VdTÜV 20 MnMoNi 4-5 Structural and constructional steels
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VdTÜV 20 MnMoNi 4-5 Chemical Composition
WB 440/3: 2016 / Heat resistant quenched and tempered steel 20 MnMoNi 4-5; Material No. 1.6311; Hollow body, flange, ring, forging, bar steel
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VdTÜV 20 MnMoNi 4-5 Physical Properties
Temperature
This material has 327 properties — only a subset is shown here.
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VdTÜV 20 MnMoNi 4-5 Heat Treatments
- Quenching and tempering: Hardened at 870-940°C, after reaching the temperature in the entire cross-section. Cooled in air, quenched in oil or water according to the thickness.
Tempered at 610-690°C, held for at least 30 min, cooled in still air or in furnace.
Stress relieving: Heated at 580-620°C, holding time for:
t ≤ 15 mm ( ≥ 15 min.)
15 < t ≤ 30 mm ( ≥ 30 min.)
30 < t ≤ 350 mm ( ≥ 60 min.)
t > 350 mm (approx. 120 min) - Quenched and tempered - Hardened: 870 to 940°C, after reaching the temperature at total cross-sectional quenching in water. With three-stage hardening, the second hardening temperature is 750 to 800°C.
Tempered: 630 to 680°C, holding time at least 30 min, cooling, in still air or in a furnace.
Stress relieving: Heated at 580-620°C, holding time for:
t ≤ 15 mm ( ≥ 15 min.)
15 < t ≤ 30 mm ( ≥ 30 min.)
30 < t ≤ 350 mm ( ≥ 60 min.)
t > 350 mm (approx. 120 min)
Soak and hold within the temperature range of 580 to 620°C. Measurement of the temperature on the component surface. The maximum holding time for the usual stress-relief annealing is 150 minutes. With a holding time > 90 min or in the case of multiple annealing, the lower limit of the temperature range should be aimed for.
VdTÜV 20 MnMoNi 4-5 Mechanical Properties
Temperature
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VdTÜV 20 MnMoNi 4-5 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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- 142Cross References
- 11Composition
- 28Mechanical Properties
- 17Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- 25Joints
- -Coatings
- 1Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 101Total Suppliers