here is a link to a heat treating company and a stainless steel bag that they use to keep oxygen form de-carbonizing parts http://www.nabertherm.com/produkte/w...2_englisch.pdf
you might find some ideas there. Check out pages 8 and 9
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Iron... the other thermal plastic
"He was the kind of a guy that could screw up an anvil with a tack hammer"
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