Iron

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Iron

÷ Ω Ω Ω Ω Ω ÷ Ω ≡ ≡ ≡ = = Ω Ω ≡ ≡ ≡ ≡ = Ω Ω ≡ ≡ ≡ ≡ ≡ Ω ÷ Ω Ω Ω Ω Ω ÷
Uses
Make pig iron at smelter Make steel at smelter Melee Weapons Crossbows Bolts Picks Armor Anvils Metal crafting Construction
Ore
Hematite Limonite Magnetite
Properties
Material value 10 Fire-safe Magma-safe Melting point 12768 °U Boiling point 15150 °U Ignition point none Solid density 7850 Liquid density 6980 Specific heat 450
Wikipedia article

v50.12 · v0.47.05 This article is about the current version of DF. Note that some content may still need to be updated. More Info · V

Iron is an important resource for a fortress, as an often-plentiful metal that can be used to make just about anything necessary, from weapons to furniture to trade goods. Iron is also a necessary ingredient in the production of steel, the best non-spoiler metal in the game for weapons and armor. If you are unable to produce enough steel in your fort, then the next best metal for military purposes is iron.

There are three ores containing iron: Hematite, Magnetite, and Limonite. Hematite and Magnetite can be found in all stone layers. Limonite is found only in sedimentary layers as veins.

Note that iron does not rust (though it may in future versions), so there's no harm in leaving iron objects out in the rain or submerging them in water.

Uses

• Melee weapons. Mostly useful for edged weapons. Good for bolts as well. You can also make crossbows out of iron but there are better metals.
• Armor. It's pretty good, though not the best.
• Construction, if you are so inclined.
• Good quality furniture. It is quite heavy, however.
• Magma-safe mechanisms, though there are plenty of magma-safe stones that would work just as well, if you can get your hands on them.
• Anvils, which can only be made from iron or steel.

Production

Iron comes from three ores: hematite (most common), magnetite (appears in large clusters), and limonite (least dense).

Any of these iron ores can be smelted at a smelter to produce four iron bars. If you have a standard smelter, a bar of fuel will be necessary; magma smelters require no fuel to operate.

Iron will also be available through goblinite, as well as the dwarven and human caravans.

Alloys

Iron may be combined with other materials at a smelter, mostly for the production of steel

• Iron + Flux + Fuel = Pig iron
• Iron + Pig iron + Flux + Fuel = 2 × Steel

Note that fuel is used as a reactant: even magma smelters need fuel for these reactions. A standard smelter will require two bars of fuel, one as a reactant and one to operate the furnace. This conforms with the process of carbonization of iron and pig iron in ferrous metallurgy in real life.

Pieces of iron.

"Iron" in other Languages Dwarven: datan Elvish: icori Goblin: dusna Human: uzin

Raws

Dwarfoloid picked out a lot of the material numbers here to replace my placeholders. Colors added by Bohandas. [INORGANIC:IRON] [USE_MATERIAL_TEMPLATE:METAL_TEMPLATE] [STATE_NAME_ADJ:ALL_SOLID:iron] [STATE_NAME_ADJ:LIQUID:molten iron] [STATE_NAME_ADJ:GAS:boiling iron] [DISPLAY_COLOR:0:7:1] [BUILD_COLOR:0:7:1] [MATERIAL_VALUE:10] [SPEC_HEAT:450] [MELTING_POINT:12768] [BOILING_POINT:15150] [ITEMS_WEAPON][ITEMS_WEAPON_RANGED][ITEMS_AMMO][ITEMS_DIGGER][ITEMS_ARMOR][ITEMS_ANVIL] [ITEMS_HARD] [ITEMS_METAL] [ITEMS_BARRED] [ITEMS_SCALED] [SOLID_DENSITY:7850] [LIQUID_DENSITY:6980] [MOLAR_MASS:55845] [IMPACT_YIELD:542500] Was 1080000, but just using 3.5x tensile multiples for everything until better numbers are available, which might not be likely [IMPACT_FRACTURE:1085000] [IMPACT_STRAIN_AT_YIELD:319] [COMPRESSIVE_YIELD:542500] [COMPRESSIVE_FRACTURE:1085000] [COMPRESSIVE_STRAIN_AT_YIELD:319] bulk modulus 170 GPa [TENSILE_YIELD:155000] [TENSILE_FRACTURE:310000] [TENSILE_STRAIN_AT_YIELD:73] young's modulus 211 GPa [TORSION_YIELD:155000] [TORSION_FRACTURE:310000] [TORSION_STRAIN_AT_YIELD:189] [SHEAR_YIELD:155000] [SHEAR_FRACTURE:310000] [SHEAR_STRAIN_AT_YIELD:189] shear modulus 82 GPa [BENDING_YIELD:155000] [BENDING_FRACTURE:310000] [BENDING_STRAIN_AT_YIELD:73] [MAX_EDGE:10000] [STATE_COLOR:ALL_SOLID:GRAY]

V · T · E Metals
Base	Aluminum • Bismuth • Copper • Gold • Iron • Lead • Nickel • Platinum • Silver • Tin • Zinc
Alloys	Billon • Bismuth bronze • Black bronze • Brass • Bronze • Electrum • Fine pewter • Lay pewter • Nickel silver • Pig iron • Rose gold • Steel • Sterling silver • Trifle pewter
Special	Adamantine • Divine metals