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The disc spring is a conical disc and can be used alone or in series or parallel. Undertake dynamic load along the upper or lower edge. When compressed, it deforms until it flattens. It can be used as a live load in the form of stored energy, automatically converted to the additional compression load required for sealing when necessary, supplementing the continuous requirements of gaskets and packing, maintaining the rated load, and reducing unnecessary downtime and leakage losses.
Incoloy825(n08825,2.4858) alloy is a fully austenitic Ni-Fe-Cr alloy stabilized with Ti and added Cu and Mo.
The alloy has high chromium content and sufficient nickel content, so it has high temperature corrosion resistance and is widely used in industry. In chloride, low concentration NaOH aqueous solution and high temperature and high pressure water, it has excellent stress corrosion cracking resistance, so it is used to manufacture equipment resistant to stress corrosion cracking. Corrosion resistance is better than the general austenitic stainless steel, but also better than the Inconel 600 alloy; in the manufacture of corrosion resistance stress cracking equipment, but also better than the Inconel 600 and Monel400 alloy.
The alloy has good comprehensive properties in the range of -253~700 ℃. The yield strength below 650 ℃ is the same as that of the deformed high temperature alloy. It has good fatigue resistance, radiation resistance, oxidation resistance, corrosion resistance, good processing performance and welding performance. In the above temperature range, it is widely used in nuclear power, petroleum industry, extrusion die and other fields.
Anti-oxidation temperature 600~700 ℃. It can be used as high temperature and high pressure valve body and burner. The temperature range of gas turbine compressor blades is 700~800 ℃. The gas turbine compressor blade temperature is below 900 ℃. Chromium as a high temperature part of the boiler. Chromium has certain oxidation resistance and high temperature strength in the range of 600~700 ℃. It is suitable for high temperature parts such as steam turbine blades, nozzles, boiler burner valves, etc. The oxidation temperature is 700~800 ℃, which is the same as 1cr12 steel. The oxidation temperature is below 870°C.
The content of Cr in incoloy925(n08925) nickel-based alloys is generally 19.5-23.50%, and the content of nickel is 42.0-26.0%. Incoloy925(n08925) alloy is a nickel-based alloy containing molybdenum and copper, which has good hot and cold working properties.
Incoloy926(n08926) The content of Cr in nickel-based alloys is generally 14.0-18.0%, and the content of nickel is 24.0-26.0%. In the nickel-based alloy with higher chromium content, the chromium content is more protective than the traditional nickel-based alloy (N6); the high nickel content makes it have better oxidation resistance than the standard 18-8 stainless steel. When the working temperature is 1900 degrees (1038 ℃) and above, its oxidation resistance is not lower than Dahua alloy.
IncoloyalloyA-286 nickel-base alloy
Incoloya-286 nickel-based alloy is a fe-25ni-15cr-based superalloy strengthened by the addition of molybdenum, titanium, aluminum, vanadium and trace amounts of boron. At 650 ℃, it has high yield strength, creep strength, good processing plasticity and good welding performance. It is suitable for manufacturing high-temperature bearing parts of aero-engines, such as turbine discs, pressure plates, rotor blades, fasteners, etc., and can be used to manufacture deformed products of various shapes, such as discs, forgings, plates, rods, wires, rings, etc. Incoloya-286 nickel-based alloy can improve the purity of the alloy, limit the gas content, control the content of low melting point elements, adjust the heat treatment system, so as to improve the thermal strength and long-term performance of the alloy.
Monel 400(n04400) monel alloy is a kind of corrosion resistant alloy with the largest consumption, the most extensive use and excellent comprehensive performance. The alloy has good corrosion resistance in hydrofluoric acid and fluorine gas medium, as well as in hot concentrated alkali solution. At the same time, it also has the corrosion resistance of neutral solution, water, sea water, atmosphere and organic matter. An important feature of the alloy is that it does not produce stress corrosion cracking and has good cutting performance.
MonelK-500(n055000) Monel alloy is a kind of corrosion resistant alloy with the largest consumption, the most extensive use and excellent comprehensive performance. The alloy has good corrosion resistance in hydrofluoric acid and fluorine gas medium, as well as in hot concentrated alkali solution. MonelK-500(n055000) Monel is mainly composed of 30% Cu and 63% Ni, with a small amount of Fe(1%-2%). Compared with Monel 400, aluminum and titanium are added.