GB A30121 Structural and constructional steels
Data updates
This material has 48 properties — only a subset is shown here.
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GB A30121 Chemical Composition
GB/T 9948: 2025 / Seamless steel tubes and pipes for petrochemical and chemical facilities
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GB A30121 Physical Properties
Temperature
This material has 48 properties — only a subset is shown here.
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GB A30121 Heat Treatments
- Normalized: 900°C - 960°C; Tempered: 680°C - 750°C
GB A30121 Mechanical Properties
Temperature
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GB A30121 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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- 12Cross References
- 10Composition
- 15Mechanical Properties
- 4Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 6Total Suppliers