What is the corrosion resistance of Stellite alloy?

2020-04-28View Original

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What is the corrosion resistance of Stellite alloy? Can it resist corrosion by acidic water? Why are the seat and disc materials of valves whose body is made of stainless steel (304 or 316L) made of Stellite alloy, instead of using the same material as the valve body?

Reply #22020-05-10

The stainless steel body valve seat is not wear-resistant and not resistant to impacts

Reply #32020-05-12

Under normal operating conditions, stainless steel is sufficient; however, in special operating conditions, erosion of these materials accelerates, resulting in a shorter service life. Therefore, on top of stainless steel, Stellite alloy is welded on to enhance corrosion resistance and impact resistance, thereby extending the lifespan of the valve components.

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What is the corrosion resistance of Stellite alloy?

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