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    « Use passivation/pickling to expose sub-standard metal compositions and manufacturing errors | Main
    Tuesday
    May122009

    Use Electropolishing to Expose manufacturing errors and inconsistancies

    An over looked benefit to electropolishing is its ability to exposes errors and inconsistancies during part manufacturing. (click here for pictures!)

    • Case study #1: 316 stainless steel marine exhaust manifold for yacht was electropolished to remove weld-scale and increase overall corrosion resistance and life of part. Upon post inspection of part it was observed that a main weld was created using mild steel filler rod. This was reported back to customer and a very expensive remove/repair/replace situation was avoided due to the part surely failing. Not to mention the potential legal liability of the part manufacturer.

     

    • Case study #2: Used 304 stainless steel linked conveyor belt for food manufacturing facility to be cleaned and re-installed.Upon post inspection of part it was observed that the metal rods used within the links of the conveyor belt were constructed of mild carbon steel. The conveyor was specified as "all 304 stainless steel construction" This was reported back to customer and rods were replaced by manufacturer with the correct grade. A potential future unsafe food condition and associated liabilites were avoided.

     

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