NICR20CO18Ti superalloy is an important high-temperature structural material with excellent high-temperature strength, oxidation resistance and corrosion resistance, and is widely used in aerospace, energy, chemical industry and other fields. The following will introduce its material, chemical composition, hardness, density, heat treatment, mechanical properties, mechanical properties, application fields and welding process in detail.
Material & Chemical Composition**
The specific chemical composition of NICR20CO18Ti superalloy is: nickel(Ni) 500%, chromium (CR) about 200%, cobalt (CO) about 180%, titanium (Ti) about 15%。In addition, the content of other elements such as iron, aluminum, manganese, etc., in a small range, has an important impact on the properties of the material.
Hardness & Density**
The hardness of NICR20CO18Ti superalloy is generally around 200HBW (Barcol hardness) and the density is about 84g/cm³。
Heat treated**
NICR20CO18Ti superalloy is usually treated with solutinizing and aging treatment with a solution temperature of 1100-1150°C and a holding time of 2-4 hours, followed by rapid cooling and aging.
Mechanical properties**
The superalloy has excellent strength and toughness in high-temperature environments, with a yield strength of more than 500MPa and an elongation of more than 30% at 700°C.
Mechanical properties**
In addition to its excellent performance at high temperatures, NICR20CO18Ti superalloy also has good mechanical properties at room temperature, with good tensile strength and yield strength, as well as high fatigue and creep resistance.
Areas of application**
NICR20CO18Ti superalloy is widely used in the aerospace field, including jet engines, turbine blades, combustion chambers and other components;In the energy industry, it is also used in the manufacture of gas turbines, boiler components, etc.;In the chemical industry, it is used to manufacture high-temperature reactors, catalyst carriers, etc.
Welding process**
Special attention is paid to the welding process of NICR20CO18Ti superalloy, which is usually TIG (argon arc welding) or electron beam welding under inert gas shielding. When selecting a filler material, it is important to consider its compatibility with the substrate and the matching of the coefficient of thermal expansion. After welding, heat treatment is often also required to relieve stress in the weld zone and improve the performance of the weld.
In summary, NICR20CO18Ti superalloy is widely used in many high-temperature fields due to its excellent high-temperature performance and corrosion resistance, and its special heat treatment and welding process need to be paid attention to during use to ensure the performance and reliability of the material.
Form: plates, rods, tubes, steel strips, wires, forgings, forging pipes, forging plates, forging rods, round bars, plates, thin plates, seamless pipes, welded pipes, round bars, wires, steel plates, round rounds, strips
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