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My alloy is recovered metal from the firing point, plus a small amount of pure linotype to add a little hardness. I have recently discovered that my Lee melting pot is faulty and has been running at VERY high temperatures, far above the range specified in the instructions. I am not sure what the effects of casting at very high temperatures are, but this may be contributing to the problem.
Has anyone got the engineering know how to expalin what the effects of using very excessive temperatures for melting and casting are? at number 4 on the thermostat setting the alloy has an orangy glow to it. The mould overheats very quickly and may have actually been damaged by the excessive temperature.
The melting pot is only a couple of months old and seems to have been faulty from new.
Has anyone got the engineering know how to expalin what the effects of using very excessive temperatures for melting and casting are? at number 4 on the thermostat setting the alloy has an orangy glow to it. The mould overheats very quickly and may have actually been damaged by the excessive temperature.
The melting pot is only a couple of months old and seems to have been faulty from new.