# Iron: ore to plate

Part of [Mining and metals](https://factorio.kalzumeus.com/theme/mining.md).
Everything that turns Iron ore into iron products, by the tier where each recipe is first available.
HTML page: https://factorio.kalzumeus.com/theme/metals/iron/

## Starts from

- [Iron ore](https://factorio.kalzumeus.com/item/iron-ore.md) *(ore)* — mined by: Burner mining drill (tier 0) (https://factorio.kalzumeus.com/item/burner-mining-drill.md); mined by: Electric mining drill (tier 1) (https://factorio.kalzumeus.com/item/electric-mining-drill.md); also: Iron reserve via Open pit iron mine (tier 5) (https://factorio.kalzumeus.com/item/iron-mine.md)

## Tier 0: Automation science pack ([tier 0](https://factorio.kalzumeus.com/tier/0.md))

### New this tier

- [Iron chest](https://factorio.kalzumeus.com/item/iron-chest.md) — from: 8 Iron plate (Iron chest, tier 0) (https://factorio.kalzumeus.com/item/iron-chest/#r-iron-chest)
- [Iron gear wheel](https://factorio.kalzumeus.com/item/iron-gear-wheel.md) — from: 2 Iron plate (Iron gear wheel, tier 0) (https://factorio.kalzumeus.com/item/iron-gear-wheel/#r-iron-gear-wheel)
- [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) — from: 5 Iron plate + 50 Nitrobenzene (Iron oxide, tier 4) (https://factorio.kalzumeus.com/item/iron-oxide/#r-iron-oxide)
- [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md) — from: 8 Iron ore (Iron plate, tier 0) (https://factorio.kalzumeus.com/item/iron-plate/#r-iron-plate)
- [Iron stick](https://factorio.kalzumeus.com/item/iron-stick.md) — from: 1 Iron plate (Iron stick, tier 0) (https://factorio.kalzumeus.com/item/iron-stick/#r-iron-stick)
- [Processed iron ore](https://factorio.kalzumeus.com/item/processed-iron-ore.md) — from: 5 Iron ore (Processed iron ore, tier 0) (https://factorio.kalzumeus.com/item/processed-iron-ore/#r-grade-1-iron-crush)

### Recipes

### Iron chest (`iron-chest`)

- 0.5 s · tier 0
- Ingredients: 8 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Results: 1 × [Iron chest](https://factorio.kalzumeus.com/item/iron-chest.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Assembly](https://factorio.kalzumeus.com/tech/automation.md)

### Iron gear wheel (`iron-gear-wheel`)

- 0.5 s · tier 0 · productivity modules allowed
- Ingredients: 2 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Results: 1 × [Iron gear wheel](https://factorio.kalzumeus.com/item/iron-gear-wheel.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Available from the start

### Iron oxide (`chloride-void-iron-oxide`)

- 2 s · tier 0 · productivity modules allowed
- Ingredients: 60 × [Chlorine](https://factorio.kalzumeus.com/fluid/chlorine.md), 1 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Results: 1 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Electrolysis](https://factorio.kalzumeus.com/tech/electrolysis.md)

### Iron plate (`iron-oxide-smelting`)

- 3.5 s · tier 0
- Ingredients: 20 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md)
- Results: 10 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Made in: Advanced foundry MK 01, Advanced foundry MK 02, Advanced foundry MK 03, Advanced foundry MK 04, Thermal furnace, Gas furnace, Stone furnace
- Unlocked by: [Coal processing](https://factorio.kalzumeus.com/tech/coal-processing-1.md)

### Iron plate (`iron-plate`)

- 10 s · tier 0 · productivity modules allowed
- Ingredients: 8 × [Iron ore](https://factorio.kalzumeus.com/item/iron-ore.md)
- Results: 1 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Made in: Advanced foundry MK 01, Advanced foundry MK 02, Advanced foundry MK 03, Advanced foundry MK 04, Thermal furnace, Gas furnace, Stone furnace
- Available from the start

### Iron plate (`low-grade-smelting-iron`)

- 6 s · tier 0
- Ingredients: 3 × [Processed iron ore](https://factorio.kalzumeus.com/item/processed-iron-ore.md)
- Results: 1 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Made in: Advanced foundry MK 01, Advanced foundry MK 02, Advanced foundry MK 03, Advanced foundry MK 04, Thermal furnace, Gas furnace, Stone furnace
- Unlocked by: [Crusher](https://factorio.kalzumeus.com/tech/crusher.md)

### Iron stick (`iron-stick`)

- 0.5 s · tier 0 · productivity modules allowed
- Ingredients: 1 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Results: 2 × [Iron stick](https://factorio.kalzumeus.com/item/iron-stick.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Available from the start

### Processed iron ore (`grade-1-iron-crush`)

- 2 s · tier 0
- Ingredients: 5 × [Iron ore](https://factorio.kalzumeus.com/item/iron-ore.md)
- Results: 1 × [Stone](https://factorio.kalzumeus.com/item/stone.md), 3 × [Processed iron ore](https://factorio.kalzumeus.com/item/processed-iron-ore.md)
- Made in: Jaw crusher MK 01, Jaw crusher MK 02, Jaw crusher MK 03, Jaw crusher MK 04
- Unlocked by: [Crusher](https://factorio.kalzumeus.com/tech/crusher.md)

## Tier 1: pY science pack 1 ([tier 1](https://factorio.kalzumeus.com/tier/1.md))

### New this tier

- [Iron oxide tile](https://factorio.kalzumeus.com/item/py-iron-oxide.md) — from: 4 Iron oxide + 1 Pipe + 20 Muddy sludge (Iron oxide tile, tier 1) (https://factorio.kalzumeus.com/item/py-iron-oxide/#r-py-iron-oxide)
- [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md) — from: 5 Processed iron ore + 3 Borax + 60 Oxygen (Molten iron, tier 1) (https://factorio.kalzumeus.com/fluid/molten-iron/#r-molten-iron-05)

### Recipes

### Iron oxide tile (`py-iron-oxide`)

- 3 s · tier 1
- Ingredients: 4 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 1 × [Pipe](https://factorio.kalzumeus.com/item/pipe.md), 20 × [Muddy sludge](https://factorio.kalzumeus.com/fluid/muddy-sludge.md)
- Results: 2 × [Iron oxide tile](https://factorio.kalzumeus.com/item/py-iron-oxide.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Floor tiles - Stage 1](https://factorio.kalzumeus.com/tech/py-asphalt.md)

### Iron plate (`hotair-iron-plate-1`)

- 4 s · tier 1
- Ingredients: 100 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md)
- Results: 75 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Made in: Casting unit MK 01, Casting unit MK 01 (Legacy), Casting unit MK 02, Casting unit MK 02 (Legacy), Casting unit MK 03, Casting unit MK 03 (Legacy), Casting unit MK 04, Casting unit MK 04 (Legacy)
- Unlocked by: [Iron processing - Stage 1](https://factorio.kalzumeus.com/tech/iron-mk01.md)

### Iron plate (`iron-plate-1`)

- 4 s · tier 1
- Ingredients: 100 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md)
- Results: 60 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Made in: Casting unit MK 01, Casting unit MK 01 (Legacy), Casting unit MK 02, Casting unit MK 02 (Legacy), Casting unit MK 03, Casting unit MK 03 (Legacy), Casting unit MK 04, Casting unit MK 04 (Legacy)
- Unlocked by: [Iron processing - Stage 1](https://factorio.kalzumeus.com/tech/iron-mk01.md)

### Molten iron (`molten-iron-05`)

- 4 s · tier 1
- Ingredients: 5 × [Processed iron ore](https://factorio.kalzumeus.com/item/processed-iron-ore.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 10 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md)
- Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04
- Unlocked by: [Iron processing - Stage 1](https://factorio.kalzumeus.com/tech/iron-mk01.md)

## Tier 2: Logistic science pack ([tier 2](https://factorio.kalzumeus.com/tier/2.md))

### New this tier

- [Iron (grade 1)](https://factorio.kalzumeus.com/item/grade-1-iron.md) — from: 1 Iron (grade 2) (Iron (grade 1), tier 2) (https://factorio.kalzumeus.com/item/grade-1-iron/#r-grade-2-crush)
- [Iron (grade 2)](https://factorio.kalzumeus.com/item/grade-2-iron.md) — byproduct of: 5 Processed iron ore → 1 Iron (grade 1) + 0.5 Iron (grade 2) + 0.5 Iron (grade 3) (Iron (grade 1), tier 2) (https://factorio.kalzumeus.com/item/grade-2-iron/#r-grade-2-iron)
- [Iron (grade 3)](https://factorio.kalzumeus.com/item/grade-3-iron.md) — byproduct of: 5 Processed iron ore → 1 Iron (grade 1) + 0.5 Iron (grade 2) + 0.5 Iron (grade 3) (Iron (grade 1), tier 2) (https://factorio.kalzumeus.com/item/grade-3-iron/#r-grade-2-iron)
- [Iron ore dust](https://factorio.kalzumeus.com/item/iron-ore-dust.md) — from: 1 Iron (grade 1) (Iron ore dust, tier 2) (https://factorio.kalzumeus.com/item/iron-ore-dust/#r-iron-ore-dust)
- [Iron pulp (stage 1)](https://factorio.kalzumeus.com/fluid/iron-pulp-01.md) — from: 3 Iron ore dust + 300 Water (Iron pulp (stage 1), tier 2) (https://factorio.kalzumeus.com/fluid/iron-pulp-01/#r-classify-iron-ore-dust)
- [Iron slime](https://factorio.kalzumeus.com/fluid/iron-slime.md) — from: 140 Iron oxide + 300 Tailings (Iron slime, tier 2) (https://factorio.kalzumeus.com/fluid/iron-slime/#r-iron-slime)
- [Iron tile](https://factorio.kalzumeus.com/item/py-iron.md) — from: 4 Iron plate + 1 Iron stick + 5 Organic solvent (Iron tile, tier 2) (https://factorio.kalzumeus.com/item/py-iron/#r-py-iron)
- [Unslimed iron](https://factorio.kalzumeus.com/item/unslimed-iron.md) — from: 100 Iron slime + 200 Water (Unslimed iron, tier 2) (https://factorio.kalzumeus.com/item/unslimed-iron/#r-unslimed-iron)

### Recipes

### Iron (grade 1) (`grade-2-crush`)

- 1 s · tier 2
- Ingredients: 1 × [Iron (grade 2)](https://factorio.kalzumeus.com/item/grade-2-iron.md)
- Results: 0.5 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md) (50% chance), 1 × [Iron (grade 1)](https://factorio.kalzumeus.com/item/grade-1-iron.md)
- Made in: Impact crusher MK 01, Impact crusher MK 02, Impact crusher MK 03, Impact crusher MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Iron (grade 1) (`grade-2-iron`)

- 3 s · tier 2
- Ingredients: 5 × [Processed iron ore](https://factorio.kalzumeus.com/item/processed-iron-ore.md)
- Results: 1 × [Iron (grade 1)](https://factorio.kalzumeus.com/item/grade-1-iron.md), 0.5 × [Iron (grade 2)](https://factorio.kalzumeus.com/item/grade-2-iron.md) (50% chance), 0.5 × [Iron (grade 3)](https://factorio.kalzumeus.com/item/grade-3-iron.md) (50% chance)
- Made in: Automated screener MK 01, Automated screener MK 02, Automated screener MK 03, Automated screener MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Iron (grade 2) (`grade-3-iron-processing`)

- 3 s · tier 2
- Ingredients: 1 × [Iron (grade 3)](https://factorio.kalzumeus.com/item/grade-3-iron.md)
- Results: 1 × [Iron (grade 2)](https://factorio.kalzumeus.com/item/grade-2-iron.md)
- Made in: Secondary crusher MK 01, Secondary crusher MK 02, Secondary crusher MK 03, Secondary crusher MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Iron ore dust (`iron-ore-dust`)

- 2 s · tier 2
- Ingredients: 1 × [Iron (grade 1)](https://factorio.kalzumeus.com/item/grade-1-iron.md)
- Results: 1 × [Iron ore dust](https://factorio.kalzumeus.com/item/iron-ore-dust.md)
- Made in: Ball mill MK 01, Ball mill MK 02, Ball mill MK 03, Ball mill MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Iron pulp (stage 1) (`classify-iron-ore-dust`)

- 2.5 s · tier 2
- Ingredients: 3 × [Iron ore dust](https://factorio.kalzumeus.com/item/iron-ore-dust.md), 300 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 50 × [Iron pulp (stage 1)](https://factorio.kalzumeus.com/fluid/iron-pulp-01.md), 50 × [Iron slime](https://factorio.kalzumeus.com/fluid/iron-slime.md)
- Made in: Hydroclassifier MK 01, Hydroclassifier MK 02, Hydroclassifier MK 03, Hydroclassifier MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Iron slime (`iron-slime`)

- 3 s · tier 2
- Ingredients: 140 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 300 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md)
- Results: 50 × [Iron slime](https://factorio.kalzumeus.com/fluid/iron-slime.md)
- Made in: Mixer MK 01, Mixer MK 02, Mixer MK 03, Mixer MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Iron tile (`py-iron`)

- 3 s · tier 2
- Ingredients: 4 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md), 1 × [Iron stick](https://factorio.kalzumeus.com/item/iron-stick.md), 5 × [Organic solvent](https://factorio.kalzumeus.com/fluid/organic-solvent.md)
- Results: 2 × [Iron tile](https://factorio.kalzumeus.com/item/py-iron.md)
- Made in: Evaporator MK 01, Evaporator MK 01 (Legacy), Evaporator MK 02, Evaporator MK 02 (Legacy), Evaporator MK 03, Evaporator MK 03 (Legacy), Evaporator MK 04, Evaporator MK 04 (Legacy)
- Unlocked by: [Floor tiles - Stage 2](https://factorio.kalzumeus.com/tech/py-asphalt-mk02.md)

### Molten iron (`molten-iron-06`)

- 4 s · tier 2
- Ingredients: 1 × [Unslimed iron](https://factorio.kalzumeus.com/item/unslimed-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 40 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md)
- Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Unslimed iron (`unslimed-iron`)

- 3 s · tier 2
- Ingredients: 100 × [Iron slime](https://factorio.kalzumeus.com/fluid/iron-slime.md), 200 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 100 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 1 × [Unslimed iron](https://factorio.kalzumeus.com/item/unslimed-iron.md)
- Made in: Hydroclassifier MK 01, Hydroclassifier MK 02, Hydroclassifier MK 03, Hydroclassifier MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

### Unslimed iron (`unslimed-iron-2`)

- 3 s · tier 2
- Ingredients: 300 × [Iron pulp (stage 1)](https://factorio.kalzumeus.com/fluid/iron-pulp-01.md), 200 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 100 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 1 × [Unslimed iron](https://factorio.kalzumeus.com/item/unslimed-iron.md)
- Made in: Hydrocyclone MK 01, Hydrocyclone MK 02, Hydrocyclone MK 03, Hydrocyclone MK 04
- Unlocked by: [Iron processing - Stage 2](https://factorio.kalzumeus.com/tech/iron-mk02.md)

## Tier 4: pY science pack 2 ([tier 4](https://factorio.kalzumeus.com/tier/4.md))

### Recipes

### Iron oxide (`iron-oxide`)

- 5 s · tier 4 · productivity modules allowed
- Ingredients: 5 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md), 50 × [Nitrobenzene](https://factorio.kalzumeus.com/fluid/nitrobenzene.md)
- Results: 10 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md)
- Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04
- Unlocked by: [Nitrobenzene](https://factorio.kalzumeus.com/tech/nitrobenzene.md)

## Tier 5: Chemical science pack ([tier 5](https://factorio.kalzumeus.com/tier/5.md))

### New this tier

- [Fine iron concentrate](https://factorio.kalzumeus.com/item/iron-dust-concentrate.md) — from: 1 Iron concentrate (Fine iron concentrate, tier 5) (https://factorio.kalzumeus.com/item/iron-dust-concentrate/#r-iron-ore-dust-2)
- [High grade iron](https://factorio.kalzumeus.com/item/high-grade-iron.md) — from: 450 Iron pulp (stage 7) + 1 Filtration media (High grade iron, tier 5) (https://factorio.kalzumeus.com/item/high-grade-iron/#r-high-grade-iron)
- [Iron concentrate](https://factorio.kalzumeus.com/item/iron-concentrate.md) — from: 100 Iron pulp (stage 1) + 100 Water (Iron concentrate, tier 5) (https://factorio.kalzumeus.com/item/iron-concentrate/#r-iron-concentrate)
- [Iron pulp (stage 2)](https://factorio.kalzumeus.com/fluid/iron-pulp-02.md) — from: 4 Unslimed iron + 50 Petroleum sulfonates + 50 Oleochemicals (Iron pulp (stage 2), tier 5) (https://factorio.kalzumeus.com/fluid/iron-pulp-02/#r-iron-pulp-02)
- [Iron pulp (stage 3)](https://factorio.kalzumeus.com/fluid/iron-pulp-03.md) — from: 100 Iron pulp (stage 2) + 50 Xylenol (Iron pulp (stage 3), tier 5) (https://factorio.kalzumeus.com/fluid/iron-pulp-03/#r-iron-pulp-03)
- [Iron pulp (stage 4)](https://factorio.kalzumeus.com/fluid/iron-pulp-04.md) — from: 500 Iron pulp (stage 3) + 50 Organic solvent + 150 Pressurized air (Iron pulp (stage 4), tier 5) (https://factorio.kalzumeus.com/fluid/iron-pulp-04/#r-iron-pulp-04)
- [Iron pulp (stage 5)](https://factorio.kalzumeus.com/fluid/iron-pulp-05.md) — from: 100 Iron pulp (stage 4) + 300 Water + 150 Pressurized air (Iron pulp (stage 5), tier 5) (https://factorio.kalzumeus.com/fluid/iron-pulp-05/#r-iron-pulp-05)
- [Iron pulp (stage 6)](https://factorio.kalzumeus.com/fluid/iron-pulp-06.md) — from: 100 Iron pulp (stage 5) + 50 Sulfuric acid + 150 Pressurized air (Iron pulp (stage 6), tier 5) (https://factorio.kalzumeus.com/fluid/iron-pulp-06/#r-iron-pulp-06)
- [Iron pulp (stage 7)](https://factorio.kalzumeus.com/fluid/iron-pulp-07.md) — from: 3 Fine iron concentrate + 100 Armac 12-D (Iron pulp (stage 7), tier 5) (https://factorio.kalzumeus.com/fluid/iron-pulp-07/#r-iron-pulp-07)
- [Open pit iron mine](https://factorio.kalzumeus.com/item/iron-mine.md) — from: 2 Automated factory MK 01 + 20 Electric mining drill + 50 Stainless steel + 50 Nexelit plate + 40 Aramid fiber + 50 Iron plate + 30 Complex circuit board + 5 Graphene roll + 20 Neuroprocessor + 1 Fluid mining drill MK 03 + 20 Self assembly monolayer material + 10 Cobalt chromium alloy + 1 Mechanical Parts 01 + 10 Mechanical Parts 02 (Open pit iron mine, tier 5) (https://factorio.kalzumeus.com/item/iron-mine/#r-iron-mine)

### Recipes

### Fine iron concentrate (`iron-ore-dust-2`)

- 3 s · tier 5
- Ingredients: 1 × [Iron concentrate](https://factorio.kalzumeus.com/item/iron-concentrate.md)
- Results: 0.3 × [Iron ore dust](https://factorio.kalzumeus.com/item/iron-ore-dust.md) (30% chance), 0.5 × [Fine iron concentrate](https://factorio.kalzumeus.com/item/iron-dust-concentrate.md) (50% chance)
- Made in: Ball mill MK 01, Ball mill MK 02, Ball mill MK 03, Ball mill MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### High grade iron (`high-grade-iron`)

- 10 s · tier 5
- Ingredients: 450 × [Iron pulp (stage 7)](https://factorio.kalzumeus.com/fluid/iron-pulp-07.md), 1 × [Filtration media](https://factorio.kalzumeus.com/item/filtration-media.md)
- Results: 7 × [High grade iron](https://factorio.kalzumeus.com/item/high-grade-iron.md)
- Made in: Filter MK 01, Filter MK 02, Filter MK 03, Filter MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron concentrate (`iron-concentrate`)

- 3 s · tier 5
- Ingredients: 100 × [Iron pulp (stage 1)](https://factorio.kalzumeus.com/fluid/iron-pulp-01.md), 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 1 × [Iron concentrate](https://factorio.kalzumeus.com/item/iron-concentrate.md), 100 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 50 × [Coal water slurry](https://factorio.kalzumeus.com/fluid/coal-slurry.md)
- Made in: Jig concentrator MK 01, Jig concentrator MK 02, Jig concentrator MK 03, Jig concentrator MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron gear wheel (`hotair-casting-gear`)

- 4 s · tier 5 · productivity modules allowed
- Ingredients: 40 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 1 × [Advanced casting](https://factorio.kalzumeus.com/item/mold.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md)
- Results: 50 × [Iron gear wheel](https://factorio.kalzumeus.com/item/iron-gear-wheel.md)
- Made in: Casting unit MK 01, Casting unit MK 01 (Legacy), Casting unit MK 02, Casting unit MK 02 (Legacy), Casting unit MK 03, Casting unit MK 03 (Legacy), Casting unit MK 04, Casting unit MK 04 (Legacy)
- Unlocked by: [Casting - Stage 2](https://factorio.kalzumeus.com/tech/casting-mk02.md)

### Iron pulp (stage 2) (`iron-pulp-02`)

- 3 s · tier 5
- Ingredients: 4 × [Unslimed iron](https://factorio.kalzumeus.com/item/unslimed-iron.md), 50 × [Petroleum sulfonates](https://factorio.kalzumeus.com/fluid/petroleum-sulfonates.md), 50 × [Oleochemicals](https://factorio.kalzumeus.com/fluid/oleochemicals.md)
- Results: 400 × [Iron pulp (stage 2)](https://factorio.kalzumeus.com/fluid/iron-pulp-02.md)
- Made in: Centrifugal pan MK 01, Centrifugal pan MK 02, Centrifugal pan MK 03, Centrifugal pan MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron pulp (stage 3) (`iron-pulp-03`)

- 3 s · tier 5
- Ingredients: 100 × [Iron pulp (stage 2)](https://factorio.kalzumeus.com/fluid/iron-pulp-02.md), 50 × [Xylenol](https://factorio.kalzumeus.com/fluid/xylenol.md)
- Results: 50 × [Iron pulp (stage 3)](https://factorio.kalzumeus.com/fluid/iron-pulp-03.md)
- Made in: Leaching station MK 01, Leaching station MK 02, Leaching station MK 03, Leaching station MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron pulp (stage 4) (`iron-pulp-04`)

- 3 s · tier 5
- Ingredients: 500 × [Iron pulp (stage 3)](https://factorio.kalzumeus.com/fluid/iron-pulp-03.md), 50 × [Organic solvent](https://factorio.kalzumeus.com/fluid/organic-solvent.md), 150 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 500 × [Iron pulp (stage 4)](https://factorio.kalzumeus.com/fluid/iron-pulp-04.md)
- Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron pulp (stage 5) (`iron-pulp-05`)

- 3 s · tier 5
- Ingredients: 100 × [Iron pulp (stage 4)](https://factorio.kalzumeus.com/fluid/iron-pulp-04.md), 300 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 150 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 100 × [Iron pulp (stage 5)](https://factorio.kalzumeus.com/fluid/iron-pulp-05.md)
- Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron pulp (stage 6) (`iron-pulp-06`)

- 3 s · tier 5
- Ingredients: 100 × [Iron pulp (stage 5)](https://factorio.kalzumeus.com/fluid/iron-pulp-05.md), 50 × [Sulfuric acid](https://factorio.kalzumeus.com/fluid/sulfuric-acid.md), 150 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 100 × [Iron pulp (stage 6)](https://factorio.kalzumeus.com/fluid/iron-pulp-06.md), 100 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 50 × [Iron pulp (stage 2)](https://factorio.kalzumeus.com/fluid/iron-pulp-02.md)
- Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron pulp (stage 7) (`iron-pulp-06-thickener`)

- 3 s · tier 5
- Ingredients: 100 × [Iron pulp (stage 6)](https://factorio.kalzumeus.com/fluid/iron-pulp-06.md)
- Results: 50 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md), 50 × [Iron pulp (stage 7)](https://factorio.kalzumeus.com/fluid/iron-pulp-07.md)
- Made in: Thickener MK 01, Thickener MK 02, Thickener MK 03, Thickener MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron pulp (stage 7) (`iron-pulp-07`)

- 2.5 s · tier 5
- Ingredients: 3 × [Fine iron concentrate](https://factorio.kalzumeus.com/item/iron-dust-concentrate.md), 100 × [Armac 12-D](https://factorio.kalzumeus.com/fluid/armac-12.md)
- Results: 100 × [Iron pulp (stage 7)](https://factorio.kalzumeus.com/fluid/iron-pulp-07.md)
- Made in: Flotation cell MK 01, Flotation cell MK 02, Flotation cell MK 03, Flotation cell MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Iron stick (`hotair-casting-sticks`)

- 6 s · tier 5 · productivity modules allowed
- Ingredients: 70 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 1 × [Advanced casting](https://factorio.kalzumeus.com/item/mold.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md)
- Results: 100 × [Iron stick](https://factorio.kalzumeus.com/item/iron-stick.md)
- Made in: Casting unit MK 01, Casting unit MK 01 (Legacy), Casting unit MK 02, Casting unit MK 02 (Legacy), Casting unit MK 03, Casting unit MK 03 (Legacy), Casting unit MK 04, Casting unit MK 04 (Legacy)
- Unlocked by: [Casting - Stage 2](https://factorio.kalzumeus.com/tech/casting-mk02.md)

### Molten iron (`molten-iron-03`)

- 4 s · tier 5
- Ingredients: 1 × [High grade iron](https://factorio.kalzumeus.com/item/high-grade-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 150 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md)
- Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04
- Unlocked by: [Iron processing - Stage 3](https://factorio.kalzumeus.com/tech/iron-mk03.md)

### Open pit iron mine (`iron-mine`)

- 2 s · tier 5
- Ingredients: 2 × [Automated factory MK 01](https://factorio.kalzumeus.com/item/automated-factory-mk01.md), 20 × [Electric mining drill](https://factorio.kalzumeus.com/item/electric-mining-drill.md), 50 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 50 × [Nexelit plate](https://factorio.kalzumeus.com/item/nexelit-plate.md), 40 × [Aramid fiber](https://factorio.kalzumeus.com/item/aramid.md), 50 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md), 30 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 5 × [Graphene roll](https://factorio.kalzumeus.com/item/graphene-roll.md), 20 × [Neuroprocessor](https://factorio.kalzumeus.com/item/neuroprocessor.md), 1 × [Fluid mining drill MK 03](https://factorio.kalzumeus.com/item/fluid-drill-mk03.md), 20 × [Self assembly monolayer material](https://factorio.kalzumeus.com/item/self-assembly-monolayer.md), 10 × [Cobalt chromium alloy](https://factorio.kalzumeus.com/item/crco-alloy.md), 1 × [Mechanical Parts 01](https://factorio.kalzumeus.com/item/mechanical-parts-01.md), 10 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md)
- Results: 1 × [Open pit iron mine](https://factorio.kalzumeus.com/item/iron-mine.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Big Mines](https://factorio.kalzumeus.com/tech/big-mines.md)

## Tier 6: pY science pack 3 ([tier 6](https://factorio.kalzumeus.com/tier/6.md))

### New this tier

- [Iron Nanoparticles](https://factorio.kalzumeus.com/item/iron-nanoparticles.md) — from: 1 Dodecylamine (DDA) + 5 Plastic bar + 10 Iron plate + 5 Copper plate + 1 Special small parts + 1 Lead container (Iron Nanoparticles, tier 6) (https://factorio.kalzumeus.com/item/iron-nanoparticles/#r-iron-nanoparticles)

### Recipes

### Iron Nanoparticles (`iron-nanoparticles`)

- 10 s · tier 6 · productivity modules allowed
- Ingredients: 1 × [Dodecylamine (DDA)](https://factorio.kalzumeus.com/item/dodecylamine.md), 5 × [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md), 10 × [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md), 5 × [Copper plate](https://factorio.kalzumeus.com/item/copper-plate.md), 1 × [Special small parts](https://factorio.kalzumeus.com/item/small-parts-03.md), 1 × [Lead container](https://factorio.kalzumeus.com/item/lead-container.md)
- Results: 2 × [Iron Nanoparticles](https://factorio.kalzumeus.com/item/iron-nanoparticles.md)
- Made in: Direct reduction plant
- Unlocked by: [MOFs](https://factorio.kalzumeus.com/tech/mof.md)

## Tier 7: Production science pack ([tier 7](https://factorio.kalzumeus.com/tier/7.md))

### New this tier

- [Reduced 99.9% iron](https://factorio.kalzumeus.com/item/reduced-iron.md) — from: 1 High grade iron + 2 Sodium sulfate + 50 Diesel + 100 Pressurized air (Reduced 99.9% iron, tier 7) (https://factorio.kalzumeus.com/item/reduced-iron/#r-reduction-iron)
- [Sponge iron](https://factorio.kalzumeus.com/item/sponge-iron.md) — from: 10 Iron oxide + 2 Sodium sulfate + 100 Light oil + 100 Pressurized air (Sponge iron, tier 7) (https://factorio.kalzumeus.com/item/sponge-iron/#r-sponge-iron)

### Recipes

### Arsenic (`arsenic`)

- 20 s · tier 7
- Ingredients: 10 × [Iron ore](https://factorio.kalzumeus.com/item/iron-ore.md), 10 × [Copper ore](https://factorio.kalzumeus.com/item/copper-ore.md), 20 × [Rich clay](https://factorio.kalzumeus.com/item/rich-clay.md), 10 × [Lead ore](https://factorio.kalzumeus.com/item/ore-lead.md), 10 × [Antimony ore](https://factorio.kalzumeus.com/item/antimonium-ore.md)
- Results: 1 × [Arsenic](https://factorio.kalzumeus.com/item/arsenic.md), 5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md)
- Made in: Smelter MK 01, Smelter MK 02, Smelter MK 03, Smelter MK 04
- Unlocked by: [Large scale integrated circuits](https://factorio.kalzumeus.com/tech/integrated-circuits-3.md)

### Molten iron (`molten-iron-02`)

- 4 s · tier 7
- Ingredients: 1 × [Reduced 99.9% iron](https://factorio.kalzumeus.com/item/reduced-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 200 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md)
- Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04
- Unlocked by: [Iron processing - Stage 4](https://factorio.kalzumeus.com/tech/iron-mk04.md)

### Reduced 99.9% iron (`reduction-iron`)

- 5 s · tier 7
- Ingredients: 1 × [High grade iron](https://factorio.kalzumeus.com/item/high-grade-iron.md), 2 × [Sodium sulfate](https://factorio.kalzumeus.com/item/sodium-sulfate.md), 50 × [Diesel](https://factorio.kalzumeus.com/fluid/diesel.md), 100 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 1 × [Reduced 99.9% iron](https://factorio.kalzumeus.com/item/reduced-iron.md)
- Made in: Direct reduction plant
- Unlocked by: [Iron processing - Stage 4](https://factorio.kalzumeus.com/tech/iron-mk04.md)

### Sponge iron (`sponge-iron`)

- 5 s · tier 7
- Ingredients: 10 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 2 × [Sodium sulfate](https://factorio.kalzumeus.com/item/sodium-sulfate.md), 100 × [Light oil](https://factorio.kalzumeus.com/fluid/light-oil.md), 100 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 1 × [Sponge iron](https://factorio.kalzumeus.com/item/sponge-iron.md), 400 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.md)
- Made in: Direct reduction plant
- Unlocked by: [Steel - Stage 3](https://factorio.kalzumeus.com/tech/steel-mk03.md)

## Tier 9: Utility science pack ([tier 9](https://factorio.kalzumeus.com/tier/9.md))

### New this tier

- [Sintered iron](https://factorio.kalzumeus.com/item/sintered-iron.md) — from: 1 Reduced 99.9% iron + 3 Lime + 100 Syngas + 100 Pressurized air (Sintered iron, tier 9) (https://factorio.kalzumeus.com/item/sintered-iron/#r-sinter-iron-2)

### Recipes

### Molten iron (`molten-iron-01`)

- 4 s · tier 9
- Ingredients: 1 × [Sintered iron](https://factorio.kalzumeus.com/item/sintered-iron.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 150 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md)
- Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04
- Unlocked by: [Iron processing - Stage 5](https://factorio.kalzumeus.com/tech/iron-mk05.md)

### Sintered iron (`sinter-iron-2`)

- 4 s · tier 9
- Ingredients: 1 × [Reduced 99.9% iron](https://factorio.kalzumeus.com/item/reduced-iron.md), 3 × [Lime](https://factorio.kalzumeus.com/item/lime.md), 100 × [Syngas](https://factorio.kalzumeus.com/fluid/syngas.md), 100 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 2 × [Sintered iron](https://factorio.kalzumeus.com/item/sintered-iron.md)
- Made in: Sinter plant
- Unlocked by: [Iron processing - Stage 5](https://factorio.kalzumeus.com/tech/iron-mk05.md)

## Unlocked by upgrade choices, not research

### Recipes

### Unslimed iron (`simik-iron`)

- 80 s · tier ?
- Ingredients: 4 × [Geothermal Water barrel](https://factorio.kalzumeus.com/item/geothermal-water-barrel.md), 50 × [Iron ore](https://factorio.kalzumeus.com/item/iron-ore.md), 1 × [Biosample](https://factorio.kalzumeus.com/item/bio-sample.md), 30 × [Pressurized air](https://factorio.kalzumeus.com/fluid/pressured-air.md)
- Results: 2 × [Sponge iron](https://factorio.kalzumeus.com/item/sponge-iron.md), 4 × [Unslimed iron](https://factorio.kalzumeus.com/item/unslimed-iron.md), 4 × [Hot air barrel](https://factorio.kalzumeus.com/item/hot-air-barrel.md)
- Made in: Simik den MK 01, Simik den MK 02, Simik den MK 03, Simik den MK 04
- Unlocked by an upgrade choice (script), not research

## Alloys and mixed-metal products using this metal

- [Arsenic](https://factorio.kalzumeus.com/item/arsenic.md) *(alloy)* — from: 10 Iron ore + 10 Copper ore + 20 Rich clay + 10 Lead ore + 10 Antimony ore (Arsenic, tier 7) (https://factorio.kalzumeus.com/item/arsenic/#r-arsenic); combines: Antimony + Copper + Iron + Lead
- [Bolts](https://factorio.kalzumeus.com/item/bolts.md) *(alloy)* — from: 2 Iron stick (Bolts, tier 0) (https://factorio.kalzumeus.com/item/bolts/#r-bolts); combines: Boron + Iron
- [Ferrite](https://factorio.kalzumeus.com/item/ferrite.md) *(alloy)* — from: 20 Iron oxide + 3 Nichrome + 10 Zinc plate (Ferrite, tier 4) (https://factorio.kalzumeus.com/item/ferrite/#r-ferrite); combines: Iron + Zinc
- [Iron nexelit antimony special alloy](https://factorio.kalzumeus.com/item/fenxsb-alloy.md) *(alloy)* — from: 7 Iron plate + 2 Nexelit plate + 1 Antimony oxide (Iron nexelit antimony special alloy, tier 1) (https://factorio.kalzumeus.com/item/fenxsb-alloy/#r-fenxsb-alloy-2); combines: Iron + Nexelit
- [Iron niobium alloy](https://factorio.kalzumeus.com/item/nbfe-alloy.md) *(alloy)* — from: 15 Iron plate + 4 Niobium plate (Iron niobium alloy, tier 2) (https://factorio.kalzumeus.com/item/nbfe-alloy/#r-nbfe-alloy); combines: Iron + Niobium
- [Magnetic beads](https://factorio.kalzumeus.com/item/magnetic-beads.md) *(alloy)* — from: 5 Iron plate + 3 Nickel plate + 6 Agar + 2 Aluminium plate (Magnetic beads, tier 5) (https://factorio.kalzumeus.com/item/magnetic-beads/#r-magnetic-beads); combines: Aluminium + Iron + Nickel
- [Nanocrystalline core](https://factorio.kalzumeus.com/item/nanocrystaline-core.md) *(alloy)* — from: 5 Niobium plate + 10 Silicon + 5 Iron plate + 3 Boron + 5 Copper plate + 2 Gold plate (Nanocrystalline core, tier 7) (https://factorio.kalzumeus.com/item/nanocrystaline-core/#r-nanocrystaline-core); combines: Copper + Iron + Niobium
- [Neodymium ferroboron alloy](https://factorio.kalzumeus.com/item/ndfeb-alloy.md) *(alloy)* — from: 12 Iron plate + 5 Rare earth oxides + 4 Boron + 5 Borax + 1 Fuel rod MK 01 + 2 Sand casting + 100 Oxygen (Neodymium ferroboron alloy, tier 5) (https://factorio.kalzumeus.com/item/ndfeb-alloy/#r-ndfeb-alloy); combines: Boron + Iron
- [Phenothiazine](https://factorio.kalzumeus.com/item/phenothiazine.md) *(alloy)* — from: 1 Fiberboard + 2 Iron plate + 50 Pre phenothiazine + 5 Sulfur + 5 Aluminium plate + 50 Butanol (Phenothiazine, tier 7) (https://factorio.kalzumeus.com/item/phenothiazine/#r-phenothiazine); combines: Aluminium + Iron
- [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md) *(alloy)* — from: 12 Iron oxide + 6 Crushed quartz + 5 Phosphate rock + 50 Acetylene + 1 Sodium sulfate (Phosphate glass, tier 5) (https://factorio.kalzumeus.com/item/phosphate-glass/#r-phosphate-glass); combines: Iron + Quartz
- [Shaft MK01](https://factorio.kalzumeus.com/item/shaft-mk01.md) *(alloy)* — from: 5 Iron nexelit antimony special alloy + 5 Solder + 5 Small parts (Shaft MK01, tier 1) (https://factorio.kalzumeus.com/item/shaft-mk01/#r-shaft-mk01); combines: Iron + Nexelit
- [Small parts](https://factorio.kalzumeus.com/item/small-parts-01.md) *(alloy)* — from: 1 Iron gear wheel + 3 Copper cable + 3 Bolts (Small parts, tier 0) (https://factorio.kalzumeus.com/item/small-parts-01/#r-small-parts-01); combines: Boron + Copper + Iron