GB 20Mn2B Structural and constructional steels
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This material has 154 properties — only a subset is shown here.
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GB 20Mn2B Chemical Composition
GB/T 3077: 1988 / Alloy structure steels
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GB 20Mn2B Physical Properties
Temperature
This material has 154 properties — only a subset is shown here.
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GB 20Mn2B Heat Treatments
- The steel grade with boron should be normalized before quenching at the temperature lower that quenching temperature; Heated at 880°C; oil quenched; Austempered in the range 280-320°C; Tempered at 200°C; water quenched or cooling in air.
GB 20Mn2B Mechanical Properties
Temperature
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GB 20Mn2B 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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- 62Cross References
- 19Composition
- 17Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 52Total Suppliers