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5. Symbolic designation (standard NF EN 10027-1)
5.1 Steels designated by their characteristics
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Main symbols
The main symbols summarized in table 2 are followed by the guaranteed minimum yield strength in N/mm 2 for the lowest thickness range.
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Additional symbols for structural steels
Structural steels are symbolized by the letters J, K or L to give resiliencies of 27, 40 or 60 joules respectively. These letters are followed by a number from 0 to 6, corresponding to test temperatures of 0, 20, 30, 40, 50 and 60°C respectively.
The letter R is given only for the temperature of +20°C, which may be followed by a W to indicate resistance...
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Symbolic designation (standard NF EN 10027-1)
Numeric designation (NF EN 10027-2 standard)
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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