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Galvanic Corrosion in equipment

Max Action

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I'm still researching systems, and have seen a number that incorporate both copper and stainless steel components. Does anyone have any problems with corrosion where these dissimilar metals meet?

It depends on the level of heat utilized when joining the metals. You can change the chromium levels in the immediate vicinity of a weld and stainless will corrode. There are non-heated flange approaches that will never have a problem. A good welder with the appropriate thickness materials can make it happen. I've got copper welded on stainless now and will not let wash set in the joints between processing runs. I just want to make sure corrosion can't get a foot hold. Cleanliness is next to ...


Brad Haden

Spirit of Texas

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