Product Overview
Niobium rods are cylindrical bars manufactured from high-purity niobium (Nb) or niobium alloys such as Nb-Zr and Nb-Ta. These rods are widely used in high-end applications including aerospace, chemical processing, electronics, and nuclear energy due to their exceptional properties: extremely high melting point, excellent corrosion resistance, good low-temperature ductility, and superconducting characteristics at cryogenic temperatures.
Chemical Composition (%)
|
Element |
Content |
Element |
Content |
|
Nb |
99.9% |
Mo |
0.0011 |
|
Ta |
0.017 |
Ti |
0.0015 |
|
O |
0.13 |
Al |
0.0036 |
|
N |
0.011 |
Cu |
≤0.003 |
|
C |
0.027 |
Cr |
≤0.005 |
|
Si |
≤0.005 |
Ni |
≤0.01 |
|
Fe |
0.0045 |
Zr |
≤0.02 |
|
W |
0.0041 |
Physical Properties
|
Niobium Bar |
Tensile Strength, MPa (min) |
Yield Strength, MPa |
Elongation, % (min) |
|
99.99% |
125 |
73 |
25 |
Diameter Tolerance
|
Diameter (mm) |
Tolerance ± (mm) |
|
0.254-0.51 |
0.013 |
|
0.51-0.76 |
0.019 |
|
0.76-1.52 |
0.025 |
|
1.52-2.29 |
0.038 |
|
2.29-3.18 |
0.051 |
|
3.18-4.750 |
0.076 |
|
4.750-9.53 |
0.102 |
|
9.53-12.70 |
0.127 |
|
12.70-15.9 |
0.178 |
|
15.9-19.1 |
0.203 |
|
19.1-25.40 |
0.254 |
|
25.40-38.10 |
0.381 |
|
38.10-50.80 |
0.508 |
|
50.80-63.50 |
0.762 |
Applications
|
Industry |
Typical Applications |
|
Aerospace |
Engine structural components, rocket nozzles, nuclear reactor internal components, high-temperature alloy rods for spacecraft |
|
Chemical Processing |
Corrosion-resistant vessels, pumps, valves, reactor linings, gettering materials (gas absorption) |
|
Electronics |
High-pressure sodium lamp anodes, superconducting magnets, electronic packaging, semiconductor vacuum equipment |
|
Nuclear Energy |
Nuclear reactor control rods, radiation shielding components |
|
Other Applications |
Medical devices (e.g., implants), high-temperature heat exchangers, scientific research apparatus |
Key Advantages & Characteristics
Extremely High Melting Point (~2470°C), suitable for extreme high-temperature environments
Excellent Corrosion Resistance: Minimal corrosion rates in most acids, alkalis, and oxidizing agents
Good Low-Temperature Ductility: Maintains workability at -260°C and exhibits superconducting properties at cryogenic temperatures
Gas Absorption Capacity: Functions as a gettering material to enhance vacuum system cleanliness
Superior Processability: Can be manufactured into rods, bars, wires, and plates through forging, extrusion, hot/cold rolling, and annealing processes
High Purity with Low Impurities: Impurity levels at ppm grades ensure high material reliability
Common Grades & Conditions
|
Grade |
Primary Characteristics |
Standard |
|
R04200 (Nb1) |
Pure niobium for reactor-grade applications |
ASTM B392 |
|
R04210 (Nb2) |
Commercial-grade pure niobium |
ASTM B392 |
|
R04251 (Nb-Zr 1%) |
1% zirconium content for improved oxidation resistance |
ASTM B392 |
|
R04261 (Nb-Zr 1% Commercial) |
Commercial grade with 1% zirconium |
ASTM B392 |
|
R04220 (RRR >200) |
High residual resistance ratio (RRR) niobium for superconducting applications |
ASTM B392 |
|
Nb1 / Nb2 |
GB/T 14842-2007 grades, available in annealed or hard condition |
GB/T 14842-2007 |
Selection & Usage Guidelines
Verify Purity & Impurity Limits: Select appropriate grades based on application requirements (e.g., lower O and N content for nuclear applications)
Choose Proper Condition: Annealed (M) condition recommended for optimal elongation before processing; hard (Y) condition suitable for high-strength components requiring no further processing
Packaging & Protection: Niobium rods are susceptible to surface scratching; recommend wooden crates or moisture-proof packaging with protection against strong oxidizing agents
Processing Considerations: Perform hot working in vacuum or inert atmosphere to prevent contamination by oxygen, nitrogen, and carbon
FAQ:
Do you provide samples?
A: Yes, we offer complimentary samples with shipping arranged by the customer. We recommend testing samples or placing trial orders before larger purchases.
Q: How competitive are your prices?
A: Our pricing reflects exceptional value when considering the premium quality and comprehensive service we provide.
Q: What is your quotation turnaround time?
A: Typically 24 hours after inquiry receipt. Urgent requests receive priority handling upon notification.
Q: How do I request custom products?
A: Please share your drawings, images, or samples. We will confirm specifications and promptly initiate production.
Contact:
About STRX Titanium – Why Choose Us?
Premium Materials：We select premium raw materials to ensure quality control from the source.
Rigorous Quality Inspection：Strict quality inspection standards are implemented to ensure 100% compliance with customer requirements.
Customized Solutions：We understand that each industry has unique needs. Our team works closely with clients to tailor products based on specific requirements. We customize all titanium products (color/size, etc.) according to customer drawings or ideas.
Fast Delivery：Advanced production management ensures efficient and prompt delivery from production to shipment.
Expert Support：Gain insights from our dedicated expert team, who provide professional advice and practical assistance. STRX Titanium helps you identify and select the best solutions tailored to your business needs, ensuring optimal results and satisfaction.
STRX Titanium has earned consistent praise from clients for high-quality products and competitive pricing. With strict quality control and professional technical support, we look forward to cooperating with you!
In Summary,STRX Titanium is a leading manufacturer and supplier of titanium products in China. We maintain strong technical partnerships with major domestic and international equipment manufacturers and uphold rigorous quality standards to meet client demands.
If you are looking for a reliable titanium product supplier, please contact us immediately to learn more about our products and services.
Email: info@strx-titanium.com
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