Blast Furnace

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Blast Furnace
Blast Furnace.png
Lit Blast Furnace.png
Type

Solid Block, Tile Entity

Requirements

None

Physics

No

Transparent

Partial (when active)

Luminance

13 (when active)

Blast resistance

17.5

Hardness

3.5

Tool

Renewable

Yes

Stackable

Yes (64)

Flammable

No

Drops
Block entity ID

§ Data values

Namespaced ID

§ Data values

Information icon.svg
This feature is exclusive to Java Edition, Bedrock Edition and PlayStation 4 Edition.

A blast furnace is a block that smelts ores and metal armor and tools, similar to a furnace. It also serves as an armorer's job site block.

Obtaining[edit]

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

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

Natural generation[edit]

Blast furnaces can generate in all village variant armorer houses.

Crafting[edit]

Ingredients Crafting recipe
Iron Ingot +
Furnace +
Smooth Stone

Usage[edit]

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

Blasting[edit]

Blast furnaces are similar to furnaces, but can smelt only ore blocks and tools/armor made of iron, gold or chainmail. 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 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.

Blast resistance[edit]

Blast furnaces have a blast resistance of 17.5, the same as 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.

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"}.

Data values[edit]

ID[edit]

Java Edition:

Furnace Namespaced ID
Block blast_furnace
Block entity

Bedrock Edition:

Furnace Namespaced ID Numeric ID
Unlit block blast_furnace 451
Lit block lit_blast_furnace 469
Block entity BlastFurnace -

Block states[edit]

Java Edition:

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

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 display 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
1.1418w44aAdded blast furnaces. They 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.
Bedrock Edition
1.9.0beta 1.9.0.2Added blast furnaces.
1.10.0beta 1.10.0.3Added crafting recipe for the blast furnace.
Blast furnaces now generate in new village armorer houses.
1.11.0beta 1.11.0.1Added blast furnace functionality.
PlayStation 4 Edition
1.91Added blast furnaces.

Issues[edit]

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

See also[edit]