Induction Smelter


Induction Smelter

Will absolutely not cook food.

An induction smelter, or smelter for short, is a machine that smelts items together at high temperatures. Despite the name, the machine cannot be used for smelting.

Obtaining

A placed induction smelter can be instantly picked up by dismantling it with a wrench. Its configuration is preserved in the item. It can also be mined using a pickaxe, though this can be much slower.

Crafting

Upgrading

An induction smelter is initially at the lowest tier (basic). It can be upgraded to higher tiers using upgrade kits and conversion kits.

Usage

Placement

When placed, an induction smelter faces the player. It can face any of the four cardinal directions, and can be rotated using a wrench.

Processing

An induction smelter has two input slots. When combinations of items are placed in these slots, the machine will start consuming Redstone Flux to process them. Every item combination requires a certain amount of energy to process. When enough energy has been consumed for an item combination, the input is consumed and the output is placed in the primary output slot. A secondary output may be produced when processing certain items, which is placed in the secondary output slot.

When installed, a pyro-concentrator allows an induction smelter to consume blazing pyrotheum, which is stored in an added input tank.

The speed at which an induction smelter processes items depends on how much energy it can use per tick. This in turn depends on how much power is being supplied, and on the machine’s maximum power usage. A basic smelter has a maximum power usage of 20 RF/t. This can be increased by upgrading the machine to a higher tier, and by installing certain augments.

Input and output

Items and fluids can enter and exit an induction smelter through its sides. Every side of a smelter may correspond to one of its input slots, one of its output slots, or certain slots at the same time. Fluids can enter a smelter through any side.

An induction smelter can automatically transfer items out of any sides that directly correspond to one of its output slots. This is called auto-output. It can also transfer items from adjacent inventories into any sides that directly correspond to one of its input slots. This is called auto-input. Auto-output and auto-input occur whenever the machine finishes processing an item, or every 32 ticks (1.6 seconds) if the machine is inactive.

A basic induction smelter can automatically transfer up to 16 items at a time. This amount can be increased by upgrading the machine to a higher tier.

Which sides correspond to which slots/tanks and whether auto-output and auto-input are enabled can be configured using the Configuration tab in the machine’s GUI.

One of an induction smelter’s input slots can be locked to only accept metallurgical fluxes: sand, soul sand, rich slag and cinnabar. These items are commonly used in smelter recipes. The slot is locked by default.

Redstone control

An induction smelter may be configured to respond to redstone signals. It can be in one of three modes:

Ignored
Redstone control is disabled. The smelter works whenever possible. This is the default mode.
Low
The smelter works when not powered. When powered, it stops working.
High
The smelter only works when powered.

The current mode can be set using the Redstone Control tab in the machine’s GUI.

Security

An induction smelter can have a signalum security lock installed to restrict who can access it.

Redprints

An induction smelter’s configuration can be saved on a redprint to be copied to other induction smelters.

Light source

When an induction smelter is active, it emits a light level of 14.

Tiers

Induction smelters come in five tiers.

TierMax. power usageAugment slotsMax. items per auto-transfer
Basic20 RF/t016
Hardened30 RF/t116
Reinforced40 RF/t228
Signalum50 RF/t344
Resonant60 RF/t464

Augmentation

An induction smelter can have augments installed to improve certain properties or to change how it works. The amount of augments that can be installed depends on the machine’s tier. A basic smelter cannot be augmented.

Augments can be installed in the Augmentation tab in a smelter’s GUI.

AugmentInstallable inDescription
Augment: Auxiliary Reception CoilAuxiliary Reception CoilAny machineIncreases a machine's maximum power usage (speed). However, also increases the amount of energy required per operation. Can be installed multiple times.
Augment: Auxiliary SieveAuxiliary SieveMachines with
secondary products
Increases the chances of a machine producing a secondary product. However, also increases the amount of energy required per operation. Can be installed multiple times.
Augment: Nullification ChamberNullification ChamberMachines with
secondary products
Destroys excess secondary products when a machine's secondary output slot/tank is full, allowing it to keep working.
Augment: Metallurgical RecoveryMetallurgical RecoveryInduction SmelterProvides a chance for an induction smelter to not consume metallurgical fluxes (such as sand and rich slag). However, also increases the amount of energy required per operation. Can be installed multiple times.
Augment: Pyro-ConcentratorPyro-ConcentratorInduction SmelterA specialization that allows for an induction smelter to process ores more efficiently using blazing pyrotheum. 100 mB of pyrotheum is consumed per ore.

Recipes

General

Result(s)IngredientsEnergyInduction Smelter recipe
Metal Ingot
Slag
Any Metal Dust +
Sand
1,000 RF
Pulverized Iron
Sand
Iron Ingot
Slag
25%
Fluxed Electrum Ingot
Fluxed Electrum Blend +
Sand
4,000 RF
Fluxed Electrum Blend
Sand
Fluxed Electrum Ingot
Stone Bricks
Slag
Cobblestone +
Sand
4,000 RF
Cobblestone
2
Sand
Stone Bricks
Slag
100%
Nether Brick
Sulfur
Netherrack +
Soul Sand
4,000 RF
Netherrack
2
Soul Sand
Nether Brick
2
Sulfur
25%
Hardened Glass
Pulverized Lead +
Pulverized Obsidian
8,000 RF
Pulverized Lead
Pulverized Obsidian
4
Hardened Glass
2
Metal Hardened Glass
Rich Slag
Hardened Glass +
Metal Dust
6,000 RF
Hardened Glass
2
Pulverized Copper
Hardened Copper Glass
2
Rich Slag
15%

Ore processing

Ore processing with rich slag

Ore processing with cinnabar

Alloying

Recycling

Result(s)IngredientsEnergyInduction Smelter recipe
Metal Ingot
Slag
Any Metal Gear +
Sand
3,000 RF
Iron Gear
Sand
Iron Ingot
4
Slag
20%
Metal Ingot
Slag
Any Metal Plate +
Sand
2,000 RF
Iron Plate
Sand
Iron Ingot
Slag
10%
Iron Ingot
Slag
Anvil +
Sand
4,000 RF
Anvil
Sand
Iron Ingot
31
Slag
50%
Iron Ingot
Slag
Slightly Damaged Anvil +
Sand
4,000 RF
Slightly Damaged Anvil
Sand
Iron Ingot
23
Slag
75%
Iron Ingot
Slag
Very Damaged Anvil +
Sand
4,000 RF
Very Damaged Anvil
Sand
Iron Ingot
15
Slag
100%
Iron Ingot
Slag
Weighted Pressure Plate (Heavy) +
Sand
4,000 RF
Weighted Pressure Plate (Heavy)
Sand
Iron Ingot
2
Slag
10%
Gold Ingot
Slag
Weighted Pressure Plate (Light) +
Sand
4,000 RF
Weighted Pressure Plate (Light)
Sand
Gold Ingot
2
Slag
10%
Iron Ingot
Slag
Bucket +
Sand
4,000 RF
Bucket
Sand
Iron Ingot
3
Slag
15%
Iron Ingot
Slag
Cauldron +
Sand
4,000 RF
Cauldron
Sand
Iron Ingot
7
Slag
35%
Gold Ingot
Rich Slag
Clock +
Sand
4,000 RF
Clock
Sand
Gold Ingot
4
Rich Slag
20%
Iron Ingot
Rich Slag
Compass +
Sand
4,000 RF
Compass
Sand
Iron Ingot
4
Rich Slag
20%
Iron Ingot
Slag
Iron Door +
Sand
4,000 RF
Iron Door
Sand
Iron Ingot
2
Slag
10%
Iron Ingot
Slag
Hopper +
Sand
4,000 RF
Hopper
Sand
Iron Ingot
5
Slag
25%
Iron Nugget
Slag
Iron Bars +
Sand
4,000 RF
Iron Bars
Sand
Iron Nugget
3
Slag
5%
Iron Ingot
Slag
Iron Trapdoor +
Sand
4,000 RF
Iron Trapdoor
Sand
Iron Ingot
3
Slag
5%
Iron Ingot
Slag
Minecart +
Sand
4,000 RF
Minecart
Sand
Iron Ingot
4
Slag
20%
Iron Ingot
Slag
Minecart with Chest +
Sand
4,000 RF
Minecart with Chest
Sand
Iron Ingot
4
Slag
20%
Iron Ingot
Slag
Minecart with Furnace +
Sand
4,000 RF
Minecart with Furnace
Sand
Iron Ingot
4
Slag
30%
Iron Ingot
Slag
Minecart with Hopper +
Sand
4,000 RF
Minecart with Hopper
Sand
Iron Ingot
8
Slag
20%
Iron Nugget
Slag
Rail +
Sand
4,000 RF
Rail
Sand
Iron Nugget
3
Slag
5%
Gold Nugget
Slag
Powered Rail +
Sand
4,000 RF
Powered Rail
Sand
Gold Nugget
6
Slag
10%
Metal Ingot
Slag
Any Metal Pickaxe +
Sand
6,000 RF
Iron Pickaxe
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Shovel +
Sand
6,000 RF
Iron Shovel
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Axe +
Sand
6,000 RF
Iron Axe
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Hoe +
Sand
6,000 RF
Iron Hoe
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Fishing Rod +
Sand
6,000 RF
Iron Fishing Rod
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Shears +
Sand
6,000 RF
Shears
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Hammer +
Sand
6,000 RF
Iron Hammer
Sand
Iron Ingot
2
Slag
15%
Metal Ingot
Slag
Any Metal Excavator +
Sand
6,000 RF
Iron Excavator
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Sickle +
Sand
6,000 RF
Iron Sickle
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Sword +
Sand
6,000 RF
Iron Sword
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Reinforced Bow +
Sand
6,000 RF
Iron Reinforced Bow
Sand
Iron Ingot
Slag
10%
Metal Ingot
Slag
Any Metal Shield +
Sand
6,000 RF
Iron Shield
Sand
Iron Ingot
3
Slag
20%
Metal Ingot
Slag
Any Metal Helmet +
Sand
6,000 RF
Iron Helmet
Sand
Iron Ingot
2
Slag
15%
Metal Ingot
Slag
Any Metal Chestplate +
Sand
6,000 RF
Iron Chestplate
Sand
Iron Ingot
4
Slag
25%
Metal Ingot
Slag
Any Metal Leggings +
Sand
6,000 RF
Iron Leggings
Sand
Iron Ingot
3
Slag
20%
Metal Ingot
Slag
Any Metal Boots +
Sand
6,000 RF
Iron Boots
Sand
Iron Ingot
2
Slag
15%
Metal Ingot
Slag
Any Metal Horse Armor +
Sand
6,000 RF
Iron Horse Armor
Sand
Iron Ingot
2
Slag
15%
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Last updated: 2026-11-01 17:49:53 +0000