Niobium Hafnium Alloy Sheet and Board

Material:	R04295 (Nb-10Hf), Nb-10W-10Hf, C103, C-129Y
Standard:	ASTM B393
Purity:	99.9%, 99.95%, 99.99%
Size:	Thickness 0.1-10 mm, Width 30-1000 mm, Length 50-2000 mm
Surface:	Polished

 

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Product Description

Niobium Hafnium Alloy Sheet and Board are advanced materials designed for industries requiring exceptional heat resistance, corrosion resistance, and mechanical stability. Composed primarily of niobium with a controlled percentage of hafnium, these alloys are tailored for applications in extreme environments such as aerospace, nuclear reactors, and high-temperature chemical processes.

Niobium Hafnium alloys are known for their outstanding ability to withstand prolonged exposure to temperatures exceeding 2,000°C while maintaining excellent machinability and structural integrity. These sheets and boards are precision-manufactured to meet exacting industry standards, ensuring uniformity in thickness, surface finish, and mechanical performance. Their versatility makes them an essential component in cutting-edge technological innovations.

 

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Features and Properties

High Melting Point: Exceptional heat resistance, ideal for use in ultra-high-temperature environments.

Oxidation Resistance: Withstands exposure to oxidizing atmospheres, extending service life in critical applications.

Ductility: Retains excellent formability, making it suitable for fabrication into complex shapes.

Chemical Stability: Resistant to corrosion by most acids, alkalis, and high-temperature salts.

Thermal Shock Resistance: High resilience to rapid temperature changes.

 

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Product Standards

ASTM B393 – Standard Specification for Niobium and Niobium Alloy Strip, Sheet, and Plate.

ISO 2768 – General Tolerances for Niobium Alloy Sheets.

 

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Product Forms

Sheet: Available in thicknesses starting from 0.5 mm, with smooth or polished finishes.

Board: Custom sizes and thicknesses up to 50 mm.

 

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Production Method and Production Equipment

Vacuum Arc Melting: Raw niobium and hafnium are alloyed under vacuum to achieve a homogeneous composition.

Rolling: The alloy is hot-rolled or cold-rolled into sheets or boards with precise thickness control.

Annealing: Performed in vacuum furnaces to enhance ductility and remove residual stresses.

Surface Finishing: Acid cleaning and polishing ensure a defect-free, high-quality finish.

Key Equipment: Vacuum arc furnaces, precision rollers, annealing chambers, and chemical etching units.

 

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Applications and Related Industries

Aerospace: Used in rocket nozzles, jet engine components, and thermal shielding.

Energy Sector: Essential in nuclear reactor components and heat exchangers.

Electronics: Applied in the production of semiconductor components and thin films.

Chemical Industry: Suitable for high-temperature corrosive environments like acid processing plants.

 

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Interesting Facts

Niobium Hafnium alloys exhibit superconductivity at cryogenic temperatures, opening doors for applications in quantum computing.

Hafnium strengthens niobium while improving its resistance to thermal creep, making it indispensable for turbine applications.

This alloy has been critical in space exploration missions due to its ability to endure the harsh conditions of outer space.

 

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Synonyms

Nb-Hf Alloy Sheet

Niobium Hafnium Plate

 

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Health & Safety Information

Handling Precautions: Avoid creating dust during machining; use protective gear.

Storage: Store in a dry environment to prevent surface oxidation.

Recyclability: Fully recyclable, aligning with sustainable manufacturing practices.

 

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