GB CK20 Stainless steels
Data updates
This material has 21 properties — only a subset is shown here.
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GB CK20 Chemical Composition
GB/T 12230: 2023 / General purpose industrial valves - Specification of stainless steel castings
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GB CK20 Physical Properties
Temperature
This material has 21 properties — only a subset is shown here.
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GB CK20 Heat Treatments
- Solution heat treated at 1150-1200°C, water cooled.
The holding time heat treatment is calculated based on the general size of the castings installed in the furnace. When the thickness is less than or equal to 25 mm, the holding time is not less than 1 h, and the holding time is increased by 1 h for every 25 mm of thickness.
GB CK20 Mechanical Properties
Temperature
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GB CK20 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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- 5Cross References
- 8Composition
- 3Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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