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1: Grade HAYNES 230 solid solution strengthened nickel-based anti-oxidation alloy.
Two: chemical composition.
Nickel Ni Balance C: Chromium Tungsten W: Molybdenum Mo: Aluminum Al: Ferrotitanium Fe: Manganese Mn: Silicon Si: Phosphorus P: Sulfur S:
Three: the scope of application.
The alloy contains a large amount of tungsten and a small amount of aluminum and titanium. The alloy has high plasticity and medium thermal strength, and has excellent oxidation resistance and good stamping and welding process properties. It is suitable for the production of aero engine main combustion chamber and afterburner parts that work for a long time below 900, as well as heat shields, guide vanes, etc.
The main products are plates, strips, wires, bars and rings.
Four: Overview. The alloy is a solid solution strengthened nickel-based oxidation resistant alloy, which has high plasticity and medium thermal strength below 900, and has excellent oxidation resistance and good stamping and welding process performance, and is suitable for manufacturing the main combustion chamber and afterburner parts of the aviation K engine that has worked for a long time below 900, as well as heat shields and guide vanes.
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Haynes 230 is a carbide-strengthened Ni-Cr-W alloy with excellent strength and high temperature (980) oxidation resistance, and exhibits good metallurgical stability, which is easy to produce by conventional processes and methods. The alloy combines good high-temperature strength, creep resistance, durability and corrosion resistance, and has attractive application prospects in environments above 980.
The thermal processing characteristics of Haynes 230 are similar to those of Inconel. The alloy can be machined with a large deformation in the temperature range of 1010 to 1230 and a small deformation in 954. Although the alloy is easily cold worked by conventional processes, the work hardening rate of the alloy is high.
To achieve this effect, the alloy should be cold-worked under fine-grained conditions, and multiple intermediate annealing should be used. The annealing temperature before processing should be 1066 1149 to avoid coarse crystalline structure.
Haynes 230 Chemical Composition.
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haynes 230
Density: Main component: -5C-3Fe
It combines the strength, thermal stability, oxidation resistance, thermal cycling resistance and machinability of most superalloys. Burners and other critical non-moving parts for gas turbines. It is also used in heat treatment and industrial heating and chemical, petroleum industry and thermal power plants.
Properties: Haynes 230 combines high-temperature strength, oxidation resistance at sustained high temperatures of 1149, resistance to nitriding, and long-term thermal stability. It has less thermal expansion than most superalloys and is resistant to grain coarsening at sustained high temperatures.
Applications: Gas turbine engine combustion tanks, conversion pipes, afterburner components, flame stabilizers, thermocouple housings, high temperature heat exchangers, industrial boiler heat-resistant parts.
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