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Specification for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy billets, bars and forgings (cobalt base Cr 20, W 15, Ni 10, Mn 1.5)
This British Standard specifies requirements for cobalt-chromium-tungsten-nickel-manganese heat-resisting alloy supplied in the following forms.
Forms of supply:
Bars and extruded sections for machining: annealed, designation HR 40A.
Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 40B.
Forgings: annealed, designation HR 40C.
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