Tantalum Niobium Alloy Foil and Strip

Linear Formula:	TaNb
Standard:	ASTM B708
Purity:	≥99.9% or 99.95%
Size:	Thickness: 0.01-0.09 mm, Width: 30-200 mm, Length: > 50 mm
Material Grade:	R05240 (Ta-40Nb) Tantalum Niobium Alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.

 

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Product Description

Tantalum Niobium Alloy Foil and Strip are ultra-thin metal products engineered for precision applications in industries requiring exceptional corrosion resistance, mechanical strength, and high-temperature performance. This alloy combines the unique properties of tantalum and niobium, offering enhanced flexibility and stability across a range of demanding environments, such as aerospace, medical devices, and electronics.

 

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Features and Properties

Corrosion Resistance: Exceptional resistance to acidic and alkaline environments, making it suitable for chemical processing.

High-Temperature Stability: Maintains structural integrity under extreme thermal conditions.

Flexibility and Ductility: Excellent for shaping into complex designs without compromising strength.

Biocompatibility: Ideal for medical implants due to its inert nature.

Thermal and Electrical Conductivity: Effective for electronic components operating under varying temperatures.

 

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Product Specifications

Thickness: 0.02 mm to 2 mm

Width: Up to 400 mm

Length: Customizable based on requirements

Purity: ≥ 99.5% (combined tantalum and niobium)

Tensile Strength: Tailored to meet application-specific needs

Surface Finish: Polished, matte, or custom finishes available

 

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Product Standards

ASTM B708

ISO 9001 Certified Production

RoHS and REACH Compliant

 

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Product Forms

Foil (Ultra-thin sheets)

Strip (Continuous rolled forms)

 

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Production Method and Production Equipments

Method:
Advanced metallurgy techniques, including vacuum arc melting, hot and cold rolling, and annealing, are used to achieve the desired mechanical and physical properties.

Key Equipment:

Vacuum Arc Furnace

Rolling Mill (Hot and Cold Rolling)

Annealing Furnace

Precision Cutting Machines

 

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Applications and Related Industries

Aerospace: Fuel system components, heat shields, and high-temperature sensors.

Medical Devices: Surgical implants, pacemaker cases, and dental instruments.

Electronics: Capacitors, semiconductors, and high-frequency components.

Chemical Processing: Lining for reactors, heat exchangers, and pipework in corrosive environments.

 

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Interesting Facts

Tantalum-Niobium alloys were first explored in the mid-20th century for use in jet engines due to their combined high strength and resistance to oxidation.

This alloy is highly sought after for its ability to maintain stability in environments exceeding 1,500°C.

 

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Synonyms

TaNb Foil

Tantalum-Niobium Strips

Tantalum-Niobium Alloy Sheets

 

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Health & Safety Information

Non-Toxic: The alloy is safe for use in medical and food-grade applications.

Dust Precautions: Handling in powdered form should include proper ventilation to avoid inhalation risks.

Storage Guidelines: Store in a dry, cool environment to maintain material integrity.

 

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Why Choose Us?

Unmatched Quality: Our Tantalum Niobium Alloy Foil and Strip are produced using state-of-the-art technology to ensure superior performance and durability.

Customized Solutions: Tailored to meet the unique requirements of various industries.

Global Reach: Reliable and prompt shipping services worldwide.

Contact us today to learn more about how we can supply the perfect Tantalum Niobium Alloy Foil and Strip for your project needs.

 

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Chemical Composition

Element	Nb	W	Mo	O	C	Fe	N	Ni	Ti	Si	H
R05240 (Ta-40Nb) (%, Max)	35.0–42.0	0.05	0.02	0.02	0.01	0.01	0.01	0.01	0.01	0.005	0.0015

Mechanical Properties

Ta-40Nb (R05240)	Annealed (Regular temper)
	Tensile strength Min, psi (MPa)	Yield strength min, psi (MPa)(2%)	Elongation min, % (1 inch gage length)
Thickness < 0.060" (1.524mm)	40000 (276)	20000 (138)	25
Thickness > 0.060" (1.524mm)	35000 (241)	15000 (103)	25

 

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