# Uranium (grade 1)

Pyanodons item · internal name `grade-1-u` · stack size 100 · first craftable in tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/item/grade-1-u/

## Produced by (1 recipes)

### Uranium (grade 1) (`grade-1-u`)

- 4 s · tier 4
- Ingredients: 5 × [Uranium ore](https://factorio.kalzumeus.com/item/uranium-ore.md)
- Results: 1 × [Uranium (grade 1)](https://factorio.kalzumeus.com/item/grade-1-u.md), 1 × [Stone](https://factorio.kalzumeus.com/item/stone.md), 0.2 × [Uranium (grade 2)](https://factorio.kalzumeus.com/item/grade-2-u.md) (20% chance)
- Made in: Jaw crusher MK 01, Jaw crusher MK 02, Jaw crusher MK 03, Jaw crusher MK 04
- Unlocked by: [Nuclear research](https://factorio.kalzumeus.com/tech/uranium-processing.md)

## Used in (1 recipes)

- Uranium (grade 2) (`grade-1-u-recrush`, tier 4) → [Uranium (grade 2)](https://factorio.kalzumeus.com/item/grade-2-u.md)