[Jewelry making - Article 00853] - Re: [Orchid] Heavy Platinum Welding

[gustavo hoefs]

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    what type of gas or fuel are you planning to use with that torch ?
    it makes a difference ! your query is right in line with the
    mallability of the palladium prong thread that is being discussed
    right now the issue of carbon binding. This would be about the only
    time in my shop that i could tolerate one of those water torches
    (hydrogen flame) that were all the rage about ten years ago now you
    see them only here and there. i looked into bottled hydrogen just to
    consider the feasability and came within a frog hair of being
    reported to the terrorist watch list. ive had success in the past
    with acetlelyne flame and my smith little torch being VERY carefull
    to use AN EXTREEEEEMLY SHARP OVER OXEDIZEING (sp?) BIG FLAME feeding
    a piece of plat. stock as it were a filler rod for a pipe weld

goo
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