DIN 40 CrMoV 4 7 Structural and constructional steels
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DIN 40 CrMoV 4 7 Chemical Composition
DIN 17240: 1976 / Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications
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DIN 40 CrMoV 4 7 Physical Properties
Temperature
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DIN 40 CrMoV 4 7 Heat Treatments
- Hot forming: 1100-850°C;
Hardening, quenching or solution annealing (cooling in oil or air): 880-930°C;
Tempering or age hardening or precipitation hardening: 670-730°C; min. 2h
Stress relieving annealing: 570-640°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 40 CrMoV 4 7 Mechanical Properties
Temperature
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DIN 40 CrMoV 4 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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- 210Cross References
- 8Composition
- 13Mechanical Properties
- 21Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- 1Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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