Blow torch?

Discussion in 'General Precious Metals Discussion' started by hyperinflation, May 24, 2011.

  1. hyperinflation

    hyperinflation New Member Silver Stacker

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    hyperinflation, May 24, 2011
    #1
  2. Captain Kookaburra

    Captain Kookaburra Well-Known Member Silver Stacker

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    It's a bit under spot... Would be good for someone with an XRF.

    Don't know any palladium refiners though.
     
    Captain Kookaburra, May 24, 2011
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  3. Dynoman

    Dynoman Active Member

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    Slightly damaged ? More like completely disfigured !
     
    Dynoman, May 24, 2011
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  4. Angavar

    Angavar Member

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    Palladium's melting point is 1554 degrees C.

    From a brief google, house fires can reach 700-800 degrees.

    I don't have any experience with melting metal, but could this damage occur if the temps are so far below its melting point?
     
    Angavar, May 24, 2011
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  5. hiho

    hiho Active Member Silver Stacker

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    more like slightly removed from a house not on fire
     
    hiho, May 24, 2011
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  6. mickjohn

    mickjohn New Member

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    Do people use the serial numbers to track? Would it be worth the effort of just making it illegible instead of melting down the bar completely? The relative value of it being PAMP would be pretty much nil due to the damage, why not just melt it completely?
     
    mickjohn, May 24, 2011
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  7. Fe Mike

    Fe Mike New Member Silver Stacker

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    Because dealing with 10oz worth of molten metal at +1500 degrees is a giant pain in the @rse; but removing traceable numbers is fairly easy, and all that is required.
     
    Fe Mike, May 24, 2011
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  8. Clawhammer

    Clawhammer Well-Known Member Silver Stacker

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    It's difficult to "surface melt" these metals. Palladium is a very good conductor and develops a surface tarnish when exposed to sulphur (silmilar to silver).

    Whenever one applies a blowtorch (like oxyacetylene) to metals like this (aluminium for instance) the heat gets sucked away to the centre of the piece and the surface crust tarnish obscures what's happening underneath. You keep pouring the heat on thinking nothings happening and then all of a sudden the whole peice falls away as a molten blob.
     
    Clawhammer, May 24, 2011
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