Hardfacing Welding Powder Applications & Key Features

Our range of atomized cobalt- and nickel-base powders includes specific alloy compositions and sieve cuts for use with PTA, laser cladding, HVOF and flame spraying techniques.

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ApplicationsKey FeaturesProduct

  • Wear Pads

  • Mixer Rotors

  • Pump Sleeves


  • Cobalt, chrome, high tungsten

  • Excellent for abrasion and corrosion resistance

  • Retains hardness at temperatures exceeding 1400ºF (760ºC)

  • These key features are universal to all WT-1 product forms


WT-1 Powders (PTAW, SF, HVOF)

  • Shear Blades

  • Fluid Flow Valves

  • Extrusion Screws

  • Roll Bushings

  • High Temperature

  • Valve Bearing Surface


  • Cobalt, high chromium, tungsten

  • Excellent for corrosion resistance, wear and galling

  • Most flexible and widely used of the cobalt alloys due to overall performance

  • Retains hardness up to 930ºF (500ºC)

WT-6 Powders (PTAW, SF, HVOF)

  • Chain Saw Bars

  • Saw Teeth

  • Extrusion Dies

  • Guide Bars

  • Wood Cutting Tools

  • Pump Sleeves

  • Twist Rolls

  • Knives


  • Cobalt, very high chromium, high carbon, high tungsten

  • High resistance to corrosion and galling at elevated temperatures

  • Maintains hardness up to 1300°F (700°C)

  • Intermediate alloy between WT-1 and WT-6

  • These key features are universal to all WT-12 product forms

WT-12 Powders (PTAW, SF, HVOF)

  • Steam Valves

  • Hot Shears

  • Chemical and Petrochemical Valves

  • Cavation Repair

  • Forging Dies


  • Cobalt, high chromium, molybdenum

  • Excellent for corrosion resistance, galling, cavitation, and metal to metal wear resistance

  • Not recommended for severe abrasion

  • These key features are universal to all WT-21 product forms

WT-21 Powders (PTAW, SF, HVOF)

  • Liners

  • Valve Components

  • Oil Extrusion Screws

  • Centrifuges


  • Resists abrasion, corrosion, galling, and pitting

  • Can be deposited on cast iron and low to medium carbon steels

  • Retains hardness up to 1200ºF (650ºC)

  • These key features are universal to all WT-50 product forms

WT-40 Powders (PTAW, SF, HVOF)

  • Liners

  • Valve Components

  • Oil Extrusion Screws

  • Centrifuges


  • Resists abrasion, corrosion, galling, and pitting

  • Can be deposited on cast iron and low to medium carbon steels

  • Retains hardness up to 1200ºF (650ºC)

  • These key features are universal to all WT-50 product forms

WT-50 Powders (PTAW, SF, HVOF)

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