Tungsten Tube/Pipe

Standard: ASTM B760

Purity: 99%-99.999%

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

Tungsten Tube/Pipe is made from high-purity tungsten material through powder metallurgy, molding, sintering, and forging, offering high density, melting point, and hardness. As a leading supplier and manufacturer of premium tungsten products, Heeger Materials leverages advanced machining centers to deliver high-precision tungsten and tungsten alloy tubes and pipes for wide ranges of applications.

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Tungsten Tube/Pipe Data Sheet

Reference:	HMWW1494
Dimensions:	Outer Diameter: 3-500 mm Wall Thickness: 0.5-30 mm Length: 5-1300 mm
Standard:	ASTM B760
Material:	Tungsten and Tungsten Heavy Alloy
Purity:	99%, 99.9%, 99.95%, 99.99%, 99.999%
Hardness:	>450 HV
Shape:	Cylinder, Square, or Rectangle (according to the cross-section)
Temper:	Annealed or Unannealed

Tungsten Tube/Pipe

The Tungsten Tube, also called tungsten pipe, is made from high-purity tungsten metal. It has an extremely high melting point (3422 ℃) and excellent corrosion resistance and is widely used in industries requiring high-temperature or high-pressure applications. HM can provide custom sizes, shapes, and compositions to meet specific demands.

Tungsten Tube/Pipe 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 Tube/Pipe Production Process

Raw Material: Select high-purity tungsten powder.
Powder Metallurgy: Mix with binder and compact into a green billet.
Sintering: High-temperature sintering to remove the binder and increase density.
Drawing: Draw the rod to achieve the desired size and finish.
Heat Treatment: Anneal to relieve stress and enhance properties.
Surface Treatment: Clean and polish the surface.
Cutting & Customization: Cut or customize according to requirements.

Tungsten Tube/Pipe Processing Method

Sintering
Forging
Rotary Forging
Rolling
Polishing

Tungsten Tube/Pipe Surface Finish

Depending on the intended applications, tungsten tubes and pipes have three main surface finishes as follows:

Black: The surface is “as swaged” or “as drawn”, retaining a coating of processing lubricants and oxides.
Cleaned: The surface is chemically cleaned to remove all lubricants and oxides.
Ground: The surface is centerless ground to remove all coating and to achieve precise dimensions control.

Tungsten Tube/Pipe Applications

High-temperature Furnace: Tungsten Tubes are mainly used for thermocouple protection tubes in high-temperature furnaces, sapphire crystals, and support parts for high-temperature sintering furnaces.
Medical: Due to it has good radiation shielding effect, tungsten tubes can be used as shielding strings in medical treatment.
Aerospace: Because of its good high-temperature resistance, tungsten tubes are also commonly used in the lining components of rocket engines and ignition tube components.

Tungsten Tube/Pipe Packaging

The Tungsten Tubes/Pipes are carefully placed in wooden cases or cartons with additional support from soft materials to prevent any shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Tantalum Properties

Item	Value
Atomic number	73
Crystal structure	Body centred cubic
Electronic structure	Xe 4f¹⁴ 5d³ 6s²
Valences shown	2,3,4,5
Atomic weight( amu )	180.9479
Thermal neutron absorption cross-section( Barns )	22
Photo-electric work function( eV )	4.1
Natural isotope distribution( Mass No./% )	180/ 0.012
Natural isotope distribution( Mass No./% )	181/ 99.988
Atomic radius – Goldschmidt( nm )	0.147
Ionisation potential( No./eV )	1/ 7.88
Ionisation potential( No./eV )	2/ 16.2

Item	Value
Material condition	Unannealed (Hard)
Material condition	Annealed (Soft)
Poisson’s ratio	0.342
Poisson’s ratio	0.342
Bulk modulus( GPa )	196.3
Bulk modulus( GPa )	196.3
Tensile modulus( GPa )	185.7
Tensile modulus( GPa )	185.7
Hardness – Vickers( kgf mm⁻² )	200
Hardness – Vickers( kgf mm⁻² )	90
Tensile strength( MPa )	760
Tensile strength( MPa )	172-207
Yield strength( MPa )	705
Yield strength( MPa )	310-380

Item	Value
Electrical resistivity( µOhmcm )	13.5@20@20°C
Superconductivity critical temperature( K )	4.47
Temperature coefficient( K⁻¹ )	0.0035@0-100°C
Thermal emf against Pt (cold 0C – hot 100C)( mV )	0.33

Item	Value
Boiling point( °C )	5425
Density( gcm⁻³ )	16.6@20°C

Element	Value
Melting point( °C )	2996
Latent heat of evaporation( J g⁻¹ )	4165
Latent heat of fusion( J g⁻¹ )	174
Specific heat( J K⁻¹ kg⁻¹ )	140@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	57.5@0-100
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	6.5@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 tube or tungsten pipe, please provide the following details:

Dimesnions (Outer Diameter, Inner Diameter, Wall Thickness, Length)
Tolerance (Indicate the acceptable tolerance for the dimensions)
Surface Finish (polished, rough, etc.)
Quantity of the tubes or pipes 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 tantalum and tantalum 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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