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Game Mechanic: Steelmaking
gamemechanicinfo-steelmaking
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Steelmaking
Scorching hot ovens abound, telltale signs of industry
The earliest form of steel, Blister Steel, requires the construction of a cementation furnace. This structure is used to slowly enrich iron with carbon (carburization).
Construction
Building a cementation furnace requires around 65 blocks of refractory bricks, which come in 3 different qualities: tier 1, tier 2 and tier 3. Each tier is more robust against heat damage than the last. You will also need 6 refractory brick gratings and a solid or windowed iron door. Build two stone coffin sections and two stone coffin lids from either granite, andesite, basalt or peridotite. Place a 3x2 flooring of grating. In the middle of it, place both stone coffin sections in opposing directions, so as to create a large container. With ashift + rightmouse click on the stone coffin you will see an outline showing where you have to place the remaining refractory bricks and the iron door. You can add additional refractory bricks on the outside of the structure, if you wish, but keep the air pathways in the interior of the structure clear.
Firing
Once that is ready, fill the stone coffin to the top with 16 iron ingots and charcoal or coke. Then, dig out an empty space two blocks below each stone coffin section - this is where you have to place 2 piles of coal (or charcoal) in order to fire the furnace. You can use a chisel to build a small retaining wall so that the coal doesn't fall to the sides while piling. Once all is ready, ignite the coal piles.
You can verify the furnace is working by looking into it through the door (but we don't recommend you go inside there, it's quite hot!) Fire particles should emanate from the burning coal and smoke should exit from the chimney. You will need to replenish and re-light the coal piles approximately once a day, but leave the stone coffin closed. Firing will take about one week in total, after which you can break the stone coffin to get blister steel.
Refining
Blister steel needs to be worked on an iron anvil to create steel. You can create an iron anvil by smithing the bottom and top halfs on a bronze anvil. Place the parts on the ground on top of each other with some flux in between, then hammer a few times to create the iron anvil.
Scorching hot ovens abound, telltale signs of industry
The earliest form of steel, Blister Steel, requires the construction of a cementation furnace. This structure is used to slowly enrich iron with carbon (carburization).
Construction
Building a cementation furnace requires around 65 blocks of refractory bricks, which come in 3 different qualities: tier 1, tier 2 and tier 3. Each tier is more robust against heat damage than the last. You will also need 6 refractory brick gratings and a solid or windowed iron door. Build two stone coffin sections and two stone coffin lids from either granite, andesite, basalt or peridotite. Place a 3x2 flooring of grating. In the middle of it, place both stone coffin sections in opposing directions, so as to create a large container. With a
Firing
Once that is ready, fill the stone coffin to the top with 16 iron ingots and charcoal or coke. Then, dig out an empty space two blocks below each stone coffin section - this is where you have to place 2 piles of coal (or charcoal) in order to fire the furnace. You can use a chisel to build a small retaining wall so that the coal doesn't fall to the sides while piling. Once all is ready, ignite the coal piles.
You can verify the furnace is working by looking into it through the door (but we don't recommend you go inside there, it's quite hot!) Fire particles should emanate from the burning coal and smoke should exit from the chimney. You will need to replenish and re-light the coal piles approximately once a day, but leave the stone coffin closed. Firing will take about one week in total, after which you can break the stone coffin to get blister steel.
Refining
Blister steel needs to be worked on an iron anvil to create steel. You can create an iron anvil by smithing the bottom and top halfs on a bronze anvil. Place the parts on the ground on top of each other with some flux in between, then hammer a few times to create the iron anvil.