# Steel - Stage 2 (technology)

internal name `steel-mk02` · tier 2 (Logistic science pack, [tier 2](https://factorio.kalzumeus.com/tier/2.md))
HTML page: https://factorio.kalzumeus.com/tech/steel-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 (2)

- [Iron processing - Stage 1](https://factorio.kalzumeus.com/tech/iron-mk01.md)
- [Logistic science pack](https://factorio.kalzumeus.com/tech/logistic-science-pack.md)

## Leads to (2)

- [Floor tiles - Stage 2](https://factorio.kalzumeus.com/tech/py-asphalt-mk02.md)
- [Stainless steel - Stage 1](https://factorio.kalzumeus.com/tech/stainless-steel-mk01.md)

## Unlocks (3 recipes)

### Steel plate (`hotair-steel-20`)

- 4 s · tier 2
- Ingredients: 2 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 100 × [Molten steel](https://factorio.kalzumeus.com/fluid/molten-steel.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md)
- Results: 32 × [Steel plate](https://factorio.kalzumeus.com/item/steel-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: [Steel - Stage 2](https://factorio.kalzumeus.com/tech/steel-mk02.md)

### Molten steel (`molten-steel`)

- 4 s · tier 2
- Ingredients: 10 × [Coke](https://factorio.kalzumeus.com/item/coke.md), 50 × [Molten iron](https://factorio.kalzumeus.com/fluid/molten-iron.md), 100 × [Oxygen](https://factorio.kalzumeus.com/fluid/oxygen.md)
- Results: 50 × [Molten steel](https://factorio.kalzumeus.com/fluid/molten-steel.md), 500 × [Flue gas](https://factorio.kalzumeus.com/fluid/flue-gas.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: [Steel - Stage 2](https://factorio.kalzumeus.com/tech/steel-mk02.md)

### Steel plate (`steel-20`)

- 4 s · tier 2
- Ingredients: 2 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 100 × [Molten steel](https://factorio.kalzumeus.com/fluid/molten-steel.md)
- Results: 25 × [Steel plate](https://factorio.kalzumeus.com/item/steel-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: [Steel - Stage 2](https://factorio.kalzumeus.com/tech/steel-mk02.md)