B.S. 1.1170 Structural and constructional steels
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B.S. 1.1170 Chemical Composition
EN 10083-1: 1991 / Quenched and tempered steels - Part 1: Technical delivery conditions for special steels (includes amendment A1:1996)
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B.S. 1.1170 Physical Properties
Temperature
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B.S. 1.1170 Heat Treatments
- Austenitizing (at least 30 min), quenching in water or oil: 840-880°C (the temperatures at the lower end of the range are generally applicable to quenching in water and those at the upper end for quenching in oil), other quenching agents such as synthetic quenchants may also be used; Tempering: 540-680°C (at least 60 min); End quench test: 850 (±5°C); Normalizing: 850-890°C, austenitizing (at least 30 min).
- Austenitizing (quenching in water or oil): 830-870°C, t > 30 min. NOTE: The temperatures at the lower end of the range are generally applicable to hardening in water and those at the upper end for hardening in oil. Synthetic quenchants may also be used. Tempering: 540-680°C, t > 60 min. A mandatory end quench test shall be carried out at 850 C +/- 5°C. Normalizing: 850-890°C, t > 30 min.
B.S. 1.1170 Mechanical Properties
Temperature
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B.S. 1.1170 International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 218Cross References
- 47Composition
- 122Mechanical Properties
- 3Physical Properties
- 10Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- 10Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 6Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 156Total Suppliers