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− | {{Quality| | + | {{migrated article}} |
+ | {{Quality|Unrated}} | ||
{{Alloy3 | {{Alloy3 | ||
|name=Steel | |name=Steel | ||
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}}{{av}} | }}{{av}} | ||
− | '''Steel''' is an [[alloy]] of [[iron]] and carbon ([[fuel|refined coal]]), made at a smelter. It is the best common | + | '''Steel''' is an [[alloy]] of [[iron]] and carbon ([[fuel|refined coal]]), made at a smelter. It is the best common metal for smithing most [[weapon]]s and [[armor]]. Steel also has the third highest value of all metals, tied with that of [[gold]]. |
Steel can be created at a [[smelter]] by a [[dwarf]] with the [[furnace operator]] [[labor]] activated. | Steel can be created at a [[smelter]] by a [[dwarf]] with the [[furnace operator]] [[labor]] activated. | ||
− | + | ==Sedimentary layers== | |
− | + | To smelt steel, you will need [[iron]] [[bar]]s, [[flux]] stone, and [[fuel]]. Flux is used to remove impurities, including carbon, during the smelting process, while fuel (charcoal or coke) removes oxygen and puts back in a small amount of carbon. The end result is steel: iron with just the right amount of carbon in it. The three ores of iron (hematite, magnetite, and limonite) can only be found in [[sedimentary layer]]s, with the exception of hematite, which can occasionally be found in igneous extrusive layers. Furthermore, four of the five [[flux]] stones (calcite, chalk, dolomite, and limestone) are found only in sedimentary layers, as well as both [[coal]] ores (bituminous coal and lignite). | |
− | To smelt steel, you will need [[iron]] [[bar]]s, [[flux]] stone, and [[fuel]]. Flux is used to remove impurities, including carbon, during the smelting process, while fuel (charcoal or coke) removes oxygen and puts back in a small amount of carbon. The end result is steel: iron with just the right amount of carbon in it. The three ores of iron (hematite, magnetite, and limonite) can only be found in [[sedimentary layer]]s, with the exception of hematite, which can occasionally be found in igneous extrusive layers. Furthermore, four of the five [[flux]] | ||
If you have no sedimentary layers at your fortress site, your only hope to make steel is with: | If you have no sedimentary layers at your fortress site, your only hope to make steel is with: | ||
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<!-- EDITORS: If you think these calculations are incorrect, please explain on the Talk page. Also see "100% Recipe" in notes at bottom. --> | <!-- EDITORS: If you think these calculations are incorrect, please explain on the Talk page. Also see "100% Recipe" in notes at bottom. --> | ||
− | Steel production is fairly complex compared to the creation of other [[alloy]]s, which only involves one step to combine bars of different pure | + | Steel production is fairly complex compared to the creation of other [[alloy]]s, which only involves one step to combine bars of different pure [[metal]]s to create the final product. Steelmaking from iron bars* has 2 steps, and both steps require coke or charcoal ''as part of the actual reaction'', combining that "[[fuel]]" with the other ingredients. This is required ''in addition'' to any heating source, if using a non-magma smelter (full details below). |
: ''(* If starting from iron ''[[ore]]'', you will first need to create iron bars. Steel (or Pig Iron) cannot be created directly from ore. 1 ore creates 4 bars, but the recipe only requires 2 at a time.)'' | : ''(* If starting from iron ''[[ore]]'', you will first need to create iron bars. Steel (or Pig Iron) cannot be created directly from ore. 1 ore creates 4 bars, but the recipe only requires 2 at a time.)'' | ||
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You can fully automate the production of steel via the use of a [[work order]]. The arrangement of these orders would be: | You can fully automate the production of steel via the use of a [[work order]]. The arrangement of these orders would be: | ||
− | :*Make 9 [[coke]] from [[bituminous coal]] (18 [[lignite]], or 72 [[charcoal]]), then add the {{K|c}}ondition to restart if completed, checked daily (press {{K|+}} or {{K|-}} until "Restart if completed, checked daily" is visible). | + | :*Make 9 [[coke]] from [[bituminous coal]] (or 18 [[lignite]], or make 72 [[charcoal]]), then add the {{K|c}}ondition to restart if completed, checked daily (press {{K|+}} or {{K|-}} until "Restart if completed, checked daily" is visible). |
:*Smelt 8 [[magnetite]] ''(or [[hematite]] or [[limonite]])'' [[ore]], then add the {{K|c}}ondition to restart if completed, checked daily. then set the {{K|o}}rder condition to "Make 9 [[coke]] from [[bituminous coal]]" | :*Smelt 8 [[magnetite]] ''(or [[hematite]] or [[limonite]])'' [[ore]], then add the {{K|c}}ondition to restart if completed, checked daily. then set the {{K|o}}rder condition to "Make 9 [[coke]] from [[bituminous coal]]" | ||
:*Make 16 pig iron bars, then add the {{K|c}}ondition to restart if completed, checked daily. then set the {{K|o}}rder condition to "Smelt 8 magnetite ''(or etc.)'' ores" | :*Make 16 pig iron bars, then add the {{K|c}}ondition to restart if completed, checked daily. then set the {{K|o}}rder condition to "Smelt 8 magnetite ''(or etc.)'' ores" | ||
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This automated process would produce 32 steel bars every 4 days, assuming you have an adequate flow of ore, coke-producing stone, flux stone and labourers. You can also make multiple work order sets to increase production as much as necessary. | This automated process would produce 32 steel bars every 4 days, assuming you have an adequate flow of ore, coke-producing stone, flux stone and labourers. You can also make multiple work order sets to increase production as much as necessary. | ||
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Alternatively, you can put together a pipeline: | Alternatively, you can put together a pipeline: |