Duplex steels are two-phases micro structure consisting of grains of
ferrite and austenitic stainless steel. Duplex steels are made by using
contents like chromium, higher molybdenum, nickel and nitrogen. This
provides low corrosion resistance compared with the 300 series stainless
steels. Duplex steels are used extensively in the offshore oil and gas
industry for pipework systems There are variety of durable Duplex steels
are available in various sizes and specifications.
Types of Duplex Steel:
- Lean Duplex Steel
- Standard Duplex Steel
- Hyper Duplex Steel
- Super Duplex Steel
Characteristics of Duplex Steel:
- High Corrosion Resistant
- Good Workability
- High strength
- High Ductility Value
- Highly Durable
- Rugged structure
- Less maintenance
- High functionality
Application areas:
- Duplex steel is used in making storage tanks, container or vessels, in pulp and paper, as well as in chemical industry.
- This type of steel is used in the manufacturing of tanks and containers in the food and beverages factory.
- It is used in Pressure vessels in all kinds of industries.
- Moulded duplex steel are use to make the components for vehicle like trains, tramway or cars.
- It is also used to manufacture Heat exchangers in petrochemical plants and Flue gas cleaning plants.
- It is used to make the structural elements for bridges and architectural projects, especially near seawater.
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