DIN 1.7227 Structural and constructional steels
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DIN 1.7227 Chemical Composition
EN 10277-5: 2008 / Bright steel products - Technical delivery conditions - Part 5: Steels for quenching and tempering
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DIN 1.7227 Physical Properties
Temperature
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DIN 1.7227 Heat Treatments
- Austenitizing (quenching in oil or water): 820-880°C, (at least 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, (at least 60 min); End quench test: 850±5°C.
- Austenitizing (quenching in water or oil): 820-860°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+/- 5°C.
DIN 1.7227 Mechanical Properties
Temperature
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DIN 1.7227 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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- 468Cross References
- 74Composition
- 273Mechanical Properties
- 47Physical Properties
- 14Heat Treatment
- -Metallography
- -Machinability
- 52Stress-Strain
- -Formability
- 5Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 46Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 289Total Suppliers