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2. Steelmaking
2.1 From iron ore to steel
To make steel, iron ore alone is not enough. In reality, there are three main raw materials involved in steel production:
iron ore ;
metallurgical coke ;
scrap metal.
Recycling accounts for a significant proportion of steelmaking inputs. Iron ore with added coke passes through a blast furnace to produce pig iron, from which steel is obtained.
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Steelmaking
Different types of steel
Bibliography
Standards and norms
- Définit les exigences pour la fabrication, l'inspection et la labellisation des produits en acier et en aluminium utilisés dans la construction. - NF EN 1090 -
- Définit les exigences pour les aciers pour la construction métallique. - NF A 35-016 -
- Définit les exigences pour la conception et le calcul des structures en acier. - NF EN 1993-1-1 -
- Définit les exigences pour les aciers de construction...
Regulations
Law of January 3, 1977 on the quality of construction.
Decree of December 30, 1977 on the approval of construction products.
Patents
Patent FR2868471: "Process for manufacturing a stainless steel with a high nickel content and use of this steel".
Patent FR2796378: "Process for manufacturing a steel with high corrosion resistance and use of this steel".
Patent FR2837167: "Process for manufacturing a high fatigue strength steel and use of this steel".
Patent FR2858573: "Process for manufacturing...
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