B.S. S 149 Structural and constructional steels
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B.S. S 149 Chemical Composition
BS 2S 149: 1976 / Specification for 1.75% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts
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B.S. S 149 Physical Properties
Temperature
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B.S. S 149 Heat Treatments
- Hardening - Heat at a temperature of 840°C and 870°C, followed by cooling in oil. The tolerance on the chosen temperature shall be ± 10°C; Tempering - Heat uniformly at a temperature between 450°C and 660°C, followed by cooling in air.
B.S. S 149 Mechanical Properties
Temperature
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B.S. S 149 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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- 87Cross References
- 8Composition
- 4Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 44Total Suppliers