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Know about Duplex and Super Duplex Pipes

Author: Andrew Elias
by Andrew Elias
Posted: Aug 07, 2025

Super Duplex pipes are made from a form of austenitic-ferritic stainless steel, based upon iron with alloying additions of chromium, nickel and molybdenum. At Rising Steel Industries, we are Super Duplex Pipe Suppliers, with a focus on high-performance alloys such as duplex and super duplex stainless steel. They are available either seamless, formed by extruding a single length from a pierced billet, or welded, produced from a rolled strip or plate with a longitudinal weld along its length. We can offer very competitive prices on duplex and super duplex pipes.

Super Duplex pipes are pipes made out of this material. Super duplex pipes combine the features of ferritic steel and of austenitic steel. This means this material possesses high strength from the ferritic structure and high corrosion resistance from the austenitic structure, plus the ability to resist stress corrosion cracking. They have good toughness, are readily available and more competitively priced than other corrosion resistant metals that use higher contents of expensive alloying additions.

The pipes could range in diameters based on different standards for example the B16.9 standard pipes range from ½ inches to 48 inches in diameter. The lengths can be customized to cut to sizes. The welded pipe can be produced for applications such as desalination plants, marine applications, flue gas scrubbing equipment, pulp and paper mill equipment and oil and gas industries. There are Super Duplex Hollow Pipe types and other specific designs such as the rectangular pipes.

Duplex stainless steels are graded for their corrosion performance, normally determined by their alloy content. Duplex Pipe are above the regular stainless steel pipes in terms of resistance to various corrosions. These pipes are specifically designed for the purpose and applications where resistance to corrosion is a must. This grade of pipes has high workability in different environmental conditions and also performs well in aqueous environments. It is made to perform under high pressure applications and protect the metal from oxidation and stress-related corrosion.

The Duplex Pipe is made with a high concentration of nickel, chromium, and ferrous in their composition. These pipes are resistant to corrosion and erosion in different mediums. These pipes are designed with superior strength and enhanced hardness; manufactured following all international and national standards. Rising Steel Industries are Duplex Pipe Suppliers who aim at supplying high-quality products through all our outlets across the country.

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Author: Andrew Elias

Andrew Elias

Member since: Aug 04, 2025
Published articles: 1

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