GB T32440 Tool steels
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This material has 74 properties — only a subset is shown here.
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GB T32440 Chemical Composition
GB/T 9943: 2025 / High-speed tool steels
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GB T32440 Physical Properties
Temperature
This material has 74 properties — only a subset is shown here.
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GB T32440 Heat Treatments
- Preheat temperature: 800-900°C; Quenching temperature: 1170-1190°C (salt bath or box furnace); Quenching medium: oil or salt bath; Tempering temperature: 550°C.
Tempering shall be performed three times: each time for 1 hour in a salt bath, and for 2 hours each in a box furnace or vacuum furnace.
GB T32440 Mechanical Properties
Temperature
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GB T32440 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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- 50Cross References
- 10Composition
- 2Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 1Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 7Total Suppliers