SEW 56 NiCrMoV 7 Tool steels
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This material has 198 properties — only a subset is shown here.
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SEW 56 NiCrMoV 7 Chemical Composition
SEW 250: 1970 / Hot work tool steels
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SEW 56 NiCrMoV 7 Physical Properties
Temperature
This material has 198 properties — only a subset is shown here.
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SEW 56 NiCrMoV 7 Heat Treatments
- Soft annealing: Slowly heated at 650-700°C, held for several hours, slowly cooled, preferably in the furnace.
The soft annealing is most appropriate for machining and cold working and provides the most favorable initial structure for tool hardening.
Hardening: Heated at:
860-900°C, held for 15-30 minutes, air cooled.
830-870°C, held for 15-30 minutes, oil quenched.
Stress relief annealing: Slowly heated 650°C, held for 1-2 hours, slowly cooled in the furnace.
Steel is nitrided in salt baths, gas or powder. The nitriding layer thickness may be 0.01-0.3 mm depending on necessity and method and is usually 0.1 mm.
SEW 56 NiCrMoV 7 Mechanical Properties
Temperature
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SEW 56 NiCrMoV 7 International Equivalent Materials
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- 99Cross References
- 7Composition
- 1Mechanical Properties
- 4Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- 6Joints
- -Coatings
- 3Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 77Total Suppliers