Alloy ЭК79
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Alloy KhN60Yu (EI559A)
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Alloy KhN77TU (EI437A)
Alloy CrN78T (EI435)
Alloy EC79
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Designation
Description
Alloy ЭК79 used: for the manufacture of forgings and stampings parts, blades centrifugal compressor wheel; turbine disks and high-pressure compressor gas turbine engine (GTE), operating at temperatures up to +800 °C and briefly up to +850 °C.
Note
Alloy high strength high heat resistance.
Standards
Chemical composition
Ni is the basis.
According to TU 14-131-824-90 the chemical composition is given for the alloy EC79-ID. Lanthanum, neodymium, boron, cerium and magnesium are introduced into the metal by calculation and chemical analysis are not determined. In the finished metal, deviations in the content of titanium, aluminum, niobium and vanadium by ± 0.10%, carbon -0.010%, boron +0.005% are allowed. The introduction of niodime is allowed together with cerium in the composition of misch metal in an amount corresponding to the data in the table.
According to TU 14-131-824-90 the chemical composition is given for the alloy EC79-ID. Lanthanum, neodymium, boron, cerium and magnesium are introduced into the metal by calculation and chemical analysis are not determined. In the finished metal, deviations in the content of titanium, aluminum, niobium and vanadium by ± 0.10%, carbon -0.010%, boron +0.005% are allowed. The introduction of niodime is allowed together with cerium in the composition of misch metal in an amount corresponding to the data in the table.
