What is steel made of?
Steel takes 7 things directly, among them pig iron, magnesium, steel scrap, oxygen gas, quicklime and manganese. Trace them back and you pass 12 made things on the way to 12 raw materials.
How steel is made What is made from it See it on the map
What goes straight in
From the ground: 12 raw materials
- Iron ore through manganese
- Limestone through quicklime
- Air through argon
- Dolomite through magnesium
- Water through quicklime
- Manganese ore through manganese
- Natural gas through manganese
- Coal through manganese, coke
- Quartz through magnesium, metallurgical silicon
- Timber through magnesium, metallurgical silicon
- Crude oil through steel scrap, propane
- Sulfur through manganese, sulfuric acid