Blast Furnace

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Blast Furnace
Blast Furnace JE1 BE1.png
Lit Blast Furnace JE1 BE1.gif
Renewable

Yes

Stackable

Yes (64)

Tool

Blast resistance

3.5

Hardness

3.5

Luminant

Yes (13) (when active)

Transparent

Partial (when active)

Flammable

No

Catches fire from lava

No

A blast furnace is a block that smelts ores and metal armor and tools, similar to a furnace, but at twice the rate and half the experience. It also serves as an armorer's job site block.

Occurrence[edit]

Natural generation[edit]

Blast furnaces can generate in all villages variant armorer houses.

Obtaining[edit]

Loot[edit]

From block loot[edit]

A blast furnace can be picked up by any pickaxe. If mined without a pickaxe, it does not drop anything.

Namespaced IDSourceDrops
Incorrect toolCorrect tool
blocks/blast_furnaceBlast FurnaceNothing (100%)1 (100%)

Recipes[edit]

From crafting[edit]

Ingredients Crafting recipe
Iron Ingot +
Furnace +
Smooth Stone

Usage[edit]

Info[edit]

Blast furnaces cannot be pushed by pistons.‌[Java Edition only]

Breaking[edit]

Blast furnaces can be mined using any pickaxe. If mined without a pickaxe, it drops nothing.

Block Blast Furnace
Hardness 3.5
Tool
Breaking time[note 1]
Default 17.5
Wooden 2.65
Stone 1.35
Iron 0.9
Diamond 0.7
Netherite 0.6
Golden 0.45
  1. Times are for unenchanted tools in seconds. For more information, see Breaking § Speed.

Block loot[edit]

Blast furnace drops itself when broken with the correct tool if any is assigned. Refer to § From block loot for more information.

Blast furnaces also drop all of their contents.

Smelting[edit]

Blast furnaces are similar to furnaces, but can smelt only ore blocks and tools/armor made of iron, gold or chainmail. Smelting equipment yields one iron or gold nugget from their respective materials. Once an item and a fuel are placed into the blast furnace, the block state changes to lit and the item is smelted twice as fast as a regular furnace. Fuel is also used at double the rate of regular furnaces, so the number of items smelted per fuel stays the same. However, experience earned from blast furnaces is half the amount earned from regular furnaces. The product can then be collected by pressing the use item button on the blast furnace. Like normal furnaces, a hopper can be fed into a blast furnace and can also pick up items from it.

Light source[edit]

Blast furnaces emit a light level of 13 when active, similar to normal furnaces.

Custom name[edit]

By default, the GUI of a furnace is labeled "Blast Furnace", but this name can be customized by naming it in an anvil before placing it, or by changing the CustomName tag using the /data command‌[Java Edition only].

Change profession[edit]

If a village has a blast furnace that has not been claimed by a villager, any nearby villager who hasn't chosen a job site block has a chance to change their profession to armorer.

Lock[edit]

In Java Edition, a blast furnace can be "locked" by setting its Lock tag using the /data command. If a blast furnace's Lock tag is not blank, the blast furnace cannot be opened unless the player is holding an item with the same name as the Lock tag's text. For example, to lock a blast furnace at (0,64,0) so that the blast furnace cannot be opened unless the player is holding an item named "Blast Furnace Key", use /data merge block 0 64 0 {Lock:"Blast Furnace Key"}.

Sounds[edit]

Java Edition:

SoundSubtitleSourceDescriptionNamespaced IDTranslation keyVolumePitchAttenuation distance
Block brokenBlocksBreaking the blockblock.stone.breaksubtitles.block.generic.break1.00.816
None[sound 1]BlocksFalling on the block with fall damageblock.stone.fallNone[sound 1]0.50.7516
Block breakingBlocksMining the blockblock.stone.hitsubtitles.block.generic.hit0.250.516
Block placedBlocksPlacing the blockblock.stone.placesubtitles.block.generic.place1.00.816
FootstepsBlocksWalking on the blockblock.stone.stepsubtitles.block.generic.footsteps0.151.016
Blast furnace crackles? Plays randomly when activeblock.blastfurnace.fire_crackle[1]subtitles.block.blastfurnace.fire_crackle1? 16

Data values[edit]

ID[edit]

Java Edition:

NameNamespaced IDTranslation key
Blast Furnaceblast_furnace block.minecraft.blast_furnace
NameNamespaced ID
Block entityblast_furnace

Bedrock Edition:

NameNamespaced IDNumeric ID Translation key
Unlit blockblast_furnace 451tile.blast_furnace.name
Lit blocklit_blast_furnace 469tile.lit_blast_furnace.name
NameSavegame ID
Block entity?

Block states[edit]

Java Edition:

Name Default value Allowed values Description
facingnortheast
north
south
west
The direction the blast furnace's opening faces.
The opposite from the direction the player faces while placing the blast furnace.
litfalsefalse
true
If the blast furnace is lit.

Bedrock Edition:

Name Default value Allowed values Description
facing_direction20
1
2
3
4
5
The direction the blast furnace's opening face.
Opposite from the direction the player faces when placing a blast furnace.

Block entity[edit]

A blast furnace has a block entity associated with it that holds additional data about the block.

  • Block entity data
    • Tags common to all block entities see Template:Nbt inherit/blockentity/template
    •  CustomName: Optional. The name of this container in JSON text component, which appears in its GUI where the default name ordinarily appears.
    •  Lock: Optional. When not blank, prevents the container from being opened unless the opener is holding an item whose name matches this string.
    •  Items: List of items in the container.
      • : An item in the blast furnace, including the slot tag:
        Slot 0: The item(s) being smelted.
        Slot 1: The item(s) to use as the next fuel source.
        Slot 2: The item(s) in the result slot.
    •  BurnTime: Number of ticks left before the current fuel runs out.
    •  CookTime: Number of ticks the item has been smelting for. The item finishes smelting when this value reaches 200 (10 seconds). Is reset to 0 if BurnTime reaches 0.
    •  CookTimeTotal: Number of ticks It takes for the item to be smelted.
    •  RecipeLocationN: N is the number of the recipe, starting at 0. The recipe name that has been used, used to calculate experience given to the player when taking out the resulting item.
    •  RecipeAmountN: N is the number of the recipe, starting at 0. How many times recipe N has been used, used to calculate experience given to the player when taking out the resulting item.
    •  RecipeUsedSize: How many recipes have been used, creates corresponding RecipeLocationN and RecipeAmountN tags, used to calculate experience given to the player when taking out the resulting item.

History[edit]

Java Edition
1.1418w44aBlast Furnace JE1 BE1.png Lit Blast Furnace JE1 BE1.png Added blast furnaces.
Blast furnaces are currently obtainable only through the creative inventory and the GUI can be accessed only through Spectator mode.
18w48aBlast furnaces can now generate in plains village houses.
18w50aBlast furnaces are now functional and craftable.
19w03aAdded sounds for blast furnaces.
1.1620w06aAdded ancient debris, which can be smelted in a blast furnace.
Bedrock Edition
1.9.0beta 1.9.0.2Blast Furnace JE1 BE1.png Lit Blast Furnace JE1 BE1.png Added blast furnaces.
1.10.0beta 1.10.0.3Added crafting recipe for the blast furnace.
Blast furnaces now generate in the new village armorer houses.
1.11.0beta 1.11.0.1Added blast furnace functionality.
PlayStation 4 Edition
1.91Blast Furnace JE1 BE1.png Lit Blast Furnace JE1 BE1.gif Added blast furnaces.

Issues[edit]

Issues relating to "Blast Furnace" are maintained on the bug tracker. Report issues there.

See also[edit]

References[edit]