B.S. 640M40 Structural and constructional steels
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This material has 147 properties — only a subset is shown here.
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B.S. 640M40 Chemical Composition
BS 970-2: 1988 / Specification for wrought steels for mechanical and allied engineering purposes. Requirements for steels for the manufacture of hot formed springs
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B.S. 640M40 Physical Properties
Temperature
This material has 147 properties — only a subset is shown here.
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B.S. 640M40 Heat Treatments
- Hardened and tempered conditions (R, S, T, and U): Harden in oil from a temperature of 820-850°C. Temper at a suitable temperature in the range 550-660°C.
B.S. 640M40 Mechanical Properties
Temperature
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B.S. 640M40 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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- 65Cross References
- 8Composition
- 16Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 5Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 49Total Suppliers