Blast Furnace

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Blast Furnace
Blast Furnace (S) JE1.pngBlast Furnace (W) JE1.pngBlast Furnace (N) JE1 BE1.pngBlast Furnace (E) JE1.pngLit Blast Furnace (S) JE1.pngBlast Furnace (W) JE1.pngBlast Furnace (N) JE1 BE1.pngLit Blast Furnace (E) JE1.png
Blast Furnace (S) BE1.pngBlast Furnace (N) JE1 BE1.pngBlast Furnace (N) JE1 BE1.pngBlast Furnace (E) BE1.pngLit Blast Furnace (S) BE1.pngLit Blast Furnace (N) BE1.pngLit Blast Furnace (N) BE1.pngLit Blast Furnace (E) BE1.png
Lit Blast Furnace JE1.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, raw metals[upcoming: JE 1.17], iron armor and tools, similar to a furnace, but at twice the rate. It also serves as an armorer's job site block.

Obtaining[edit]

Breaking[edit]

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

Blast furnaces drop their contents when broken.

Block Blast Furnace
Hardness 3.5
Tool
Breaking time[A]
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 as wielded by players with no status effects, measured in seconds. For more information, see Breaking § Speed.

Natural generation[edit]

Blast furnaces can generate in any armorer house; these can be found in a village.

Crafting[edit]

Ingredients Crafting recipe
Iron Ingot +
Furnace +
Smooth Stone

Usage[edit]

Blast furnaces can be pushed by pistons.‌[Bedrock Edition only]

Smelting[edit]

Main article: Smelting

Blast furnaces are similar to furnaces, but can smelt only ore blocks and tools/armor made of iron, gold or chainmail. Blast furnaces serve as the counterpart to smokers, which are used mainly to cook food faster. 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. The product can then be collected by using the output. 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 blast 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"}.

Note Blocks[edit]

Blast furnace can be placed under note blocks to produce "bass drum" sound.

Sounds[edit]

Generic[edit]

Java Edition:

SoundSubtitleSourceDescriptionNamespaced IDTranslation keyVolumePitchAttenuation
distance
Block brokenBlocksOnce the block has brokenblock.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 breakingBlocksWhile the block is in the process of being brokenblock.stone.hitsubtitles.block.generic.hit0.250.516
Block placedBlocksWhen the block is placedblock.stone.placesubtitles.block.generic.place1.00.816
FootstepsBlocksWalking on the blockblock.stone.stepsubtitles.block.generic.footsteps0.151.016
  1. a b MC-177082

Bedrock Edition:

SoundSourceDescriptionNamespaced IDVolumePitch
BlocksOnce the block has brokendig.stone1.00.8
BlocksFalling on the block with fall damagefall.stone0.41.0
BlocksWhile the block is in the process of being brokenhit.stone0.370.5
?BlocksJumping from the blockjump.stone0.121.0
?BlocksFalling on the block without fall damageland.stone0.221.0
BlocksWalking on the blockstep.stone0.31.0
BlocksWhen the block is placeduse.stone1.00.8

Unique[edit]

Java Edition:

SoundSubtitleSourceDescriptionNamespaced IDTranslation keyVolumePitchAttenuation
distance
Blast furnace crackles?Plays randomly when activeblock.blastfurnace.fire_crackle[sound 1]subtitles.block.blastfurnace.fire_crackle<ref name="nospace" group="sound">1?16

Data values[edit]

ID[edit]

Java Edition:

NameNamespaced IDFormTranslation key
Blast Furnaceblast_furnaceBlock & Itemblock.minecraft.blast_furnace
NameNamespaced ID
Block entityblast_furnace

Bedrock Edition:

NameNamespaced IDNumeric ID FormTranslation key
Unlit blockblast_furnace451Block & Itemtile.blast_furnace.name
Lit blocklit_blast_furnace469Blocktile.lit_blast_furnace.name
NameSavegame ID
Block entityBlastFurnace

Metadata[edit]

See also: Data values

In Bedrock Edition, blast furnaces use the following data values:

Bits Values
0x1
0x2
0x4

A three-bit field storing a value from 2 to 5:

  • 2: Blast furnace facing north
  • 3: Blast furnace facing south
  • 4: Blast furnace facing west
  • 5: Blast furnace facing east

Invalid values default to 2.

0x8 Unused.

Block states[edit]

See also: Block states

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 data[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
    •  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.
    •  CustomName: Optional. The name of this container in JSON text component, which appears in its GUI where the default name ordinarily appears.
    •  Items: List of items in this 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.
        • Tags common to all items
    •  Lock: Optional. When not blank, prevents the container from being opened unless the opener is holding an item whose name matches this string.
    •  RecipesUsed: Which recipes have been used since the last time a recipe result item was manually removed from the GUI. Used to calculate experience given to the player when taking out the resulting item.
      •  recipe ID: How many times this specific recipe has been used. The recipe ID is the namespaced ID of the smelting recipe, as used in the /recipe command.

History[edit]

Java Edition
1.1418w44aBlast Furnace (N) JE1 BE1.png Blast Furnace (E) JE1.png Blast Furnace (S) JE1.png Blast Furnace (W) JE1.png Blast Furnace (N) JE1 BE1.png Lit Blast Furnace (E) JE1.png Lit Blast Furnace (S) JE1.png Blast Furnace (W) JE1.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.
19w03aSounds have been added for blast furnaces.
1.1620w06aAdded ancient debris, which can be smelted in blast furnaces.
Upcoming Java Edition
1.1721w14aRaw Metals can be smelted in blast furnaces.
Bedrock Edition
1.9.0beta 1.9.0.2Blast Furnace (N) JE1 BE1.png Blast Furnace (E) BE1.png Blast Furnace (S) BE1.png Blast Furnace (N) JE1 BE1.png Added blast furnaces.
1.10.0beta 1.10.0.3A crafting recipe has been added for the blast furnace.
Blast furnaces now generate in the new village armorer houses.
1.11.0beta 1.11.0.1Lit Blast Furnace (N) BE1.png Lit Blast Furnace (E) BE1.png Lit Blast Furnace (S) BE1.png Lit Blast Furnace (N) BE1.png Blast furnace are now functional.
Legacy Console Edition
1.91 Blast Furnace (N) JE1 BE1.png Blast Furnace (E) JE1.png Blast Furnace (S) JE1.png Blast Furnace (W) JE1.png Blast Furnace (N) JE1 BE1.png Lit Blast Furnace (E) JE1.png Lit Blast Furnace (S) JE1.png Blast Furnace (W) JE1.png Added blast furnaces.

Lit blast furnace "item"[edit]

Bedrock Edition
?Lit blast furnaces exist as an item.
?The lit furnace item is called tile.lit_blast_furnace.name.
?Lit Blast Furnace (inventory) BE.png Lit blast furnace items now look like this.

Issues[edit]

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

See also[edit]

References[edit]