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3. Different types of steel
3.1 Steel properties
It is estimated that nearly 98% of the world's steel production uses iron ore as a raw material. One of the reasons for this high proportion is that steel is more versatile than cast iron. It is highly resistant to deformation by compression or stretching, whether hot or cold, and it is also very easily hardenable, i.e. it can be made very hard by heating it to a high temperature (above the austenitization transformation point) and then cooling it rapidly, either by immersing it in a liquid or simply in air, as is the case for self-hardening steels, for example.
Steel is an iron alloy containing less than 2% carbon. It can be classified according to its carbon content. High-carbon steels are used for their high hardness, while low-carbon...
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Different types of steel
Applications
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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