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Affect of QPQ on 625 Overlay on F22

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VictorMeldrew

VictorMeldrew

Mechanical
Joined
Apr 27, 2005
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9
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GB
One of our customers has quesioned the affect on the corrosion resistance and the ISO15156 compliance of Nitrocarburizing 625 weld overlay on F22. Anyone have any thoughts?
 
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A little more information about the configuration of the components involved would help.
 
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It's basicaly a cylindrical part, with a variety of IDs, inlayed over a section of the bore where seals are in contact. The whole thing is nitrocarburized. The bore is exposed to oil well production fluids.
 
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