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Red Deer, AB - Manufacturing Reciprocating Pumps -> Spray Welding
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- Induction fused powder flame spray process
- Metco 6P-II Thermo spray system
- Manual spray system for large OD plungers
- Manufacture Q-Hard plungers, Spray Metal valve rods, pull tubes, polish rods (up to 36’ in length) as well as other products
- All product is shot blasted prior to spray welding to a clean surface area for bond integrity
- Nickel based powder containing borides, carbides and silicon
- Fed via Nitrogen from the hopper into Oxyacetylene fuel gas combustion flames, melted and projected by the gas stream onto the product
- High frequency coils fuse the powder at 1900°F to 2000°F immediately following spray welding to ensure a crack free surface.
- Plungers greater than 3.25” are hand sprayed and oxyacetylene flame fused
- End result is a clean almost fully dense coating (no porosity or inclusions)
- Typical hardness is greater than 60HRC (Standard Spray) and upgraded Tungsten hardness of greater than 65HRC
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Advantages
- A virtually fully dense and non-permeable coating microstructure
- Metallurgical bond
- Improves corrosion resistance
- Wear ability
- Increases bond strength
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