How to Temper a Crucible

#how to temper/prepare a crucible / #graphite crucible with a #devil forge single burner.
#graphite crucibles have to be tempered before using them in the #devil forge furnace.
When #tempering a crucible before #scrapping your metals you should slowly heat the crucible up to above the desired heat for the metal you want to melt in it.
In this video I do three tempering runs to make sure the crucible won't crack under normal melting of my aluminium.
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[@valeriymatselevitch7660]

I melted copper without hardening the crucible. Thank you for the video.

[@aussiegolddogcnc3d412]

I’m rather new to melting but was advised to harden them.

[@stumpy31952]

right on mate just got a crucible, ingot, and furnace about that size for melting my concentrates,

[@aussiegolddogcnc3d412]

It’s great fun mate. Hope you enjoy.

[@Pasumathi-xf1yq]

How to order this furnace

[@valeriymatselevitch7660]

Does the new crucible need to be tempered?

[@aussiegolddogcnc3d412]

I was advised to. But I’m new to melting.

[@richardporter3080]

Is 700 + ° the correct temp for smelting gold, love to see the next video then 😁👍

[@aussiegolddogcnc3d412]

Hi Richard I think this is it. The melting point of gold is 1,064 degrees Celsius or 1,943 degrees Fahrenheit.