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Difference between revisions of "v0.34:Steel"

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(Updated information about trading to support steel industry.)
 
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{{quality|Exceptional|00:26, 22 August 2010 (UTC)}}{{Alloy3
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{{Quality|Masterwork|23:34, 27 April 2013 (UTC)}}
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{{Alloy3
 
|name=Steel
 
|name=Steel
 
|color=0:7:1
 
|color=0:7:1
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}}{{av}}
 
}}{{av}}
  
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'''Steel''' is the best common metal for smithing [[weapon]]s and [[armor]]. Products made with steel have a very high value, equal to that of [[gold]].
+
'''Steel''' is the best common metal for smithing most [[weapon]]s and [[armor]]. Products made with steel also have a very high value, equal to that of [[gold]].
  
−
Steel can be smelted 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==
 
==Sedimentary Layers==
  
−
To smelt steel, you will need [[iron]] ore, [[flux]] stone, and [[fuel]].  Flux is used to remove carbon during the smelting process, while fuel (coke or charcoal) puts it back in. 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) for making [[coke]] fuel.
+
To smelt steel, you will need [[iron]] ore, [[flux]] stone, and [[fuel]].  Flux is used to remove impurities including carbon during the smelting process, while fuel (coke or charcoal) 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) for making [[coke]] fuel.
  
 
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:
−
* hematite from [[igneous extrusive]] layers
+
* hematite from [[igneous extrusive]] layers, or iron ore imported from [[trade]] caravans
−
* melting iron items brought by [[siege]]rs and [[trade]] caravans
+
* melting iron items brought by [[siege]]rs and caravans
−
* marble from [[metamorphic]] layers
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* marble from [[metamorphic]] layers, or imported [[flux]]
−
* wood for making [[charcoal]] fuel
+
* coke from imported [[bituminous coal]], or [[charcoal]] from [[wood]]
−
(Even if you find and use magma for your furnaces, you'll still need the fuel in the smelting process, so you'll be cutting down a tree and burning it to make charcoal for every unit of hematite you manage to scrounge up.)
+
 
 +
Note that bituminous coal, like most stones, costs only 3☼ at embark or from caravans. With [[Sample_Starting_Builds#Minmax_build|a cunning enough starting build]], it is possible to embark with enough for several hundred units of coke. This is only possible if your parent [[civilization]] has access to coal; otherwise it will not be available at all, meaning you will have to cut down a tree and burn it to make charcoal for every bar of steel, even with access to magma smelters.  
  
 
==Recipe==
 
==Recipe==
−
Steel production is fairly complex compared to the creation of other alloys. ''Important note'': in steelmaking, [[coke]] or [[charcoal]] is used as an ingredient, apart from powering the furnace with [[fuel]]. A conventional (non-magma) smelter will require additionally 1 unit of fuel to power itself in each reaction.
+
Steel production is fairly complex compared to the creation of other [[alloy]]s. ''Important note'': in steelmaking, [[coke]] or [[charcoal]] is also used as an ingredient, apart from its use as [[fuel]]. A conventional (non-magma) smelter will require an additional unit of fuel in each reaction.
  
−
[[File:SteelChart.png|left|485px]]
 
 
The first step is '''to create [[pig iron]]''':
 
The first step is '''to create [[pig iron]]''':
  
 
:*1 bar of [[iron]]
 
:*1 bar of [[iron]]
 
:*1 [[flux]] stone
 
:*1 [[flux]] stone
−
:*1 unit of [[fuel]]
+
:*1 unit of [[fuel]] (as a source of carbon)
−
:*A power source (1 unit of fuel, or magma)
+
:*1 unit of fuel, or magma (to heat the forge)
 
:'''Produces''':
 
:'''Produces''':
 
:*1 bar of pig iron
 
:*1 bar of pig iron
 +
 +
[[Image:SteelSword.png|thumb|right|200px|''A [[steel]] [[short sword]].'']]
  
 
The second step combines the pig iron with plain iron '''to produce steel''':
 
The second step combines the pig iron with plain iron '''to produce steel''':
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:*1 bar of pig iron
 
:*1 bar of pig iron
 
:*1 [[flux]] stone
 
:*1 [[flux]] stone
−
:*1 unit of fuel
+
:*1 unit of fuel (as a source of carbon)
−
:*A power source (1 unit of fuel, or magma)
+
:*1 unit of fuel, or magma (to heat the forge)
 
:'''Produces''':
 
:'''Produces''':
 
:*2 bars of steel
 
:*2 bars of steel
  
−
The overall reaction consumes 2 bars of iron, 2 units of flux, and 2 units of fuel as ingredients (plus an extra 2 fuel at a conventional smelter for power). This produces 2 bars of steel.
+
The overall reaction consumes 2 bars of iron, 2 units of flux, and 2 units of fuel as ingredients (plus an extra 2 fuel at a conventional smelter for heating). This produces 2 bars of steel.
  
 
Remember that smelting [[iron]] [[ore]] also requires 1 unit of fuel at a conventional smelter, producing 4 bars of [[iron]], which translates to half a unit of additional fuel used in the recipe above (although you will need a full unit up front.)
 
Remember that smelting [[iron]] [[ore]] also requires 1 unit of fuel at a conventional smelter, producing 4 bars of [[iron]], which translates to half a unit of additional fuel used in the recipe above (although you will need a full unit up front.)
  
−
<gallery>
+
[[File:SteelChart.png|center|485px]]
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File:Steel.jpg|Steel dagger
+
 
−
</gallery>
+
==Bugs==
 +
Having a smelter/magma smelter inside a burrow can prevent the creation of steel and other alloys if any of the materials are not included in the burrow {{bug|434}}.
  
 
{{gamedata}}
 
{{gamedata}}
 
{{metals}}
 
{{metals}}

Latest revision as of 02:18, 16 December 2013

xTATTEREDx  · +FINE+  · *SUPERIOR*  · ≡EXCEPTIONAL≡  · ☼MASTERWORK☼
Steel
÷ Ω Ω Ω Ω Ω ÷
≡ ≡ = = ≡ ≡ Ω
≡ ≡ ≡ = ≡ ≡ Ω
≡ ≡ = = ≡ ≡ Ω
≡ ≡ ≡ = ≡ ≡ Ω
• • = = ≡ ≡ Ω
• • • = ≡ ≡ Ω
÷ Ω Ω Ω Ω Ω ÷
Uses
Graphic

No graphic.

Recipe
Properties

Wikipedia article

v50.14 · v0.47 · v0.34.11 · v0.31 · v0.28 · v0.23
This article is about an older version of DF.

Steel is the best common metal for smithing most weapons and armor. Products made with steel also have a very high value, equal to that of gold.

Steel can be created at a smelter by a dwarf with the furnace operator labor activated.

Sedimentary Layers[edit]

To smelt steel, you will need iron ore, flux stone, and fuel. Flux is used to remove impurities including carbon during the smelting process, while fuel (coke or charcoal) 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 layers, 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) for making coke fuel.

If you have no sedimentary layers at your fortress site, your only hope to make steel is with:

Note that bituminous coal, like most stones, costs only 3☼ at embark or from caravans. With a cunning enough starting build, it is possible to embark with enough for several hundred units of coke. This is only possible if your parent civilization has access to coal; otherwise it will not be available at all, meaning you will have to cut down a tree and burn it to make charcoal for every bar of steel, even with access to magma smelters.

Recipe[edit]

Steel production is fairly complex compared to the creation of other alloys. Important note: in steelmaking, coke or charcoal is also used as an ingredient, apart from its use as fuel. A conventional (non-magma) smelter will require an additional unit of fuel in each reaction.

The first step is to create pig iron:

  • 1 bar of iron
  • 1 flux stone
  • 1 unit of fuel (as a source of carbon)
  • 1 unit of fuel, or magma (to heat the forge)
Produces:
  • 1 bar of pig iron
A steel short sword.

The second step combines the pig iron with plain iron to produce steel:

  • 1 bar of iron
  • 1 bar of pig iron
  • 1 flux stone
  • 1 unit of fuel (as a source of carbon)
  • 1 unit of fuel, or magma (to heat the forge)
Produces:
  • 2 bars of steel

The overall reaction consumes 2 bars of iron, 2 units of flux, and 2 units of fuel as ingredients (plus an extra 2 fuel at a conventional smelter for heating). This produces 2 bars of steel.

Remember that smelting iron ore also requires 1 unit of fuel at a conventional smelter, producing 4 bars of iron, which translates to half a unit of additional fuel used in the recipe above (although you will need a full unit up front.)

SteelChart.png

Bugs[edit]

Having a smelter/magma smelter inside a burrow can prevent the creation of steel and other alloys if any of the materials are not included in the burrow Bug:434.

V · T · E
Base
Aluminum • Bismuth • Copper • Gold • Iron • Lead • Nickel • Platinum • Silver • Tin • Zinc
Alloys
Special
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