B.S. L 83 Aluminium Alloys
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B.S. L 83 Chemical Composition
BS 2L 83: 1971 / Specification for forging stock, bars, extruded sections and forgings of aluminium-copper-nickel-magnesium-iron-silicon alloy (solution treated and precipitation treated) (Cu 2, Ni 1, Mg 1, Si 0.9, Fe 0.9)
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B.S. L 83 Physical Properties
Temperature
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B.S. L 83 Heat Treatments
- Bars for machining, extruded sections and forgings shall be heat treated as follows:
1) Solution treat by heating at a temperature of 525 ± 10°C and quenching in water or oil
2) Precipitation treat by heating uniformly for the requisite period at a temperature between 155°C and 205°C.
The following temperatures and times at temperature have been found appropriate:
155-175°C for 10-20h
180-190°C for 5-12h
195-205°C for 2-5h.
Subject to the agreement and conditions of the Inspecting Authority, bars for machining and extruded sections, instead of being solution treated, shall be quenched in water immediately after leaving the extrusion die.
B.S. L 83 Mechanical Properties
Temperature
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- -Cross References
- 11Composition
- 31Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- -Total Suppliers