1 Scope
This British Standard specifies requirements for nickel-iron-chromium-molybdenum-titanium
heat-resisting alloy supplied in the following forms, and as parts.
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a) Bars for machining: solution treated, designation HR 53A.
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b) Extruded section for subsequent forming: solution treated, designation HR 53B.
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c) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 53C.
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d) Forgings: solution treated and precipitation treated, designation HR 53D.