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All You Need to Know About Super Duplex Steel Bars

Super Duplex Steel

Super Duplex Steel, also known as Duplex Stainless Steel, is similar to Stainless Steel in terms of chemical composition and appearance. Super Duplex Steel is made up of both Austenite and Ferrite steels. The sole purpose of Super Duplex Steel was to improve corrosion resistance, particularly against chloride stress corrosion and chloride pitting corrosion. Super Duplex Steel Bar has a chemical composition that includes 20 to 28 percent chromium, up to 5% molybdenum, up to 5% nickel, and 0.05 to 0.5 percent nitrogen, among other things. For example, the Standard Super Duplex, Super-Super Duplex, and Lean Super Duplex Grades each have their own distinct property or feature.


Super Duplex Steel Round Bars are available in a variety of diameters and lengths, ranging from 5mm to 500mm in diameter and beyond. The most common shapes of bars are round bars, square bars, flat bars, threaded bars, hollow bars, hexagonal bars, and triangular bars. These round bars are commonly used to make other Super Duplex steel products, such as small pipe fittings, small tools, and instruments. Round bars are also used to make pipes and tubes. Super Duplex steel round bars are ideal bars due to the properties of many of the metals used to make the alloy.

Applications of Super Duplex Bars

Super Duplex Steel is used in a variety of industries and has properties similar to Stainless Steel. These industries are massive in terms of production, so a strong material is obviously required to maintain consistency in their output. Super Duplex Steel has a number of properties that allow it to function even under high pressures and harsh conditions. This steel comes in a variety of grades, each with its own set of applications.

The alloy is widely used in plants and businesses due to its high corrosion resistance. Super Duplex Steel round bars are used to make pipelines at the petroleum refinery, which are then used to transport crude oil to the plant for conversion. Because it can withstand steam, fluids, and any other substance, this alloy is used for the outside coating of boilers. Because Super Duplex steel pipes can withstand water for long periods of time, they are used in pipelines. Because of its resistance to water and steam, this alloy is also used in cooling towers and in steam exhausts. Because it is compatible with electricity, this alloy grade is used in electric power plants.

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