# Copper processing - Stage 2 (technology) internal name `copper-mk02` · tier 2 (Logistic science pack, [tier 2](https://factorio.kalzumeus.com/tier/2.md)) HTML page: https://factorio.kalzumeus.com/tech/copper-mk02/ ## Cost 160 units of (1 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 2 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 3 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 60 s each. ## Requires (1) - [Logistic science pack](https://factorio.kalzumeus.com/tech/logistic-science-pack.md) ## Leads to (1) - [Alloy smelting - Stage 2](https://factorio.kalzumeus.com/tech/alloys-mk02.md) ## Unlocks (9 recipes) ### Copper (grade 4) (`classify-low-grade`) - 2 s · tier 2 - Ingredients: 4 × [Low grade copper rejects](https://factorio.kalzumeus.com/item/low-grade-rejects.md) - Results: 0.3 × [Copper (grade 4)](https://factorio.kalzumeus.com/item/grade-4-copper.md) (30% chance), 1 × [Low grade copper dust](https://factorio.kalzumeus.com/item/copper-low-dust.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: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Copper plate (`copper-plate-1`) - 4 s · tier 2 - Ingredients: 100 × [Molten copper](https://factorio.kalzumeus.com/fluid/molten-copper.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md) - Results: 60 × [Copper plate](https://factorio.kalzumeus.com/item/copper-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: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Copper (grade 3) (`copper-rejects-recrush`) - 1 s · tier 2 - Ingredients: 1 × [Copper rejects](https://factorio.kalzumeus.com/item/copper-rejects.md) - Results: 0.5 × [Copper (grade 3)](https://factorio.kalzumeus.com/item/grade-3-copper.md) (50% chance), 1 × [Gravel](https://factorio.kalzumeus.com/item/gravel.md) - Made in: Impact crusher MK 01, Impact crusher MK 02, Impact crusher MK 03, Impact crusher MK 04 - Unlocked by: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Copper (grade 3) (`grade-3-copper`) - 2.5 s · tier 2 - Ingredients: 2 × [Copper (grade 2)](https://factorio.kalzumeus.com/item/grade-2-copper.md) - Results: 1 × [Copper (grade 3)](https://factorio.kalzumeus.com/item/grade-3-copper.md), 1 × [Copper rejects](https://factorio.kalzumeus.com/item/copper-rejects.md) - Made in: Automated screener MK 01, Automated screener MK 02, Automated screener MK 03, Automated screener MK 04 - Unlocked by: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Copper (grade 4) (`grade-4-copper`) - 2.5 s · tier 2 - Ingredients: 2 × [Copper (grade 3)](https://factorio.kalzumeus.com/item/grade-3-copper.md) - Results: 1 × [Copper (grade 4)](https://factorio.kalzumeus.com/item/grade-4-copper.md), 2 × [Low grade copper rejects](https://factorio.kalzumeus.com/item/low-grade-rejects.md) - Made in: Automated screener MK 01, Automated screener MK 02, Automated screener MK 03, Automated screener MK 04 - Unlocked by: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Copper plate (`hotair-copper-plate-1`) - 4 s · tier 2 - Ingredients: 100 × [Molten copper](https://factorio.kalzumeus.com/fluid/molten-copper.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 × [Copper plate](https://factorio.kalzumeus.com/item/copper-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: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Copper plate (`low-grade-smelting-copper`) - 1 s · tier 2 - Ingredients: 1 × [Low grade copper](https://factorio.kalzumeus.com/item/low-grade-copper.md) - Results: 0.6 × [Copper plate](https://factorio.kalzumeus.com/item/copper-plate.md) (60% chance) - 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: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Molten copper (`molten-copper-04`) - 4 s · tier 2 - Ingredients: 3 × [Copper (grade 4)](https://factorio.kalzumeus.com/item/grade-4-copper.md), 3 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 60 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md) - Results: 21 × [Molten copper](https://factorio.kalzumeus.com/fluid/molten-copper.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: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md) ### Low grade copper (`wash-coper-low-dust`) - 2 s · tier 2 - Ingredients: 1 × [Low grade copper dust](https://factorio.kalzumeus.com/item/copper-low-dust.md), 200 × [Water](https://factorio.kalzumeus.com/fluid/water.md) - Results: 1 × [Low grade copper](https://factorio.kalzumeus.com/item/low-grade-copper.md), 200 × [Tailings](https://factorio.kalzumeus.com/fluid/tailings.md) - Made in: Washer MK 01, Washer MK 02, Washer MK 03, Washer MK 04 - Unlocked by: [Copper processing - Stage 2](https://factorio.kalzumeus.com/tech/copper-mk02.md)