# Non Renewables - Stage 4 (technology) internal name `nonrenewable-mk04` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md)) HTML page: https://factorio.kalzumeus.com/tech/nonrenewable-mk04/ ## Cost 3300 units of (1 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md), 2 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 3 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 6 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 10 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 20 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 30 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 60 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 10 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 450 s each. ## Requires (3) - [Machine Components - Stage 4](https://factorio.kalzumeus.com/tech/machine-components-mk04.md) - [Non Renewables - Stage 3](https://factorio.kalzumeus.com/tech/nonrenewable-mk03.md) - [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-4.md) ## Leads to (5) - [Biomass Power - Stage 4](https://factorio.kalzumeus.com/tech/biomassplant-mk04.md) - [Coal Power - Stage 4](https://factorio.kalzumeus.com/tech/coalplant-mk04.md) - [Gas Power - Stage 4](https://factorio.kalzumeus.com/tech/gasplant-mk04.md) - [Nuclear Power - Stage 4](https://factorio.kalzumeus.com/tech/nuclear-power-mk04.md) - [Oil Power - Stage 4](https://factorio.kalzumeus.com/tech/oilplant-mk04.md) ## Unlocks (4 recipes) ### Cool Pressurized steam from 5000°C to 4000°C (`cool-pressured-steam-5000-to-4000`) - 2 s · tier 8 - Ingredients: 200 × [Pressurized steam](https://factorio.kalzumeus.com/fluid/pressured-steam.md) (≥5000°C), 60 × [Pressurized water](https://factorio.kalzumeus.com/fluid/pressured-water.md) - Results: 240 × [Pressurized steam](https://factorio.kalzumeus.com/fluid/pressured-steam.md) (4000°C) - Made in: Heat exchanger MK01, Heat exchanger MK02, Heat exchanger MK03, Heat exchanger MK04 - Unlocked by: [Non Renewables - Stage 4](https://factorio.kalzumeus.com/tech/nonrenewable-mk04.md) ### Pressurized steam (`he-05`) - 2.5 s · tier 8 - Ingredients: 100 × [Hot Molten Salt](https://factorio.kalzumeus.com/fluid/hot-molten-salt.md) (≥4950°C), 75 × [Pressurized water](https://factorio.kalzumeus.com/fluid/pressured-water.md) - Results: 100 × [Molten Salt](https://factorio.kalzumeus.com/fluid/molten-salt.md), 75 × [Pressurized steam](https://factorio.kalzumeus.com/fluid/pressured-steam.md) (5000°C) - Made in: Heat exchanger MK01, Heat exchanger MK02, Heat exchanger MK03, Heat exchanger MK04 - Unlocked by: [Non Renewables - Stage 4](https://factorio.kalzumeus.com/tech/nonrenewable-mk04.md), [Solar Power - Stage 4](https://factorio.kalzumeus.com/tech/solar-power-mk04.md) ### Heat exchanger MK04 (`py-heat-exchanger-mk04`) - 4 s · tier 8 - Ingredients: 1 × [Heat exchanger MK03](https://factorio.kalzumeus.com/item/py-heat-exchanger-mk03.md), 10 × [Low density structure](https://factorio.kalzumeus.com/item/low-density-structure.md), 1 × [Mechanical Parts 04](https://factorio.kalzumeus.com/item/mechanical-parts-04.md), 1 × [PyTank (100 kL)](https://factorio.kalzumeus.com/item/py-tank-10000.md), 20 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 30 × [Boron carbide](https://factorio.kalzumeus.com/item/boron-carbide.md), 1 × [Advanced coating](https://factorio.kalzumeus.com/item/science-coating.md), 5 × [Intelligent unit](https://factorio.kalzumeus.com/item/intelligent-unit.md), 5 × [Superconductor servomechanisms](https://factorio.kalzumeus.com/item/superconductor-servomechanims.md), 10 × [Harmonic absorber](https://factorio.kalzumeus.com/item/harmonic-absorber.md), 5 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 1 × [Superconducting Claw-pole Engine](https://factorio.kalzumeus.com/item/sc-engine.md) - Results: 1 × [Heat exchanger MK04](https://factorio.kalzumeus.com/item/py-heat-exchanger-mk04.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: [Non Renewables - Stage 4](https://factorio.kalzumeus.com/tech/nonrenewable-mk04.md) ### High-pressure steam turbine MK 04 (`steam-turbine-mk04`) - 5 s · tier 8 - Ingredients: 3000 × [Concrete](https://factorio.kalzumeus.com/item/concrete.md), 3000 × [Super alloy](https://factorio.kalzumeus.com/item/super-alloy.md), 100 × [Electronics MK04](https://factorio.kalzumeus.com/item/electronics-mk04.md), 1000 × [Low density structure](https://factorio.kalzumeus.com/item/low-density-structure.md), 1000 × [Iron niobium alloy](https://factorio.kalzumeus.com/item/nbfe-alloy.md), 100 × [Gearbox MK04](https://factorio.kalzumeus.com/item/gearbox-mk04.md), 200 × [Brakes MK04](https://factorio.kalzumeus.com/item/brake-mk04.md), 800 × [Nexelit Zinc Gadolinium Special Alloy](https://factorio.kalzumeus.com/item/nxzngd.md), 5000 × [Carbon Fiber](https://factorio.kalzumeus.com/item/cf.md), 300 × [Fire Extinguisher System](https://factorio.kalzumeus.com/item/fes.md), 100 × [Shaft MK04](https://factorio.kalzumeus.com/item/shaft-mk04.md), 100 × [Metastable Quasicrystal](https://factorio.kalzumeus.com/item/metastable-quasicrystal.md), 1000 × [Hyperelastic material](https://factorio.kalzumeus.com/item/hyperelastic-material.md), 3000 × [Biopolymer](https://factorio.kalzumeus.com/item/biopolymer.md), 400 × [Control Panel MK04](https://factorio.kalzumeus.com/item/controler-mk04.md), 5 × [Centrifuge MK 03](https://factorio.kalzumeus.com/item/centrifuge-mk03.md), 1 × [High-pressure steam turbine MK 03](https://factorio.kalzumeus.com/item/steam-turbine-mk03.md) - Results: 1 × [High-pressure steam turbine MK 04](https://factorio.kalzumeus.com/item/steam-turbine-mk04.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: [Non Renewables - Stage 4](https://factorio.kalzumeus.com/tech/nonrenewable-mk04.md)