🔒 Unlocked by: Mass Production II (Research), Mega electric furnace (Interplanetary shop (Space station) · Merchant III), Mega electric furnace (Interplanetary shop · Merchant III) (+1).
Steel
Produced by
| Inputs | Outputs | Base time | Building |
|---|---|---|---|
2×  Iron Ingot 2×  Copper Ingot | 1× Steel | 1 min 12 s |  Electric furnace |
| 4× Iron Ingot 4× Copper Ingot | 3× Steel | 2 min 24 s |  Advanced electric furnace |
1×  📦 Iron Ingot 1×  📦 Copper Ingot | 75× Steel | 10 min |  Mega electric furnace |
Used in
| Inputs | Outputs | Base time | Building |
|---|---|---|---|
1× Steel 1×  Plastic 1×  Animal Scale | 2×  Plasteel | 2 min 24 s |  Advanced Industrial Refinery |
| 3× Iron Ingot 1× Steel | 1×  Fighter Bot | 2 s |  Workbench |
100× Steel 1×  Empty Package | 1×  📦 Steel | 30 s |  Packager |
| 1× Steel 1× Plastic 1× Animal Scale | 1× Plasteel | 2 min 24 s |  Industrial Refinery |
| 2× Steel 2× Plasteel | 0 s |  Biome scanner  Kruwak's Spaceship |