Tungsten Foil/Strip/Ribbon

Tungsten Foil, Tungsten Strip, and Tungsten Ribbon

Material: Pure Tungsten, Tungsten Heavy Alloy (WNiFe, WNiCu)

Purity: 99%-99.999%

Custom sizes and standard sizes in stock
Quick Lead Time
Competitive Price

Tungsten Foil/Strip/Ribbon is made from high-purity tungsten material, known for high melting point, low thermal expansion, and superior strength. They are widely used in electronics, aerospace, and medical fields. As a leading supplier and manufacturer of premium tungsten products, Heeger Materials leverages advanced machining centers to deliver high-precision tungsten and tungsten alloy foil, strip, and ribbon for wide ranges of applications.

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Tungsten Foil/Strip/Ribbon Data Sheet

Reference:	HMWW1493
Dimensions:	Thickness: 0.001″-0.1875″ Width: <6″ Length: TBD (To Be Determined)
Material:	Tungsten and Tungsten Heavy Alloy
Standard:	ASTM B760
Purity:	99%, 99.9%, 99.95%, 99.99%, 99.999%
Temper:	Annealed or Unannealed

Tungsten Foil and Strip

Tungsten Foil, Strip, and Ribbon exhibit typical tungsten properties such as high density, high melting point, and excellent heat resistance. The regular thickness ranges from 0.001″ to 0.1875″. HM can offer customized solutions according to specific requirements with competitive prices.

*Please check the tungsten sheet if the width is >6″.
*Please check the tungsten plate if the thickness is >0.1875″.

Tungsten Foil
Tungsten Strip/Ribbon

Tungsten Foil/Strip/Ribbon Material Chemical Composition

W (>%)	Chemical Content (<%)
99.999 W1	Fe	Ca	Be	Sn	Al	Ni	Zn	Sb	Pt	K	Ta	Na
	0.0001	0.00005	0.000005	0.000005	0.00005	0.00001	0.00005	0.00005	0.00003	0.000005	0.0001	0.00005
	Cr	Pb	As	Mg	Ti	Bi	Mo	Cd	Cu	Ba	Co	Mn
	0.000005	0.00001	0.00005	0.00005	0.000005	0.00001	0.00001	0.000005	0.000007	0.00001	0.000005	0.000005
99.99 W2	Fe	Ca	Be	Sn	Al	Ni	Zn	Sb	Pt	K	O	Na
	0.0001	0.00045	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0005	0.0040	0.0009
	Cr	Pb	As	Mg	Ti	Bi	Mo	Cd	Cu	Ba	Co	Mn
	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0002	0.0001	0.0001	0.0001	0.0001	0.0001
99.95 W3	Fe	Ca	P	Sn	Al	Ni	N	Sb	Si	O	Pb	As
	0.005	0.003	0.001	0.0001	0.002	0.003	0.003	0.001	0.003	0.003	0.0001	0.002
	Mg	C	Bi	Mo
	0.002	0.005	0.0001	0.001

Tungsten Foil/Strip/Ribbon Tolerances

Tungsten foil, strip, and ribbon are produced with precise tolerances to meet specific application requirements. Tolerances typically cover thickness, width, and length, ensuring that the material fits the intended design and performance criteria. Custom tolerances can be specified depending on the customer’s needs.

Thickness (mm)	Tolerances for Thickness (mm)		Width (mm)	Tolerances for Width (mm)	Length (mm)	Tolerances for Length (mm)
Thickness (mm)	Grade 1	Grade 2	Width (mm)	Tolerances for Width (mm)	Length (mm)	Tolerances for Length (mm)
0.025～0.07	±0.005	±0.006	70～150	±2.0	≥1000	—
>0.07～0.09	±0.006	±0.008	70～150	±2.0	≥1000	—
0.1～0.20	±0.015	±0.02	50～300	±2.0	100～2000	±3.0
>0.2～0.30	±0.02	±0.03	50～300	±2.0	100～2000	±3.0
>0.30～0.50	±0.03	±0.04	50～500	±2.0	100～2000	±3.0
>0.50～0.80	±0.04	±0.06	50～500	±2.0	50～1200	±3.0
>0.80～1.0	±0.06	±0.08	50～500	±2.0	50～1200	±3.0

Tungsten Foil/Strip/Ribbon Production Process

Tungsten foil, strip, and ribbon are made of high-purity tungsten and tungsten alloy ingots through hot rolling, cold rolling, and annealing to achieve the desired thickness, strength, and ductility. Additional treatments such as polishing and chemical etching may be applied to meet specific requirements for particular applications. Here is the typical production process:

Raw Material Selection: Tungsten ingots or powder are selected based on purity and quality requirements.
Melting and Casting: Tungsten is melted in a vacuum or inert gas atmosphere and cast into ingots.
Hot Rolling: The ingot is heated and passed through rollers to reduce the thickness and achieve the desired shape.
Cold Rolling: Further reduction of thickness is achieved at room temperature, improving the material’s surface finish and mechanical properties.
Annealing: The material is heat-treated to relieve internal stresses and improve ductility.
Pickling and Polishing: The surface is cleaned using chemical treatments to remove oxides and improve appearance.
Final Cutting: The material is cut into foil, strip, or ribbon forms, depending on the specific application requirements.

Tungsten Foil/Strip/Ribbon Applications

Electronic Components: Tungsten foil, strip, and ribbon, with their high melting point and low coefficient of thermal expansion, are widely used in manufacturing electronic components, especially those that operate in high-temperature and high-pressure environments.
Aerospace: Due to their high density and strength, tungsten foil, strip, and ribbon are used in the aerospace industry for making shields and radiation-resistant materials to withstand extreme temperatures and radiation.
Medical Field: Tungsten foil, strip, and ribbon are used to produce radiation therapy equipment, providing effective radiation shielding.
Thin Film Resistors: Thanks to their excellent electrical conductivity, tungsten foil, strip, and ribbon are commonly used in the fabrication of thin film resistors.

Tungsten Foil/Strip/Ribbon Packaging

The Tungsten Foil/Strip/Ribbon is carefully placed in wooden cases or cartons, with additional support from soft materials, to prevent shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Tungsten Properties

Item	Value
Atomic number	74
Crystal structure	Body centred cubic
Electronic structure	Xe 4f¹⁴ 5d⁴ 6s²
Valences shown	2,3,4,5,6
Atomic weight( amu )	183.85
Thermal neutron absorption cross-section( Barns )	18.5
Photo-electric work function( eV )	4.55
Natural isotope distribution( Mass No./% )	183/ 14.3
Natural isotope distribution( Mass No./% )	182/ 26.3
Natural isotope distribution( Mass No./% )	186/ 28.6
Natural isotope distribution( Mass No./% )	180/ 0.1
Natural isotope distribution( Mass No./% )	184/ 30.7
Atomic radius – Goldschmidt( nm )	0.141
Ionisation potential( No./eV )	1/ 7.98
Ionisation potential( No./eV )	2/ 17.7

Item	Value
Material condition	Annealed (Soft)
Material condition	Un-annealed (Hard)
Poisson’s ratio	0.28
Poisson’s ratio	0.28
Bulk modulus( GPa )	311
Bulk modulus( GPa )	311
Tensile modulus( GPa )	411
Tensile modulus( GPa )	411
Hardness – Vickers( kgf mm⁻² )	360
Hardness – Vickers( kgf mm⁻² )	500
Tensile strength( MPa )	550-620
Tensile strength( MPa )	1920
Yield strength( MPa )	550

Item	Value
Electrical resistivity( µOhmcm )	5.4@20@20°C
Superconductivity critical temperature( K )	0.0154
Temperature coefficient( K⁻¹ )	0.0048@0-100°C
Thermal emf against Pt (cold 0C – hot 100C)( mV )	1.12

Item	Value
Boiling point( °C )	5660
Density( gcm⁻³ )	19.3@20°C

Item	Value
Melting point( °C )	3410
Latent heat of evaporation( J g⁻¹ )	4009
Latent heat of fusion( J g⁻¹ )	192
Specific heat( J K⁻¹ kg⁻¹ )	133@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	173@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	4.5@0-100°C

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SAFETY DATA SHEET (SDS) – Tungsten Metal

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We will check and get back to you in 24 hours.

To customize your tungsten foil, tungsten strip, or tungsten ribbon, please provide the following details:

Thickness × Width × Length (for the foil, strip, and ribbon)
Tolerances (allowable variations in thickness, width, and length)
Purity (Specify the purity of material required.)
Quantity of the products you need
Alternatively, you can provide a drawing with your specifications.

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of tungsten and tungsten alloy products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

DFARS (Defense Federal Acquisition Regulation Supplement) compliance is primarily concerned with the sourcing of materials for defense-related applications in the United States. According to DFARS, certain materials used in defense must be sourced from the United States or qualifying countries.

If you have specific tungsten materials that are subject to DFARS, please let us know in advance and we will confirm.

At Heeger Materials Inc., we take this responsibility seriously. We adhere to all applicable laws and regulations, including Section 1502 of the Dodd-Frank Act. Our company operates with a strict code of ethics and is committed to only partnering with suppliers who share our dedication to responsible sourcing. We support the initiatives and programs aimed at promoting “conflict-free” supply chains and work diligently to ensure that our products meet these standards.

Heeger Materials Inc., established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of tungsten and tungsten alloys. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

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Heeger Metal provides a wide range of metal foil, metal strip, and metal ribbon products. Our foil and strip materials are precision-engineered for applications requiring high strength, flexibility, and thermal stability, ideal for electronics, aerospace, and industrial sectors. Whether you need custom metal ribbons or thin metal strips, our products deliver superior performance and reliability.