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Is Hardenable Silver Argentium?


#1

In the British enameling book, “Enamelling on Precious Metals” by
Jeanne Werge-Hartley. It talks about enameling on “Hardenable
silver” (1715) The content is 99.65% silver, 0.2 % magnesium, and
0.15 % nickel. The melting point is 1840F. Originally produced by
Johnson Matthey in the early 70’s. I’m sorry but I haven’t paid a
lot of attention to the threads on Argentium, but is this what that
is? It says it comes in two qualities. N quality which is soft and
malleable as pure silver. It can be irreversably hardened in a kiln.
And then P quality which is so hard it can’t be bent or it will
fracture. It’s supposed to be a fantastic silver to enamel on. Now as
I’m reading on in this book it talks about Germanium Silver or
"Bright Sterling silver" 92.5% silver, 6.3 % copper, 1.2% germanium,
melting point (1410-1608 F) I bet this is the Argentium silver.
Unfortunately they don’t reccomend enameling on it. So I was
wondering if you can buy this “hardenable silver in the States” It’s
obviously available in the UK. I happen to be going there next week!
Does anyone know where I can find it. Thanks for your help and thanks
to all the responses on the enamel ring. It was just too thick.

God Bless You
Poppy


#2

The JMM hardenable silver is not the same as Argentium. Having usd
it extesively I would not recommend it for enamelling. It has a
propensity to age harden and crack if the enamelling produces any
stress in the metal.

Bill Bedford