B.S. HR4 Nickel Alloys
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B.S. HR4 Chemical Composition
BS HR 4: 1972 / Specification for nickel-chromium-cobalt-aluminium-molybdenum-titanium heat-resisting alloy billets, bars, forgings and parts (nickel base, Cr 15, Co 14.2, Al 5, Mo 4, Ti 4)
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B.S. HR4 Physical Properties
Temperature
This material has 102 properties — only a subset is shown here.
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B.S. HR4 Heat Treatments
- Bars and extruded sections for machining: Delivery = use condition - Solution treated: θ = (1 190 ±10) °C / t = 1.5 h / FC 2 °C to 3 °C per min average (limit 1 °C to 5 °C per minute) to 1 000 °C / AC. Forgings: Delivery = use condition - Solution treated: θ = (1 190 ±10) °C / t = 1.5 h / FC 2 °C to 3 °C per min average (limit 1 °C to 5 °C per minute) to 1 000 °C / AC.
B.S. HR4 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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