BS 2HR 55-2010 镍-铁-铬-钼-铝-钛抗热合金坯料,棒材,锻件和零部件(Ni/Co 43.5, Cr 16.5, Mo 3. 3, Al 1.2, Ti 1.2, Fe残余物)规范
Specification for nickel-iron-chromium-molybdenum-aluminium-titanium heat-resisting alloy billets, bars, forgings and parts (Ni/Co 43.5, Cr 16.5, Mo 3. 3, Al 1.2, Ti 1.2, Fe remainder)
This British Standard specifies requirements for nickel-iron-chromiummolybdenum-aluminium-titanium heat-resisting alloy supplied in the following forms, and as parts.
a) Bars and extruded sections for machining: solution treated, designation HR 55A.
b) Extruded section for subsequent forming: softened, designation HR 55B.
c) Billets and bars for forging: hot or cold worked and subsequently machined or ground, designation HR 55C.
d) Forgings: solution treated and precipitation treated, designation HR 55D.