# Iron oxide

Pyanodons item · internal name `iron-oxide` · stack size 100 · first craftable in tier 0 (Automation science pack, [tier 0](https://factorio.kalzumeus.com/tier/0.md))
HTML page: https://factorio.kalzumeus.com/item/iron-oxide/

## Produced by (22 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)

### 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 oxide (`pyrite-burn`)

- 4 s · tier 2 · productivity modules allowed
- Ingredients: 5 × [Pyrite](https://factorio.kalzumeus.com/item/pyrite.md)
- Results: 50 × [Acid gas](https://factorio.kalzumeus.com/fluid/acidgas.md), 12 × [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: [Pyrite](https://factorio.kalzumeus.com/tech/pyrite.md)

### Ash separation (`ash-separation`)

- 1 s · tier 0 · productivity modules allowed
- Ingredients: 10 × [Ash](https://factorio.kalzumeus.com/item/ash.md)
- Results: 0.5 × [Coal dust](https://factorio.kalzumeus.com/item/coal-dust.md) (50% chance), 0.05 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (5% chance), 0.2 × [Soot](https://factorio.kalzumeus.com/item/soot.md) (20% chance)
- Made in: Solid separator MK 01, Solid separator MK 02, Solid separator MK 03, Solid separator MK 04
- Unlocked by: [Ash separation](https://factorio.kalzumeus.com/tech/ash-separation.md)

### Coal (`distilled-raw-coal`)

- 2 s · tier 0
- Ingredients: 10 × [Raw coal](https://factorio.kalzumeus.com/item/raw-coal.md)
- Results: 60 × [Coal gas](https://factorio.kalzumeus.com/fluid/coal-gas.md), 30 × [Tar](https://factorio.kalzumeus.com/fluid/tar.md), 0.2 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (20% chance), 3 × [Coal](https://factorio.kalzumeus.com/item/coal.md)
- Made in: Destructive distillation column MK 01, Destructive distillation column MK 02, Destructive distillation column MK 03, Destructive distillation column MK 04
- Unlocked by: [Coal processing](https://factorio.kalzumeus.com/tech/coal-processing-1.md)

### Coal gas from coal (`coal-gas`)

- 3 s · tier 0 · productivity modules allowed
- Ingredients: 10 × [Coal](https://factorio.kalzumeus.com/item/coal.md)
- Results: 40 × [Coal gas](https://factorio.kalzumeus.com/fluid/coal-gas.md), 50 × [Tar](https://factorio.kalzumeus.com/fluid/tar.md), 0.3 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (30% chance), 6 × [Coke](https://factorio.kalzumeus.com/item/coke.md)
- Made in: Destructive distillation column MK 01, Destructive distillation column MK 02, Destructive distillation column MK 03, Destructive distillation column MK 04
- Unlocked by: [Coal processing](https://factorio.kalzumeus.com/tech/coal-processing-1.md)

### Coal gas from wood (`coal-gas-from-wood`)

- 3 s · tier 0 · productivity modules allowed
- Ingredients: 10 × [Wood](https://factorio.kalzumeus.com/item/wood.md)
- Results: 10 × [Coal gas](https://factorio.kalzumeus.com/fluid/coal-gas.md), 30 × [Tar](https://factorio.kalzumeus.com/fluid/tar.md), 0.3 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (30% chance), 10 × [Coal](https://factorio.kalzumeus.com/item/coal.md)
- Made in: Destructive distillation column MK 01, Destructive distillation column MK 02, Destructive distillation column MK 03, Destructive distillation column MK 04
- Unlocked by: [Coal processing](https://factorio.kalzumeus.com/tech/coal-processing-1.md)

### Antimony (grade 2) (`sb-grade-01`)

- 5 s · tier 1
- Ingredients: 10 × [Antimony ore](https://factorio.kalzumeus.com/item/antimonium-ore.md)
- Results: 5 × [Antimony (grade 1)](https://factorio.kalzumeus.com/item/sb-grade-01.md), 3 × [Antimony (grade 2)](https://factorio.kalzumeus.com/item/sb-grade-02.md), 2 × [Stone](https://factorio.kalzumeus.com/item/stone.md), 0.3 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (30% chance)
- Made in: Automated screener MK 01, Automated screener MK 02, Automated screener MK 03, Automated screener MK 04
- Unlocked by: [Antimony processing - Stage 1](https://factorio.kalzumeus.com/tech/antimony-mk01.md)

### Coarse classification (`coarse-classification`)

- 1 s · tier 1 · productivity modules allowed
- Ingredients: 20 × [Coarse fraction](https://factorio.kalzumeus.com/item/coarse.md)
- Results: 5 × [Stone](https://factorio.kalzumeus.com/item/stone.md), 2 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 4 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md)
- Made in: Classifier MK 01, Classifier MK 01 (Legacy), Classifier MK 02, Classifier MK 02 (Legacy), Classifier MK 03, Classifier MK 03 (Legacy), Classifier MK 04, Classifier MK 04 (Legacy)
- Unlocked by: [Separation](https://factorio.kalzumeus.com/tech/separation.md)

### Gravel (`sand-classification`)

- 1 s · tier 1 · productivity modules allowed
- Ingredients: 20 × [Sand](https://factorio.kalzumeus.com/item/sand.md)
- Results: 0.5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (50% chance), 4 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md), 0.05 × [Crushed quartz](https://factorio.kalzumeus.com/item/crushed-quartz.md) (5% chance)
- Made in: Classifier MK 01, Classifier MK 01 (Legacy), Classifier MK 02, Classifier MK 02 (Legacy), Classifier MK 03, Classifier MK 03 (Legacy), Classifier MK 04, Classifier MK 04 (Legacy)
- Unlocked by: [Separation](https://factorio.kalzumeus.com/tech/separation.md)

### Chromite sand (`richdust-separation`)

- 1 s · tier 2 · productivity modules allowed
- Ingredients: 25 × [Rich dust](https://factorio.kalzumeus.com/item/rich-dust.md)
- Results: 2 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 3 × [Chromite sand](https://factorio.kalzumeus.com/item/chromite-sand.md)
- Made in: Solid separator MK 01, Solid separator MK 02, Solid separator MK 03, Solid separator MK 04
- Unlocked by: [Advanced separation](https://factorio.kalzumeus.com/tech/fluid-separation.md)

### Rare earth concentrate (`ree-concentrate1`)

- 8 s · tier 2 · productivity modules allowed
- Ingredients: 100 × [Rare earth solution](https://factorio.kalzumeus.com/fluid/ree-solution.md)
- Results: 6 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 10 × [Rare earth concentrate](https://factorio.kalzumeus.com/item/ree-concentrate.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: [Rare earth technology](https://factorio.kalzumeus.com/tech/rare-earth-tech.md)

### Rare earth oxides (`reo`)

- 5 s · tier 2 · productivity modules allowed
- Ingredients: 10 × [Rare earth concentrate](https://factorio.kalzumeus.com/item/ree-concentrate.md)
- Results: 2 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 5 × [Rare earth oxides](https://factorio.kalzumeus.com/item/reo.md)
- Made in: Solid separator MK 01, Solid separator MK 02, Solid separator MK 03, Solid separator MK 04
- Unlocked by: [Rare earth technology](https://factorio.kalzumeus.com/tech/rare-earth-tech.md)

### Concentrated titanium (`concentrated-ti`)

- 4 s · tier 4
- Ingredients: 1 × [High grade titanium powder](https://factorio.kalzumeus.com/item/high-grade-ti-powder.md)
- Results: 1 × [Concentrated titanium](https://factorio.kalzumeus.com/item/concentrated-ti.md), 0.5 × [Raw nexelit](https://factorio.kalzumeus.com/item/nexelit-ore.md) (50% chance), 0.5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (50% chance)
- Made in: Solid separator MK 01, Solid separator MK 02, Solid separator MK 03, Solid separator MK 04
- Unlocked by: [Titanium processing - Stage 2](https://factorio.kalzumeus.com/tech/titanium-mk02.md)

### Aluminium pulp (stage 3) (`al-pulp-03`)

- 2.25 s · tier 5
- Ingredients: 300 × [Aluminium pulp (stage 2)](https://factorio.kalzumeus.com/fluid/al-pulp-02.md), 38 × [Alamac](https://factorio.kalzumeus.com/fluid/alamac.md)
- Results: 300 × [Aluminium pulp (stage 3)](https://factorio.kalzumeus.com/fluid/al-pulp-03.md), 1 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md)
- Made in: Leaching station MK 01, Leaching station MK 02, Leaching station MK 03, Leaching station MK 04
- Unlocked by: [Aluminium processing - Stage 3](https://factorio.kalzumeus.com/tech/aluminium-mk03.md)

### Quartz pulp (stage 2) (`quartz-pulp-02`)

- 2 s · tier 5
- Ingredients: 100 × [Quartz pulp (stage 1)](https://factorio.kalzumeus.com/fluid/quartz-pulp-01.md), 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 10 × [Sand](https://factorio.kalzumeus.com/item/sand.md)
- Results: 50 × [Quartz pulp (stage 2)](https://factorio.kalzumeus.com/fluid/quartz-pulp-02.md), 0.5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md) (50% chance)
- Made in: Scrubber MK 01, Scrubber MK 02, Scrubber MK 03, Scrubber MK 04
- Unlocked by: [Quartz processing - Stage 3](https://factorio.kalzumeus.com/tech/quartz-mk03.md)

### 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)

### Auog paddock MK 03 (`auog-paddock-mk03-with-dirt`)

- 0.5 s · tier ?
- Ingredients: 1 × [Auog paddock MK 02](https://factorio.kalzumeus.com/item/auog-paddock-mk02.md), 25 × [Niobium titanium alloy](https://factorio.kalzumeus.com/item/nbti-alloy.md), 20 × [Complex circuit board](https://factorio.kalzumeus.com/item/advanced-circuit.md), 30 × [Neuromorphic chip](https://factorio.kalzumeus.com/item/neuromorphic-chip.md), 1 × [Heat exchanger MK01](https://factorio.kalzumeus.com/item/py-heat-exchanger.md), 30 × [Special small parts](https://factorio.kalzumeus.com/item/small-parts-03.md), 40 × [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md), 5 × [Nano Structured Material](https://factorio.kalzumeus.com/item/ns-material.md), 1 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md)
- Results: 1 × [Auog paddock MK 03](https://factorio.kalzumeus.com/item/auog-paddock-mk03.md), 6 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.md), 3 × [Coal dust](https://factorio.kalzumeus.com/item/coal-dust.md), 11 × [Gravel](https://factorio.kalzumeus.com/item/gravel.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 an upgrade choice (script), not research

### Sawblade (`py-sawblade-module-mk01`)

- 10 s · tier ?
- Ingredients: 5 × [Steel plate](https://factorio.kalzumeus.com/item/steel-plate.md), 5 × [Small parts](https://factorio.kalzumeus.com/item/small-parts-01.md), 200 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 1 × [Sawblade](https://factorio.kalzumeus.com/item/py-sawblade-module-mk01.md), 5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.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
- Unlocked by an upgrade choice (script), not research

### Sawblade MK 02 (`py-sawblade-module-mk02`)

- 10 s · tier ?
- Ingredients: 5 × [Sawblade](https://factorio.kalzumeus.com/item/py-sawblade-module-mk01.md), 5 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 5 × [Advanced small parts](https://factorio.kalzumeus.com/item/small-parts-02.md), 15 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 15 × [Industrial diamond](https://factorio.kalzumeus.com/item/diamond.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 200 × [Lubricant](https://factorio.kalzumeus.com/fluid/lubricant.md), 200 × [Water](https://factorio.kalzumeus.com/fluid/water.md)
- Results: 1 × [Sawblade MK 02](https://factorio.kalzumeus.com/item/py-sawblade-module-mk02.md), 5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.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
- Unlocked by an upgrade choice (script), not research

### Sawblade MK 03 (`py-sawblade-module-mk03`)

- 10 s · tier ?
- Ingredients: 5 × [Sawblade MK 02](https://factorio.kalzumeus.com/item/py-sawblade-module-mk02.md), 5 × [Super steel](https://factorio.kalzumeus.com/item/super-steel.md), 5 × [Special small parts](https://factorio.kalzumeus.com/item/small-parts-03.md), 10 × [Polishing compound](https://factorio.kalzumeus.com/item/cerium-oxide.md), 10 × [Polishing wheel](https://factorio.kalzumeus.com/item/polishing-wheel.md), 15 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 15 × [Industrial diamond](https://factorio.kalzumeus.com/item/diamond.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 200 × [Lubricant](https://factorio.kalzumeus.com/fluid/lubricant.md), 200 × [Etching solution](https://factorio.kalzumeus.com/fluid/etching.md)
- Results: 1 × [Sawblade MK 03](https://factorio.kalzumeus.com/item/py-sawblade-module-mk03.md), 5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.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
- Unlocked by an upgrade choice (script), not research

### Sawblade MK 04 (`py-sawblade-module-mk04`)

- 10 s · tier ?
- Ingredients: 5 × [Sawblade MK 03](https://factorio.kalzumeus.com/item/py-sawblade-module-mk03.md), 5 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 5 × [Nylon parts](https://factorio.kalzumeus.com/item/nylon-parts.md), 10 × [Polishing compound](https://factorio.kalzumeus.com/item/cerium-oxide.md), 10 × [Polishing wheel](https://factorio.kalzumeus.com/item/polishing-wheel.md), 1 × [Silver Nitrate](https://factorio.kalzumeus.com/item/silver-nitrate.md), 15 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 15 × [Industrial diamond](https://factorio.kalzumeus.com/item/diamond.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 1 × [Harmonic absorber](https://factorio.kalzumeus.com/item/harmonic-absorber.md), 1 × [Hardener](https://factorio.kalzumeus.com/item/hardener.md), 200 × [Etching solution](https://factorio.kalzumeus.com/fluid/etching.md), 200 × [Molten super steel alloy mix 2](https://factorio.kalzumeus.com/fluid/molten-super-steel-p2.md)
- Results: 1 × [Sawblade MK 04](https://factorio.kalzumeus.com/item/py-sawblade-module-mk04.md), 5 × [Iron oxide](https://factorio.kalzumeus.com/item/iron-oxide.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
- Unlocked by an upgrade choice (script), not research

## Used in (17 recipes)

- Iron plate (`iron-oxide-smelting`, tier 0) → [Iron plate](https://factorio.kalzumeus.com/item/iron-plate.md)
- Iron oxide tile (`py-iron-oxide`, tier 1) → [Iron oxide tile](https://factorio.kalzumeus.com/item/py-iron-oxide.md)
- Iron slime (`iron-slime`, tier 2) → [Iron slime](https://factorio.kalzumeus.com/fluid/iron-slime.md)
- Pyrite (`pyrite-make`, tier 2) → [Pyrite](https://factorio.kalzumeus.com/item/pyrite.md)
- Vanadium pulp (stage 2) (`vpulp2`, tier 2) → [Vanadium pulp (stage 2)](https://factorio.kalzumeus.com/fluid/vpulp2.md)
- Ethylene (`ethylene`, tier 4) → [Ethylene](https://factorio.kalzumeus.com/fluid/ethylene.md)
- Ferrite (`ferrite`, tier 4) → [Ferrite](https://factorio.kalzumeus.com/item/ferrite.md)
- Acid solvent (`acid-solvent`, tier 5) → [Acid solvent](https://factorio.kalzumeus.com/fluid/acid-solvent.md)
- Paramagnetic material (`paramagnetic-material`, tier 5) → [Paramagnetic material](https://factorio.kalzumeus.com/item/paramagnetic-material.md)
- Phosphate glass (`phosphate-glass`, tier 5) → [Phosphate glass](https://factorio.kalzumeus.com/item/phosphate-glass.md)
- Purified gold (`purified-gold`, tier 5) → [Purified gold](https://factorio.kalzumeus.com/item/purified-gold.md)
- Styrene (`styrene`, tier 5) → [Styrene](https://factorio.kalzumeus.com/fluid/styrene.md)
- Xylenol (`xylenol-2`, tier 5) → [Xylenol](https://factorio.kalzumeus.com/fluid/xylenol.md)
- Plastic bar (`plastics-mk03`, tier 7) → [Plastic bar](https://factorio.kalzumeus.com/item/plastic-bar.md)
- Reduced 99.9% aluminium (`reduction-aluminium`, tier 7) → [Reduced 99.9% aluminium](https://factorio.kalzumeus.com/item/reduced-aluminium.md)
- Refined nexelit pulp (`nexelit-refined-pulp`, tier 7) → [Refined nexelit pulp](https://factorio.kalzumeus.com/fluid/nexelit-refined-pulp.md)
- Sponge iron (`sponge-iron`, tier 7) → [Sponge iron](https://factorio.kalzumeus.com/item/sponge-iron.md)