Niobium Ring

CAS Number:	7440-03-1
Standard:	ASTM B394
Purity:	99.9%, 99.95%, 99.99%
Surface:	Polished
Size:	Outer Diameter: 3.0-150 mm, Thickness: 1.0-25.0 mm
Material Grade:	R04200-Type 1 -Reactor grade unalloyed niobium R04210-Type 2 -Commercial grade unalloyed niobium

 

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Product Description

Niobium rings are specialized components made from high-purity niobium metal, prized for their superior strength, ductility, and exceptional resistance to corrosion and oxidation. These rings are commonly used in various high-performance applications such as vacuum systems, chemical processing equipment, and advanced industrial machinery.

Their biocompatibility makes them ideal for medical and aerospace applications, while their non-magnetic and hypoallergenic properties allow for use in sensitive environments and personal wearable products. Available in customized dimensions, these rings serve critical roles in both functional and decorative capacities.

 

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Features and Properties

High Corrosion Resistance: Excellent durability in harsh chemical environments.

Thermal Stability: Withstands extreme temperatures without deformation or degradation.

Hypoallergenic: Safe for use in medical and wearable applications.

Non-Magnetic: Suitable for sensitive applications, such as MRI equipment.

Ease of Machining: Can be shaped with high precision for complex designs.

 

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Product Standards

ASTM B394: Specification for niobium and niobium alloy products.

ISO 9001: Quality assurance for manufacturing processes.

RoHS Compliance: Free from hazardous substances.

 

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Product Forms

Solid Rings: For industrial and decorative applications.

Hollow Rings: Ideal for lightweight applications requiring precise dimensional control.

Custom Designs: Tailored to meet specific functional or aesthetic needs.

 

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Production Method and Production Equipments

Production Methods:

Hot Forging and Rolling: Creates uniform rings with excellent mechanical properties.

Precision Machining: Achieves tight tolerances for demanding applications.

Vacuum Annealing: Enhances ductility and eliminates internal stresses.

Production Equipments:

CNC Machining Centers: For accurate shaping and finishing.

Vacuum Furnaces: Ensures purity and removes impurities.

Coordinate Measuring Machines (CMM): For quality control and dimensional accuracy.

 

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Applications and Related Industries

Aerospace: Used in jet engines, structural components, and fuel delivery systems.

Medical Equipment: Fabricated into implantable devices and surgical tools.

Chemical Processing: Handles corrosive substances in reaction chambers and piping systems.

Energy: Integral to high-temperature equipment in power generation plants.

Jewelry and Wearables: Hypoallergenic and durable for custom designs.

 

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Interesting Facts

Jewelry: Niobium's ability to form vibrant anodized colors makes it popular in jewelry.

Space Technology: Niobium rings are used in satellites and space probes due to their lightweight and high-performance properties.

Superconductivity: Niobium-based rings are critical in magnetic resonance imaging (MRI) and particle accelerators.

 

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Synonyms

Nb Ring

High-Purity Niobium Ring

Niobium Alloy Ring

 

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Health & Safety Information

Handling and Storage:

Store in a clean, dry environment to prevent contamination.

Use protective handling tools to avoid damage to precision surfaces.

Safety Precautions:

Machining should be performed in well-ventilated areas.

Avoid exposure to niobium dust during fabrication.

Disposal:

Recycle through authorized facilities for niobium recovery.

Follow local regulations for disposal of metallic waste.

 

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Why Choose Us for Niobium Rings?

Superior Quality: Manufactured using state-of-the-art technology and premium-grade niobium.

Customization Options: Tailored dimensions, finishes, and designs to meet diverse needs.

Expertise in Rare Metals: Decades of experience in providing niobium products for critical applications.

Global Reach: Reliable supply chain and fast delivery worldwide.

Contact us today to discuss your requirements for niobium rings and receive a custom quote!

 

Chemical Composition

Composition%
Material	Main Content	Impurities (no more than %)
	Nb	Fe	Si	Ni	W	Mo	Ti	Ta	O	C	H	N
R04200	Remaining	0.004	0.004	0.002	0.005	0.005	0.002	0.05	0.012	0.0035	0.0012	0.003
R04210	Remaining	0.01	0.01	0.005	0.02	0.01	0.004	0.07	0.015	0.0050	0.0015	0.005

Mechanical Specification (annealed condition)

Grade	Tensile strength δbpsi (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

Chemical Identifiers

Linear Formula	Nb
MDL Number	MFCD00011126
EC No.	231-113-5
Beilstein/Reaxys No.	N/A
Pubchem CID	23936
SMILES	[Nb]
InchI Identifier	InChI=1S/Nb
InchI Key	GUCVJGMIXFAOAE-UHFFFAOYSA-N

Niobium Ring Properties (Theoretical)

Molecular Weight	92.9
Appearance	Silvery
Melting Point	2468 °C
Boiling Point	4742 °C
Density	8.57 g/cm3
Solubility in H2O	N/A
Electrical Resistivity	12.5 microhm-cm @ 0 °C
Electronegativity	1.6 Paulings
Heat of Vaporization	N/A
Poisson's Ratio	0.4
Specific Heat	0.064 Cal/g/K @ 25 °C
Tensile Strength	N/A
Thermal Conductivity	0.537 W/cm/K @ 298.2 K
Thermal Expansion	7.3 µm/(m·K)
Vickers Hardness	1320 MPa
Young's Modulus	105 GPa

 

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