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Hardfacing

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Valving

Valving

Civil/Environmental
Joined
Feb 23, 2011
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83
Location
TR
Stellite is the most common hardfacing method as far as I see in the industry.
Which other materials are used for hardfacing?
What about nickel overlay? Any comparison for nickel & stellite ?
 
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Unfortunelly at this moment I am not with my specifications in hand but there are tungsten carbide, hard chrome. Try the site of Praxair to find anything else.
 
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Colmonoy is one surface coating material.
 
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There are many Hard facing materials available depend on service application.

Tungsten carbide is the hardest one. Stellite-6 is commonly used HF material
along with SS 316 in valve trims. Also, HF would be used in High Pressure appln only.
 
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