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Features
|
CAS Number: |
7440-03-1 |
|
Purity: |
99.9%, 99.95%, 99.99% |
|
Standard: |
ASTM B393, ASTM B394 |
|
Surface： |
Polished |
|
Dimensions： |
per drawings |
|
Material Grade: |
R04200-Type 1 -Reactor grade unalloyed niobium R04210-Type 2 -Commercial grade unalloyed niobium |
Product Description
Niobium flanges are precision-engineered components designed for applications requiring robust, corrosion-resistant, and thermally stable connections. Fabricated from high-purity niobium, these flanges are ideal for joining pipes, valves, and other equipment in systems that demand exceptional chemical resistance and structural reliability. Commonly used in industries like chemical processing, aerospace, and medical technologies, niobium flanges perform excellently under extreme temperatures and harsh environments.
Niobium's unique combination of properties, including its ductility, high melting point, and biocompatibility, ensures long-term performance in critical applications. Available in a wide range of standards and sizes, niobium flanges are also customizable to meet specific project needs.
Features and Properties
High Corrosion Resistance: Performs well in aggressive chemical environments, including hydrofluoric acid.
Exceptional Thermal Stability: Retains mechanical integrity at high temperatures (melting point: 2,468°C).
Ductility: Offers ease of machining and forming into various shapes and dimensions.
Low Density: Combines strength with lightweight properties for demanding applications.
Biocompatibility: Suitable for medical and pharmaceutical systems.
Product Specifications
Material: Niobium (Nb)
Purity: ≥99.95%
Dimensions:
Diameter: Customizable (e.g., 10 mm–500 mm)
Thickness: From 1 mm to 10 mm or as required
Standards: ANSI, ASME, DIN, and other custom standards
Finish: Polished, machined, or acid-cleaned
Product Standards
ASTM B393, ASTM B394: Specification for Niobium and Niobium Alloy Products
ISO 9001: Ensures quality and precision in manufacturing
RoHS Compliance: Free from hazardous substances
Custom Standards: Tailored to meet specific project requirements
Production Method and Production Equipments
Production Methods:
Vacuum Melting: Produces high-purity niobium ingots.
Forging and Machining: Shapes the material into precise flange designs.
Surface Finishing: Enhances corrosion resistance and aesthetic appearance.
Production Equipments:
CNC Machines: Ensure precision cutting and shaping.
Vacuum Furnaces: Maintain material purity during production.
Inspection Tools: Verify dimensional accuracy and quality compliance.
Applications and Related Industries
Chemical Processing: For handling corrosive acids and aggressive reagents.
Aerospace and Defense: Connects high-performance components in jet engines and spacecraft.
Semiconductor Manufacturing: Flanges used in vacuum systems for clean environments.
Medical Industry: Biocompatible flanges for use in sterilized systems.
Power Generation: Ideal for components in nuclear and hydrogen energy systems.
Interesting Facts
Vacuum-Compatible Material: Niobium flanges are widely used in ultra-high vacuum (UHV) applications for their chemical inertness and low outgassing.
Superconducting Properties: Niobium plays a key role in advanced technologies like particle accelerators and MRI machines.
Recyclable Metal: Niobium is 100% recyclable, promoting sustainable usage in various industries.
Strategic Resource: Niobium is considered a critical material due to its unique properties and limited supply sources.
Synonyms
Nb Flange
High-Purity Niobium Flange
Corrosion-Resistant Niobium Flange
Vacuum Niobium Flange
Health & Safety Information
Handling and Storage:
Store in a dry, clean area to prevent oxidation.
Use appropriate tools to avoid scratches or dents on the surface.
Safety Notes:
Ensure proper ventilation if machining generates fine niobium dust.
Wear protective gloves and goggles when handling flanges.
Disposal:
Recycle through appropriate metal recovery systems.
Follow local regulations for industrial metal disposal.
Why Choose Us for Niobium Flanges?
Unmatched Quality: Crafted with precision and guaranteed purity.
Tailored Solutions: Custom designs to meet unique operational requirements.
Global Supply Network: Reliable delivery to any part of the world.
Competitive Pricing: Affordable without compromising performance.
Contact us today for customized niobium flange solutions!
Types of Our Niobium Flanges
● Niobium Slip On Flange
● Niobium Long Weld Neck Flange
● Niobium Weld Neck Flange
● Niobium Blind Flange
● Niobium Lap Joint Flange
● Niobium Threaded Flange
● Niobium Companion Flange
● Niobium Socket Weld Flange
● Niobium Orifice Flange
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 |
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 Flange 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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