GB A31128 Structural and constructional steels
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This material has 69 properties — only a subset is shown here.
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GB A31128 Chemical Composition
GB/T 5310: 2023 / Seamless steel tubes and pipes for high pressure boiler
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GB A31128 Physical Properties
Temperature
This material has 69 properties — only a subset is shown here.
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GB A31128 Heat Treatments
- For S =< 30mm, normalized at a temperature of 980 to 1020°C, tempered at 720 to 760°C;
For S > 30 mm, quenched and tempered or normalized and tempered. Quenching temperature of 950°C to 990°C, tempering temperature 720°C to 760°C; Normalizing temperature 980°C to 1020°C, tempering temperature 720°C to 760°C, but rapid cooling after normalizing.
GB A31128 Mechanical Properties
Temperature
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GB A31128 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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- 11Cross References
- 10Composition
- 18Mechanical Properties
- 4Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- 16Creep
- -Joints
- -Coatings
- 2Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 7Total Suppliers