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weld through primer

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  • weld through primer

    i have never used it, as it seems not to be available in switzerland.

    i understand you coat the parts and can weld them together later? does it work with tig? how heat resistant is it? e.g. if i coat the inside of a 2mm pipe and weld it on the outside to a 4 mm plate (on the end), will it be destroyed?

  • #2
    I would say anything welded by tig should be CLEAN. No paint, oil, scale and etc, should be shiny metal for the best results. This goes for all metals especially aluminum.

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    • #3
      Tungsten dipper is correct. The so-called "weld-through" primers are mostly intended for structural work with cellulose coated rods ("stick welding"). The primer burns off in the heat affected area and has to be re-applied over/after the weld.

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      • #4
        so neither tig nor mig? then i dont need it. (just bought some on ebay.)

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