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Iron Furnace
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Metal Set Iron


Iron Furnace is a machine that is included with Base Metals. It's faster than the bronze furnace but slower than the Steel Furnace.

It takes 8 seconds to heat one object using an iron furnace. Alternatively, this furnace heats 10 objects per coal. An iron furnace can smelt an entire stack of material using 6.4 (aka 7) coal.