Tungsten Alloys

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Tungsten Alloys is a producer of quality high density tungsten heavy alloys made from virgin powders using modern powder metallurgy techniques and CNC technology. 

Tungsten Alloys Quality Management System is certified to ISO 9001: 2000. 

Tungsten Alloys has a team of qualified engineers, metallurgists and technical sales people with a wealth of experience within this specialised industry, giving a fast response to enquiries and advising on the optimum material for your application and on techniques for further processing.

Performance Automotive Applications

  • Ballast Plates

Blanks or finished machined to drawing.

- High weight - Low volume.
- Large surface area available.
- Densities up to 18.5 g/cm3.

  • Crank Shaft Weights

Blanks or finished machined to drawing.

- Bar for encased applications - all sizes.
- High strength blocks for "bolt on" dynamic environment.

  • Skids

Blanks or finished machined to drawing.

- High weight - Low volume.
- Wear resistant and tough.

Aerospace & Defence Applications

  • Precision Balance and Counterweights for Military and Civil Aeroplanes and Helicopters.

- High density up to 18.5 g/cm3.
- up to 65% denser than Lead.
- up to 130% denser than Steel.

- Mechanical properties to suit either dynamic or static locations.

- Weakly ferro magnetic.
- Non magnetic if specifically required.

- Alternative to Depleted Uranium.
- Non Toxic.

- Corrosion resistant.

- Easily machined.
- Easily mechanically joined, brazed or shrunk fit to other materials.

- Equivalents to most commercial specifications available.
- Material to MIL-T-21014D amendment 1.
- Material to AMS-T-21014.
- Material to AMS 7725C.

- Machined to drawing.

- Post treatments provided.
- Plating.
- Painting.
- Part marking.

- Approved manufacturing systems.

  • Precision Balance Weights for Missiles, Torpedoes and Defence Equipment

- High density up to 18.5 g/cm3.
- up to 65% denser than Lead.
- up to 130% denser than Steel.

- Mechanical properties to suit either dynamic or static locations.

- Weakly ferro magnetic.
- Non magnetic if specifically required.

- Corrosion resistant.

- Easily machined.
- Easily mechanically joined, brazed or shrunk fit to other materials.

- Machined to drawing.

- Post treatments provided.
- Plating.
- Painting.
- Part marking.

  • Riveting Blocks.

- Markedly better shock and vibration absorption than steel.

- Far greater protection against "vibration white finger".

- Markedly reduced recoil.

Power Engineering Applications

  • Engines, Motors and Turbines

- Precision balance weights.

- Blanks or finished machined to drawing.

- Bar for encased applications - all sizes.

- High strength blocks for "bolt on" dynamic environment.

- High weight - Low volume.

- High density up to 18.5 g/cm3.
- up to 65 % denser than Lead.
- up to 130 % denser than Steel.

- Mechanical properties to suit either dynamic or static locations.

- Weakly ferro magnetic.
- Non magnetic if specifically required.

  • Crankshafts, Flywheels, Turbine Blades and Governors

- Precision balance weights.

- Blanks or finished machined to drawing.

- Bar for encased applications - all sizes.

- High strength blocks for "bolt on" dynamic environment.

- High weight - Low volume.

- High density up to 18.5 g/cm3.
- up to 65 % denser than Lead.
- up to 130 % denser than Steel.

- Mechanical properties to suit either dynamic or static locations.

- Weakly ferro magnetic.
- Non magnetic if specifically required.

Engineering Tooling Applications

  • Boring Bar & Grinding Quill Blanks

- Better damping performance than steel or tungsten carbide.

- Easily machined - hardness nominally HRC 30.

- All possible bar diameters available.
- Bar lengths as required.

- "As sintered", proof machined, or ground finishes.

- Stock bars normally available.

  • Tooling Shanks

- Greater rigidity than steel or tungsten carbide.

- Tungsten carbide cutting tips easily brazed.

- All sizes readily available.

  • Riveting Blocks

- Markedly better shock and vibration absorption.

- Greater protection against "vibration white finger".

- Markedly reduced recoil.

  • Extrusion Dies, Die Casting Components, Electro Forging & Upsetting

- High thermal stability.

- Low thermal conductivity.

- Good crack resistance.

- High compression strength.

Radiation Shielding Applications

  • Collimators, End Stops, & Directional Shields

- High density up to 18.5 g/cm3.
- up to 65% denser than lead.
- up to 130% denser than steel.

- High radiation absorption.

  • Syringe Shields, Vial Shields, Pots, Lids and Shutters

- Increased personnel protection.

- Less susceptible to damage.
- Stable dimensions.

- Alternative to Depleted Uranium and Lead.
- Non Toxic.

  • Cancer Therapy Equipment Components

- Large single pieces.

- Easily machined - hardness nominally HRC 30.

- Alternative to Depleted Uranium and Lead.
- Non Toxic.

- Camera Shutters, single piece and leaf collimators.

  • Shielding Doors, Transport and Storage Pots

- Easily assembled or joined.
- Smaller assemblies for the same protection as Lead.

- Good mechanical properties.

- Alternative to Depleted Uranium and Lead.
- Non Toxic.

  • Comparative Absorption Data

- Source: Cobalt 60

W Cu & W Ag Alloys

A range of Tungsten Copper & Tungsten Silver alloys are also produced for several applications, such as spark erosion, wire erosion, resistant welding electrodes and high voltage contacts. Please contact our Sales Team for more information.

Metal Powder Supply

Tungsten Alloys can also supply Metal Powders such as Tungsten, Molybdenum, Copper, Nickel, Iron, Tungsten Carbide, Tantalum Carbide, Tantalum Niobium Carbide & Titanium Carbide. Please contact our Sales Team for more information.


 

Product Method

 

  • Blending of tungsten powder with other metal powders and a bonding agent, cooling and sieving.
  • Pressing the blended powder to the required shape (allowing for shrinkage during the final processing), and shaping the green part component.
  • Pre-sintering the pressed components to remove the bonding agent.
  • Final sintering in the hydrogen fed furnace to fuse the powder particles together.
  • Supplied in bar, square, round and rectangle sizes are available in rough oversize, or turned or ground to exact requirements. Components can also be produced to customer drawings.

Machinability

  • Possible, either to press components to shape, or to cut and shape material prior to sintering.
  • Reducing the amount of final machining necessary to produce the finished component.
  • Can be machined conventionally and without much difficulty.

Density

  • High density (up to 65% denser than Lead).
  • Denser materials exist (Uranium, pure Tungsten, Gold, platinum group metals) but their use is restricted by availability, workability and cost.
  • Providing mass where volume space is limited.
  • Concentrated weight essential where accuracy is required in placement of mass.
  • Placement of weight in situations where airflow has a significant impact.

Thermal Properties

  • High softening temperature.
  • Low thermal conductivity and low coefficient of expansion gives the material a high resistance to thermal fatigue.
  • Excellent soldering erosion resistance to molten aluminium.
  • Strong at high temperatures with high thermal stability.

Mechanical Properties

  • High Young's modulus of elasticity. Does not creep when experiencing significant forces, unlike Lead.
  • Despite their strength, they remain ductile and resistant to cracking.
  • The hardness range of the alloys is typically 20-35 Hardness HRC.

Radiation Absorption

  • For gamma rays and X-rays, 1.5 times more effective than Lead.

Corrosion Resistance

  • More resistant to acid attack than stainless steel providing the ideal solution in hostile environments.

Health and Safety

  • Presents no risk to health or the environment

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