# Lead processing - Stage 2 (technology)

internal name `lead-mk02` · tier 2 (Logistic science pack, [tier 2](https://factorio.kalzumeus.com/tier/2.md))
HTML page: https://factorio.kalzumeus.com/tech/lead-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 (3)

- [Alloy smelting - Stage 2](https://factorio.kalzumeus.com/tech/alloys-mk02.md)
- [Silver - Stage 1](https://factorio.kalzumeus.com/tech/silver-mk01.md)
- [Solder - Stage 2](https://factorio.kalzumeus.com/tech/solder-mk02.md)

## Unlocks (6 recipes)

### Silver lead dust (`grade-2-crush-lead`)

- 1 s · tier 2
- Ingredients: 1 × [Lead (grade 3)](https://factorio.kalzumeus.com/item/grade-3-lead.md)
- Results: 1 × [Silver lead dust](https://factorio.kalzumeus.com/item/lead-dust.md)
- Made in: Secondary crusher MK 01, Secondary crusher MK 02, Secondary crusher MK 03, Secondary crusher MK 04
- Unlocked by: [Lead processing - Stage 2](https://factorio.kalzumeus.com/tech/lead-mk02.md)

### Lead (grade 3) (`grade-2-lead`)

- 3 s · tier 2
- Ingredients: 2 × [Lead (grade 2)](https://factorio.kalzumeus.com/item/grade-2-lead.md)
- Results: 0.5 × [Lead (grade 1)](https://factorio.kalzumeus.com/item/grade-1-lead.md) (50% chance), 1 × [Lead (grade 3)](https://factorio.kalzumeus.com/item/grade-3-lead.md)
- Made in: Automated screener MK 01, Automated screener MK 02, Automated screener MK 03, Automated screener MK 04
- Unlocked by: [Lead processing - Stage 2](https://factorio.kalzumeus.com/tech/lead-mk02.md)

### Lead (grade 2) (`grade-2-lead-crusher`)

- 3 s · tier 2
- Ingredients: 2 × [Lead (grade 1)](https://factorio.kalzumeus.com/item/grade-1-lead.md)
- Results: 1 × [Stone](https://factorio.kalzumeus.com/item/stone.md), 1 × [Lead (grade 2)](https://factorio.kalzumeus.com/item/grade-2-lead.md)
- Made in: Impact crusher MK 01, Impact crusher MK 02, Impact crusher MK 03, Impact crusher MK 04
- Unlocked by: [Lead processing - Stage 2](https://factorio.kalzumeus.com/tech/lead-mk02.md)

### Lead plate (`hotair-lead-plate-3`)

- 4 s · tier 2
- Ingredients: 100 × [Molten lead](https://factorio.kalzumeus.com/fluid/molten-lead.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md), 50 × [Hot air](https://factorio.kalzumeus.com/fluid/hot-air.md)
- Results: 63 × [Lead plate](https://factorio.kalzumeus.com/item/lead-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: [Lead processing - Stage 2](https://factorio.kalzumeus.com/tech/lead-mk02.md)

### Lead plate (`lead-plate-3`)

- 4 s · tier 2
- Ingredients: 100 × [Molten lead](https://factorio.kalzumeus.com/fluid/molten-lead.md), 1 × [Sand casting](https://factorio.kalzumeus.com/item/sand-casting.md)
- Results: 50 × [Lead plate](https://factorio.kalzumeus.com/item/lead-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: [Lead processing - Stage 2](https://factorio.kalzumeus.com/tech/lead-mk02.md)

### Molten lead (`molten-lead-01`)

- 4 s · tier 2
- Ingredients: 4 × [Silver lead dust](https://factorio.kalzumeus.com/item/lead-dust.md), 2 × [Borax](https://factorio.kalzumeus.com/item/borax.md), 2 × [Graphite](https://factorio.kalzumeus.com/item/graphite.md)
- Results: 90 × [Molten lead](https://factorio.kalzumeus.com/fluid/molten-lead.md)
- Made in: Electric arc furnace MK 01, Electric arc furnace MK 02, Electric arc furnace MK 03, Electric arc furnace MK 04
- Unlocked by: [Lead processing - Stage 2](https://factorio.kalzumeus.com/tech/lead-mk02.md)