Tung Weld Coatings

KRAM Engineering (Pty) Ltd supply and apply a range of locally developed Tungsten Carbide based products. Tung Weld consist of Graded Tungsten Carbide particles disseminated into a hardface weld base to form an extremely wear resistant layer, used extensively in high wear areas such as ground engaging equipment, drill-bits, disintegrators, crushers, etc.

The material is applied using the MIG Welding process combined with an imported vibrating feeder mechanism to feed the tungsten particles into the weld pool. The standard tungsten particles are 1-2mm in size but several types of weld bases are used depending on the specific application.

Standard Range of Weld Basis

Technical Specifications

List of industries presently using our products:
  • Asphalt
  • Aluminium
  • Carbon
  • Chrome
  • Coal ash and ore handling
  • Collieries
  • Cement
  • Concrete brick and paving
  • Concrete roof tile
  • Concrete pipe
  • Concrete pump

  • Continues mining
  • Crushing and screening
  • Clay brick
  • Clay tile
  • Dredging
  • Earth Moving
  • Ferrochrome
  • Foundry
  • Glass
  • Iron and steelwork
  • Material handling
  • Mixing
  • Open cast mining
  • Platinum
  • Power generating
  • Road making
  • Refractory
  • Ready mix materials
  • Rubbish removal
  • Rubber
  • Shaft sinking
  • Tunnelling
  • Vanadium
  • Vinyl flooring


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