GB 55SiMnVB Structural and constructional steels
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This material has 50 properties — only a subset is shown here.
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GB 55SiMnVB Chemical Composition
GB/T 1222: 2025 / Spring steels
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GB 55SiMnVB Physical Properties
Temperature
This material has 50 properties — only a subset is shown here.
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GB 55SiMnVB Heat Treatments
- Quenched: 860 +/- 10°C (oil)
Tempered: 460 +/- 20°C. - Quenching in oil: 860°C; Tempering: 460°C.
The heat treatment temperatures are allowed to be adjusted within the following ranges: Normalizing: ± 20°C
Quenching: ± 50°C
Tempering: ± 30°C (according to the purchaser’s requirements).
Steel shall be subjected to the end-quench hardenability test: Normalizing at 880 to 920°C and End-quench at 860 ± 5°C.
GB 55SiMnVB Mechanical Properties
Temperature
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GB 55SiMnVB 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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- 3Cross References
- 21Composition
- 15Mechanical Properties
- 3Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 6Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- -Total Suppliers