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Monel 400, Monel K500;
The structure of Monel 400 alloy is a high-strength single-phase solid solution. It is a corrosion-resistant alloy with the largest dosage, the most extensive use and excellent comprehensive properties.
This alloy has excellent corrosion resistance in hydrofluoric acid and fluorine gas medium, and also has excellent corrosion resistance in hot concentrated lye.
At the same time, it is also resistant to corrosion by neutral solutions, water, seawater, atmosphere, organic compounds, etc. An important feature of this alloy is that it generally does not produce stress corrosion cracking and has good machinability.
Chemical composition (%): Ni: balance; Cu: 28-34; Si: <0.5; Mn: <2.0; C: <0.30; Fe: <2.0;
In addition to excellent mechanical properties such as high strength, corrosion resistance, and non-magnetic properties, Monel K500 alloy has the same corrosion resistance as Monel 400. It can be used as a pump shaft material and is suitable for working under the harsh geological mining conditions of high-sulfur and high-wax oil layers.
Since the alloy has no plastic-brittle transition temperature, it is very suitable for various low temperature equipment. This alloy is mainly used for pump shafts and valve stems, conveyor scrapers, oil well drill collars, elastic parts, valve pads, etc.
Suitable for petroleum, chemical, shipbuilding, pharmaceutical, electronic sectors. The chemical composition of the alloy is roughly the same as that of Monel 400. The biggest difference is that it contains 2.3-3.15% of A1 and 0.30-1.00% of Ti. The microstructure of this alloy is characterized by the precipitation of dispersed Ni3 (A1, Ti) phases. , other same as Monel 400 alloy.
Chemical composition (%): Ni:>63; Cu:27/33; Mn<1.5; Fe<2;Si<0.5; A1 2.3/3.15; Ti0.35/0.85;
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