Welcome to Baoji Freelong New Material Technology Development Co., Ltd., where we specialize in manufacturing premium niobium bars for diverse industrial applications. Our pure niobium bars offer exceptional performance with diameters ranging from 3-120 mm and lengths from 500-2000 mm. You'll find our products meet the highest quality standards with 99.95% purity and full ASTM B392 compliance. Each bar undergoes vacuum annealing for optimal metallurgical properties and features a bright, professional finish that's ready for your critical applications.
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| Grade | RO4200 | RO4210 | Nb1 | Nb2 | NbZr1 | C-103 | |
| Content (max. wt%) |
Zr | 0.02 | 0.02 | 0.02 | 0.02 | 0.8~1.2 | 0.7 |
| Ti | 0.02 | 0.03 | 0.002 | 0.005 | 0.02 | 0.7~1.3 | |
| C | 0.01 | 0.01 | 0.01 | 0.02 | 0.01 | 0.015 | |
| N | 0.01 | 0.01 | 0.015 | 0.05 | 0.01 | 0.015 | |
| O | 0.015 | 0.025 | 0.015 | 0.025 | 0.015 | 0.023 | |
| H | 0.0015 | 0.0015 | 0.001 | 0.005 | 0.0015 | 0.002 | |
| Ta | 0.1 | 0.3 | 0.1 | 0.25 | 0.1 | 0.5 | |
| Fe | 0.005 | 0.01 | 0.005 | 0.03 | 0.005 | - | |
| Si | 0.005 | 0.005 | 0.005 | 0.02 | 0.005 | - | |
| W | 0.03 | 0.05 | 0.03 | 0.05 | 0.03 | 0.5 | |
| Ni | 0.005 | 0.005 | 0.005 | 0.01 | 0.005 | - | |
| Mo | 0.01 | 0.02 | 0.01 | 0.05 | 0.01 | - | |
| Cr | 0.002 | - | 0.002 | 0.01 | 0.002 | - | |
| Hf | 0.02 | 0.02 | - | - | - | 9.0~11.0 | |
| Nb | Remain | Remain | Remain | Remain | Remain | Remain | |
Our niobium bars deliver consistent performance across demanding applications:
You can rely on our niobium products for several key advantages:
Your niobium bars arrive safely through our comprehensive shipping process. We use protective packaging materials and secure crating methods. Our logistics team coordinates with reliable carriers for timely delivery worldwide.
Ready to discuss your niobium requirements? We're here to help:
Email: jenny@bjfreelong.com
WhatsApp: +86 13571190943
Our technical team responds quickly to inquiries and provides detailed quotations. We welcome the opportunity to become your trusted niobium bars supplier.
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Baoji Freelong New Material Technology Development Co., Ltd. - Your reliable partner for premium niobium products and exceptional service.










Baoji Freelong New Material Technology Development Co., Ltd loated in Baoji City--China's Titanium Valley,we are mainly doing Zirconium,Titanium,Nickel,Niobium,Tantalum etc metal material and other alloy's produce,OEM and Sales.and also exporting the goods what we make. we have a lot of trustful clients and partner.and also we were authority by some firms.At present,we were build our relationship with Australia,Korea,German,US,UK,Malaysia,AZ,Middle East,Taiwan,Etc. Our company always take the quality and service as our responsibility,We always get close even match the quality what our customer wanted and as for quality,we never say no and no reason for quality failure.
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WhatsApp&Wechat: 86 13571190943
E-mail:jenny@bjfreelong.com
Address: No.188. Gaoxin Ave, Baoji City, Shannxi, China.

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