Hydraulic Die Forming Discussion Group
Re: Drawing Platinum Tubing,

Judy Hoch
judy@martal.com

On Mon Dec 16, Phil Poirier wrote
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>Here's the latest tube drawing experiment.....the metal is Hoover and Strongs' Plat/Oro, a 950 platinum alloyed with gold. Very malleable and ductile! Tube shown is 3" tall X 5/8" (about a ring size 5) inside diameter X .080" (12 gauge or 2mm) wall thickness.
>One anealling from a 3" disc to this final tube size.
>Phil

Phil - do you need special dies for platinum?  I thought steel would contaminate platinum or is there no steel residue on the beautiful tube?

Judy
>

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