The beneficial role of nitrogen in austenitic stainless steel has been recognized for a long time. At that time, the most important role of nitrogen was to improve the mechanical strength of the material and replace the expensive nickel element. Since the 1960s, the content range of nitrogen has be ...

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What is duplex stainless steel? Duplex stainless steel (DSS) is a duplex structure in which ferrite and austenite account for about half of the solid solution structure. Because of its unique structural characteristics, through the correct control of chemical composition and heat treatment pro ...

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Standard Standard of pipe fittings: ASTM B366 is the latest edition of 2016. Standard Specification for factory made nickel and nickel alloy pipe fittings. Raw material standard: The latest edition of ASTM B575 is 2015e. The mechanical properties of UNS N10276 are based on the standard of mech ...

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800H is Incoloy as a branch of 800 series materials, as a high strength austenitic Ni Fe Cr alloy containing C, Si, Mn and limited amount of Al and Ti, its main characteristics are as follows: when the grain size is controlled at grade 2-5 after special solution treatment, it has good creep fract ...

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What is metal material? Metal material refers to the general designation of metal elements or materials with metal characteristics mainly composed of metal elements. Including pure metal, alloy, intermetallic compound of metal material and special metal material. (Note: metal oxides (such as a ...

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What is duplex stainless steel? Duplex stainless steel (DSS for short) refers to stainless steel with ferrite and austenite accounting for about 50% respectively, and the content of less phase is generally at least 30%. In the case of low C content, Cr content is 18% ~ 28%, Ni content is 3% ~ ...

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What is a 2507? UNS S32750 or DIN W.Nr. 1.4410, Super duplex 2507 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical ...

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What is an expansion joint? Expansion joint can also be called pipe expansion joint, compensator. The expansion joint is a new product connecting the pump, valve, pipeline and other equipment with the pipeline. It is connected by all bolts to make it a whole with a certain displacement, which ...

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In order to improve the product quality and production efficiency of HFW welded pipe, the common problems in the production process of HFW welded pipe, such as steel band edge bulge, steel tube surface scratch, weld seam misalignment and steel band deviation, are analyzed, the causes of the probl ...

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The sustainable development of the world economy has brought human society a high degree of concern and dependence on global energy. The improvement of the ecological environment has promoted the development and utilization of clean, low-carbon and environmentally friendly energy such as oil and na ...

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What is high performance ferritic stainless steel? High performance ferritic stainless steel has complete ferrite microstructure besides a small amount of stabilized carbide and nitride. The unique characteristic of this ferrite structure lies in its good resistance to chloride stress corrosio ...

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There are many ways to classify pipes, which can be divided into metal pipes, non-metal pipes and steel lined non-metal composite pipes. The non-metallic pipe mainly includes rubber pipe, plastic pipe, asbestos cement pipe, graphite pipe, glass steel pipe, etc. the proportion of the use of non-me ...

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