Editing 40d:Metal industry

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The metal industry can be quite profitable, as pursuit of high-[[quality]] weapons and armour for your military or statues and furniture for hallways and rooms can provide many lesser-grade items to [[trade]] or [[melt]] down and recycle. 

==Raw material==
===Ore===
[[Ore]] is a generic term given to a mineral which can be refined to produce a [[metal]]. Within the game this is done at a [[smelter]].

By default, all ore is reserved for smelting rather than being available for use by [[mason]]s or [[stonecrafters]].

You can adjust the preferences in the [[Status#Stone Status Screen|Stone Status Screen]] to free ores for uses other than smelting. This can be a quick way around producing high-value furniture from [[gold nuggets]] (or similar high-value ores) by using a mason rather than refining the ore and producing furniture using your metalsmith.

===Bars===
Once an ore is smelted into pure metal, it becomes a [[bar]] of that metal.  Sometimes ores and/or bars can be combined to produce [[alloys]], which also come in bars.

===Captured items===
[[Melting]] the weapons and armor of invaders is a very lucrative source of metal bars while your mining and smelting operations are being established.

To melt a captured items they must be individually designated for melting. A "Melt object" job must be issued at a smelter. When both these actions have been taken a dwarf with assigned to the [[furnace operator]] labor will collect the item and melt it at a smelter.

===Heat sources===
Producing metal from ore, and turning the metal into finished products, requires a large amount of heat.  This can come in two forms:

====Conventional vs Magma powered====
Conventional (non-magma) smelters and forges require fuel to run them.  Magma versions require only an open floor to magma below them.  

====Fuel====
[[Fuel]] for the metal industry is processed at a [[smelter]] or [[wood burner]], but [[magma smelter]]s and [[magma forge]]s do not need conventional fuel to operate.

Producing [[steel]] will require [[refined coal]] (also known out of game as '''fuel''') even at a magma smelter, either in the form of [[coke]] or [[charcoal]]. [[Pig iron]] is made by smelting 1 [[iron]] with 1 refined coal and 1 [[flux]], and steel is made by smelting 1 iron bar with 1 pig iron, 1 more refined coal and 1 more flux, producing a final product of 2 steel bars.  In the end, each steel produced requires 1 iron ore, 1 flux, and 1 refined coal, regardless of where it is processed. (See [[Fuel]] and [[Smelting]].)

====Stockpiles====
Ore will be placed in stone [[stockpile]]s by dwarves with the [[stone hauling]] labour enabled. The stockpile must be set for required '''ore''' to be {{k|p}}ermitted but it can have '''Economic''' and '''Other''' stones {{k|f}}orbidden.

For continuous operation of smelters, stockpiles of ore, as well as flux and refined coal if producing iron or steel, should be located nearby the smelter. Refined coal will be placed in a [[bar]] stockpile which has [[coal]] {{key|p}}ermitted.

Captured items can be placed in a stockpile reserved for metal weapons &/or armor that is "unusable". Designating every item for melting can be done easily if this stockpile is set to not no bins.

===Smelters:Forges===

Because smelters can be slower than forges, especially when producing steel bars and/or items that consume several bars at a time, providing several smelters (and smelter operators) per working forge is recommended.

[[Clutter]] can be a problem as well, especially when smelting steel or bituminous coal, and multiple smelters can be rotated as one becomes cluttered and the next activated.

==Completed products==
Through a variety of labours and workshops, the metal industry can create high value [[armor]], [[furniture]], [[weapons]] and [[craft]]s.

Metal products have advantages over similar items created from other materials.

Firstly they are intrinsically high [[value]]. 

Secondly they are heat resistant. No metal can be [[fire safe|burned]], and several metals resist melting.
These [[magma-safe]] metals are [[Adamantine]], [[Iron]], [[Nickel]], [[Nickel silver]], [[Platinum]] and [[Steel]].

Finally, in the arms race, metal weapons and armor are superior to other materials in dealing out or protection from injury.

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===Armour===-->
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==Furniture==
Metal furniture is created by a [[metalsmith]] (that is, a dwarf with the [[blacksmithing]] [[labor]] activated) at a forge using metal [[bars]].

The high value of metal furniture can assist in appeasing the requirements of [[nobility]], providing happy [[thoughts]] as dwarves use a [[well]], pass communal or private [[cages]] or [[statues]], or in creating high-rent [[rooms]] once you have established an [[economy]]. This can also create high value [[trade]] goods.

As discussed above, metal furniture is heat resistant. This can be useful in [[Defense design|fortress defence]] and in [[construction]].


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==Summary==
[[Image:Metal Flowchart.JPG|thumb|flowchart of raw materials and produce created through the metal industry]]
=====Required worker / tasks =====
*[[Miner]] / mining, producing ore, flux and coke.
*[[Peasant]] / for the large volume of raw materials used, it is generally inefficient to use skilled labour for hauling. Due to the heavy weight of many ores and bars, improve Strength [[attribute]]s are desirable over untrained haulers.
*[[Wood burner]] / Produce charcoal (a [[fuel]])
*[[Furnace operator]] / Produce bars from raw ingredients, produce coke (a [[fuel]])
*[[Armorsmith]] / Produce metal armor from bars
*[[Metalsmith]] / Produce metal [[block]]s or [[furniture]] (including [[anvil]]s, [[bin]]s, [[bucket]]s, and [[cage]]s) from bars
*[[Weaponsmith]] / Produce metal [[weapon]]s, [[crossbow]]s, [[bolt]]s, and [[trap weapon]]s from bars

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COPIED FROM CLOTHING INDUSTRY PAGE, AS A MODEL

=====Required buildings=====
*[[Farm]]
*[[Farmer's workshop]]
*[[Loom]]
*[[Clothier's shop]]
*Either a [[Millstone]] or a [[Quern]]
**A Millstone requires a millstone item and a power connection. A Quern only requires a quern item.
*[[Dyer's shop]] which also requires
**[[Barrel]]
**[[Bucket]]

==Sample Industry Plan==

If your intent is to produce equal volumes of thread and dye (so that all of your thread can be dyed) then you could establish a year-round growing cycle with two equally-sized plots above and below ground as follows:
{| class="wikitable"
|-
!
! Spring
! Summer
! Autumn
! Winter
|-
| '''Underground'''
| [[Dimple cup]]
| [[Pig tail]]
| [[Pig tail]]
| [[Dimple cup]]
|-
| '''Above ground'''
| [[Rope reed]]
| [[Sliver barb]]
| [[Blade weed]]
| [[Rope reed]]
|}
This will give you one cloth crop and one dye crop each harvest.  This is not the only way to do it, but it is an example of a growing plan that will keep a [[miller]], a [[thresher]], a [[dyer]], a [[weaver]], and some [[grower]]s employed evenly year-round and provide high-value materials for any tailors in your fort.  If you have access to [[silk]] on your map, you may prefer to substitute a food crop for one of the fiber crops, or brew the excess [[pig tail]] into [[dwarven ale]].
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[[Category:Industry]]