DIN 21 CrMoV 5-7 Structural and constructional steels
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DIN 21 CrMoV 5-7 Chemical Composition
EN 10269: 2013 / Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
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DIN 21 CrMoV 5-7 Physical Properties
Temperature
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DIN 21 CrMoV 5-7 Heat Treatments
- (+QT) Quenched: 880-950°C, cooled in oil, air or water, Tempered: 680-720°C (min 2h).
- Hot forming: 1100-850°C;
Hardening, quenching or solution annealing (cooling in oil or air): 890-940°C;
Tempering or age hardening or precipitation hardening: 680-720°C; min. 2h
Stress relieving annealing: 580-650°C.
Because of its importance with regard to embrittlement, it is not permissible to go above the quenching temperature or below the tempering temperature quoted.
DIN 21 CrMoV 5-7 Mechanical Properties
Temperature
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DIN 21 CrMoV 5-7 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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- 60Cross References
- 18Composition
- 30Mechanical Properties
- 37Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- 1Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- 1Creep
- 8Joints
- -Coatings
- 156Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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