China Customized pure niobium round bars Wholesale Suppliers Factory

Product Introduction

Welcome to Shaanxi Chuanghui Daye Metal Material Co., Ltd., your trusted partner for premium pure niobium round bars. Our high-quality niobium round bars feature exceptional purity levels exceeding 99.9%, making them ideal for demanding industrial applications. You can rely on our expertise in rare metal manufacturing to deliver products that meet your exact specifications. We offer diameters ranging from 3mm to 350mm with length is customized, ensuring you find the perfect solution for your project needs.

Key Features and Benefits

Our niobium round bars deliver outstanding performance across multiple applications. You'll appreciate their excellent corrosion resistance, superior thermal stability, and remarkable biocompatibility. These properties make them perfect for electronic components, chemical processing equipment, and medical devices. The exceptional ductility allows for easy machining and forming operations. You can count on consistent quality and reliable performance in even the most challenging environments.

Technical Specifications

Property	Specification
Alloy Composition	Nb >99.9%
Diameter Range	3–350 mm
Maximum Length	customized
Density	8.57 g/cm³
Tensile Strength	200–350 MPa
Melting Point	2,477°C
Surface Finish	Polished or as-rolled
Standard Compliance	ASTM, EN, DIN, JIS
Certificate	ISO 9001:2015
Condition	Annealed
Delivery time	Normal production time need 10-15 working days
Payment terms	30%TT in advance, 70% balance before shipment
Standard	ASTM B365

Chemical composition

Material	Main elements(%)	Impurities (Maximum %)
Material	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

Niobium Round Bar Mechanical Properties

Grade	Tensile strength psi(MPa), ≥	Yield strength δ0.2, psi (MPa),≥	Elongation in 1"/2" gage length, %, ≥
			>=0.010	<0.010
RO4200 RO4210	18000 (125)	12000 (85)	25	20

Available Grades and Materials

We supply unalloyed niobium with purity levels exceeding 99.9%. Our material meets international standards for commercial applications. You can choose from various surface finishes including polished, ground, or as-rolled conditions. Each grade undergoes rigorous testing to ensure consistent quality and performance.

Manufacturing Process

Our advanced manufacturing process begins with premium raw materials sourced from reliable suppliers. We employ state-of-the-art vacuum melting techniques to achieve superior purity levels. The forging and rolling processes are carefully controlled to maintain optimal grain structure. Heat treatment procedures ensure consistent mechanical properties throughout each bar.

Electron beam melting

Forging

Rolling

Machining and forming

Dimension inspection

Packaging

Applications and Industries

Pure niobium round bars find extensive use across diverse industries. Electronics manufacturers utilize them for capacitor production and superconducting applications. Chemical processing plants benefit from their exceptional corrosion resistance. The aerospace industry values their high-temperature performance capabilities. Medical device manufacturers appreciate their biocompatibility for implant applications. You'll also find them in nuclear reactors and specialized alloy production.

Be used in a wide range of industries.

Electronic devices

Medical implants

Steel industry

Chemical Processing

Aerospace and Defense

Energy and Environmental Engineering

Product Dimensions and Tolerances

We maintain strict dimensional tolerances to meet your precise requirements. Standard diameter tolerances range from ±0.05mm to ±0.1mm depending on size. Length tolerances are typically ±5mm for standard products. Custom dimensions are available upon request with specialized tolerances for critical applications.

Product Features in Detail

The exceptional purity of our niobium round bars ensures superior performance characteristics. You'll notice their bright metallic luster and smooth surface finish. The material exhibits excellent cold-working properties without cracking or splitting. Thermal expansion coefficients remain stable across temperature ranges. These features make pure niobium round bars ideal for precision applications requiring dimensional stability.

Quality Assurance and Testing

Every batch undergoes comprehensive quality testing including chemical composition analysis, mechanical property testing, and dimensional verification. We maintain ISO certification standards throughout our manufacturing process. Material certificates accompany each shipment providing complete traceability. Our quality control team ensures consistent product performance meeting your specifications.

iso certificate

OEM & Customization Services

We welcome custom orders tailored to your specific requirements. Our engineering team works closely with you to develop specialized dimensions, surface finishes, or packaging options. Whether you need unique lengths, special tolerances, or specific surface treatments, we can accommodate your needs. Contact us to discuss your customization requirements.

Packaging and Shipping

Products are carefully packaged to prevent damage during transit. We use protective wrapping and cushioning materials appropriate for the product size and destination. Standard shipping options include air freight and ocean transport. Express delivery services are available for urgent orders. All shipments include proper documentation and material certificates.

Why Choose Us

1.You can get the perfect material according to your requirement at the least possible price.

2.We offer FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.

3. we provide raw material test certificate to the final dimensional statement.(Reports will show on requirement)

4. You can get stock alternatives, usually stock size we can arrange 1-3 days quick delivery to save your time.

5.We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.

Certification

FAQs

Q: What purity levels do you offer for niobium round bars?

A: Our pure niobium round bars exceed 99.9% purity, meeting the highest industry standards.

Q: Can you provide custom dimensions?

A: Yes, we offer customization services for diameter, length, and surface finish requirements.

Q: What industries commonly use niobium round bars?

A: Electronics, chemical processing, aerospace, medical devices, and nuclear applications are primary markets.

Q: Do you provide material certificates?

A: Yes, complete material certificates accompany every shipment for quality assurance and traceability.

Contact Us

Ready to discuss your niobium round bar requirements? Our experienced team is here to help you find the perfect solution. Contact us today at info@chdymetal.com for detailed quotations, technical specifications, or customization options. We look forward to serving your metal material needs with our premium pure niobium round bars and exceptional customer service.