# Gas furnace

Pyanodons item · internal name `steel-furnace` · stack size 50 · first craftable in tier 1 (pY science pack 1, [tier 1](https://factorio.kalzumeus.com/tier/1.md))
HTML page: https://factorio.kalzumeus.com/item/steel-furnace/

## Produced by (1 recipes)

### Gas furnace (`steel-furnace`)

- 3 s · tier 1
- Ingredients: 6 × [Steel plate](https://factorio.kalzumeus.com/item/steel-plate.md), 10 × [Refined concrete](https://factorio.kalzumeus.com/item/refined-concrete.md)
- Results: 1 × [Gas furnace](https://factorio.kalzumeus.com/item/steel-furnace.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: [Advanced material processing](https://factorio.kalzumeus.com/tech/advanced-material-processing.md)

## Used in (2 recipes)

- Basic oxygen furnace MK 01 (`bof-mk01`, tier 1) → [Basic oxygen furnace MK 01](https://factorio.kalzumeus.com/item/bof-mk01.md)
- Casting unit MK 01 (`casting-unit-mk01`, tier 1) → [Casting unit MK 01](https://factorio.kalzumeus.com/item/casting-unit-mk01.md)