Steel Crucible
- Steel Crucible (Raw): Unfired fireclay. Bake it in a pit kiln before it will hold a heat.
- Steel Crucible: A fireclay pot that holds molten steel at 1600 C, which ordinary clay cannot. It gives three heats and then it is finished.
- Steel Crucible (Full): A pot of molten crucible steel. Pour it into a canal or a mould before it sets.
Each heat takes 110 units of molten steel and gives back 100, the rest lost to the pour, and a pot that has given its third heat is finished: it cannot be charged a fourth time. A full pot is poured rather than tapped: pick it up once it is safe to carry and empty it into a canal, a barrel or a mold.
See Iron and its grades and Crucible furnace.

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Clay forming: Fire clay makes Steel Crucible (Raw)
Needs: 1 Fire clay; makes 1 Steel Crucible (Raw)
Amounts are the mod's defaults; the recipe-cost level changes them (see recipe cost levels).