Manufacturers of 12CrMoV necked butt-weld flanges and P91 alloy steel flanges

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Alloy steel flanges are pipe connectors made from alloy steels such as 12Cr1MoV, 15CrMo, and P91; they are manufactured through forging or casting processes and possess corrosion resistance as well as the ability to withstand high pressures (operating pressure of 2.5–25 MPa). They are primarily used in industrial piping systems in industries such as petrochemicals and nuclear power plants. Flange, also known as a flange disc or rim. A flange is a component used to connect shafts to each other, and it is also employed for connecting pipe ends ； There are also flanges used for the import and export of equipment, to connect two devices together, such as reducer flanges. A flange connection or flange joint refers to a detachable connection that consists of a flange, gaskets, and bolts working together as a combined sealing structure. A pipe flange refers to the flange used for piping in pipeline systems; when applied to equipment, it denotes the inlet and outlet flanges of that equipment. The flanges have holes, and bolts are used to fasten the two flanges together. The flanges are sealed with gaskets. Flanges are divided into threaded flanges, welded flanges, and clip flanges.