Duplex Pipes
Duplex Pipes

In comparison to austenitic stainless steel, which is more common, Duplex Pipes stainless steel has a unique set of properties that confer several advantages on the end user. Although the ratio of austenite to ferrite in the steel’s mixed microstructure is this proportion is determined by the specific alloying steels that are being utilized in the manufacturing process. One of the steels that see the greatest action on the market is called duplex steel.

Why did you decide to use Duplex?

When compared to normal austenitic steel grades like Type 304, for example, the duplex has a higher yield strength, but its corrosion-resistant performance is on par with that of regular austenitic steel grades. The steel also has a reduced alloy percentage, which contributes significantly to the overall cost reduction of the material that is being produced.

When thinking about duplex steel, pricing is really the most beneficial aspect to consider, and this is not simply due to the fact that supply prices are cheaper. Because of the enhanced yield strength of the material, the buyer of Duplex has the chance to acquire the material in decreased thicknesses without having to make any sacrifices in terms of quality or performance. This is made possible by Duplex. Because of this, purchasing steel is a really appealing option indeed.

Principal Attributes:

Provides a corrosion resistance that is comparable to Type 304.

Strength with a higher tensile and yield load

Strong resistance to cracking caused by stress and corrosion (SSC)

Excellent ductility as well as toughness (though not as good as austenitic grades)

Less expensive to produce and used in thinner layers because of its versatility.


The duplex alloy, which is the most common kind available, has a chromium content of 22 percent and a nickel content of 5 percent. There are other alloys known as “Super Duplex Pipes” that provides better resistance to corrosion and may be purchased.

Sheets, coils, and pipes are all forms that may be offered, which is a material that is used extensively in many different sectors, including the chemical, petrochemical, pharmaceutical, and food processing industries.

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