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JHendricks

Foundry Lining

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A friend of mine and I are going to get into foundry and casting work to make stuff like castings and steel for smithing. It has fallen upon me to design the actual furnace. My question is, what could I use for the interior lining to withstand the temperature so that the furnace can be as durable as possible and last as long as possible? I've not committed to any design yet, I'm just trying to find something that can stand up to a big temperature and laugh at it.

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Castable refractory is the most rugged lining material I use 1700c in my furnace 1 1/2" thick with a 2" gap with vermicultie, the bottom is droppable if you get a crucible break, if I were to do it again I'd skip the vermiculite, and use fibre board for forge linings instead, if you can afford it the for "The Artful Bodgers Waste Oil Foundry" by Colin Peck his design is innovative and he's built several furnaces the culmination of these builds and years of experience is in the book a good read!

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