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  1. InoxM

    Copper contamination in weld - spot test?

    Dear all Thanks for the help. We're using a non-plated wire to prevent copper inclusions. If I can't find an easy chemical test for copper contaminations (spectrometry is too expensive) we'll try the ceramic backings. Michael
  2. InoxM

    Copper contamination in weld - spot test?

    Dear Forum We're doing gas metal arc welding of structural steel parts with copper backing and fear that we get copper into the weld. I'm looking for a chemical spot test to find copper contamination in the welds. Does anybody know about such a test? Any help is highly appreciated. Michael

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