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Vishal Tube Industries is one of the leading Manufacturer of Duplex flanges in india, We are ISO Certified and best quality product Exporter of Duplex Alloy flanges in india. Duplex Alloy flanges meaning limited cleaning, do not need to be painted or sprayed. Because of both excellent corrosion resistance and high strength, Duplex flanges find applications. Duplex Lap Joint Flanges have resistance to pitting and crevice corrosion superior to austenitic stainless steel 317L. Duplex flanges have strong durability at low temperatures and give greater corrosion resistance. For carbides in Duplex Spectacle Blind Flanges that have a sharp edge while still providing sufficient power, use a nose radius on the instrument, no longer than necessary. For improved cutting rates, decreased tool wear and set-up times, Duplex Flanges offers outstanding and reliable machining features. In the temperature range of 600 Degree C - 1000 Degree C, the formation of intermetallic phases in Duplex Steel Flanges such as sigma phase occurs and ferrite decomposition occurs in the range of 350 Degree C - 500 Degree C (475 Degree C embrittlement).
The basic concept of Duplex Alloy Flanges is to create a chemical composition that results in an approximately equal mixture of ferrite and ferrite. The chemical composition of Duplex Flanges is balanced in a solution-annealed state to give roughly equivalent quantities of ferrite and austenite. Duplex Orifice Flanges also have higher creep, tension, rupture and tensile strength at elevated temperatures, excellent corrosion resistance and strength properties, and are well suited for applications that are produced or formed. Duplex Steel Socket Weld Flanges are better suited and have sufficient elevated temperature strength for applications requiring corrosion resistance superior to Type 316. The lower carbon variant is the duplex Lap Joint Flanges and is free from sensitization. Therefore, in heavy gauge welded parts, duplex ring joint style flanges are most much used.
