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v0.34:Fire-safe

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Revision as of 21:05, 24 February 2012 by Quietust (talk | contribs) (fire-safety should also be working now)
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This article is about an older version of DF.

Fire-safe materials are those that are not damaged by fire. These materials include glass, metal, and most stone. No types of wood are fire-safe, and neither are charcoal or coke. Bituminous coal and lignite are flammable stone, and therefore not fire-safe. Fire-safe materials are only required when the object is going to come into contact with extreme heat, such as a wood furnace, smelter, forge, kiln or glass furnace, or for the magma-powered versions of these facilities.

Flux materials, such as limestone, which are consumed in the purification of pig iron to produce steel, are considered fire-safe. It is perfectly fine to use limestone as a flux material to make steel in a limestone smelter.

As far as the game is concerned, only materials which are stable at temperatures below 11000 (1032°F, or about 555.6°C) are considered fire-safe. Furthermore, the game only considers bars, blocks, stone, logs, and anvils to be capable of being fire-safe - all other item types are rejected outright. Despite this temperature being considered fire-safe, actual fire generates temperatures as high as 11640 (1672°F, or about 911.1°C).

Magma-safe materials are a different thing entirely; while many fire-safe materials will still melt when submerged in magma, that is not an issue for buildings that are merely powered by the magma.