorous quality testing to ensure you receive consistent, dependable materials that perform exactly as expected in your critical projects.
Our premium round bars provide several compelling advantages for your projects:
| Property | Specification |
|---|---|
| Alloy Composition | Nb >99.9% |
| Diameter Range | 1–50 mm |
| Maximum Length | Customized |
| Density | 8.57 g/cm³ |
| Tensile Strength | 200–350 MPa |
| Surface Finish | Polished |
| Melting Point | 2477°C |
| Crystal Structure | Body-centered cubic |
| Certificate | ISO 9001:2015 |
| Standard | ASTM B 392 |
| Purity | 99.95%min |
| Delivery time | Normal time 10-15 days |
| Payment term | 30%TT in advance, 70%Balance before payment |
We offer various grades to meet your specific requirements:
Chemical composition
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Material |
Main elements(%) |
Impurities (Maximum %) |
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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 |
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RO4210 |
Remainder |
0.01 |
0.01 |
0.005 |
0.02 |
0.01 |
0.004 |
0.10 |
0.02 |
0.01 |
0.0015 |
0.01
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Niobium Round rods Mechanical Properties
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Grade |
Tensile strength psi(MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
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>=0.010 |
<0.010 |
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RO4200 RO4210 |
18000 (125) |
12000 (85) |
25 |
20 |
Manufacturing Process
Our advanced manufacturing process ensures consistent quality. We start with premium raw materials and use vacuum melting techniques. The material undergoes careful forging and rolling to achieve precise dimensions. Multiple heat treatments optimize the mechanical properties. Finally, we apply surface polishing and conduct thorough quality inspections.
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These versatile materials serve numerous industries:
Aerospace Industry: Jet engine components, rocket parts, and spacecraft structures benefit from the material's high-temperature stability and lightweight properties.
Medical Sector: Prosthetics, implants, and surgical instruments utilize the biocompatible nature of the metal.
Chemical Processing: Equipment handling corrosive substances relies on the excellent chemical resistance.
Electronics: Superconducting applications and specialized electronic components use these materials.
Research Facilities: Laboratory equipment and experimental setups require the high purity grades.
Electronic devices
Medical implants
Steel industry
Chemical Processing
Aerospace and Defense
Energy and Environmental Engineering
We maintain tight tolerances to ensure your projects succeed:
The unique properties make these bars ideal for demanding applications. The soft, ductile nature allows for complex forming operations. You can easily machine, weld, and shape the material to your specifications. The excellent thermal conductivity ensures even heat distribution in your applications.
The natural oxide layer provides additional corrosion protection. This self-passivating property means the material remains stable in various environments. The low magnetic susceptibility makes it suitable for sensitive electronic applications.
Every batch undergoes comprehensive testing protocols. We verify chemical composition using advanced spectroscopy. Mechanical properties receive validation through standardized testing procedures. Dimensional accuracy gets confirmed with precision measurement equipment.
Our quality management system follows international standards. Each product ships with detailed test certificates. We maintain full traceability from raw materials to finished products.
We understand that standard sizes don't always meet your needs. Our experienced team works with you to develop custom solutions. We can modify dimensions, surface treatments, and packaging to match your requirements.
Whether you need special lengths, unique diameters, or specific surface finishes, we have the capabilities to deliver. Our engineering team provides technical support throughout the customization process.
Your materials receive careful packaging to prevent damage during transit. We use protective foam and rigid containers for smaller quantities. Larger orders ship in custom wooden crates with secure blocking and bracing.
All packages include proper labeling and documentation. We work with reliable shipping partners to ensure timely delivery worldwide. Tracking information helps you monitor your shipment progress.
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Located in China's "Titanium Capital," Shaanxi Chuanghui Daye Metal Material Co., Ltd. brings over 30 years of rare metal expertise to every project. Our founder's extensive industry experience ensures you receive knowledgeable guidance and superior products.
We serve customers in over 50 countries, building lasting relationships through reliable quality and exceptional service. Our commitment to customer satisfaction drives continuous improvement in all aspects of our business.

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Q: What's the minimum order quantity?
A: We accommodate both small research quantities and large production orders. Contact us to discuss your specific needs.
Q: Can you provide material certificates?
A: Yes, every shipment includes comprehensive test certificates with chemical composition and mechanical properties.
Q: What's the typical delivery time?
A: Standard products ship within 1-2 weeks. Custom orders may require additional time depending on specifications.
Q: Do you offer technical support?
A: Absolutely. Our experienced team provides technical guidance for material selection and application questions.
Ready to discuss your niobium round rods requirements? Our knowledgeable team stands ready to help you find the perfect solution for your project. Whether you need standard products or custom specifications, we're here to support your success.
Email: info@chdymetal.com
Contact us today to receive a detailed quotation and technical specifications for your application. We look forward to becoming your trusted partner for high-quality materials.
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