Duplex stainless steels have a ferritic-austenitic microstructure, in roughly equal proportions 50% ferrite and 50% austenite. Duplex combines many of the attractive properties of ferritic and austenitic stainless steels into one. They are designed to provide better corrosion resistance, in particular to stress corrosion and pitting corrosion. The microstructure leads to higher strength than standard austenitic stainless steels such as Type 304 or 316. Duplex stainless steels have become more and more popular in recent years.

Fifty years of working with Shell

On the 11th November, Nippon Steel Corporation, Sumitomo Corporation and Shell held a ceremony in The Hague, the Netherlands, to celebrate the 50th anniversary...

Alleima receives an order of OCTG tubes for CCS project

Alleima has received an order of Oil Country Tubular Goods (OCTG) tubes to be used for a carbon capture and storage (CCS) project. Through...

Duplex LiKOSET thickener from ANDRITZ

The new LiKOSET thickener from ANDRITZ, a solution for efficient clarification of liquids and recovery of slurry, is built from high-quality duplex stainless steel, thus making it suitable for corrosive and humid operating conditions.

Acerinox receives Ecovadis platinum

Acerinox has received the platinum medal from Ecovadis, the highest score awarded by the rating platform for evaluating Corporate Social Responsibility.

Alleima: major order for advanced tubes

Alleima has received a major order for advanced tubes and umbilicals for the oil and gas customer segment, to a total value of about SEK 240 million (EUR 18.2).

Prof. Thomas Ladwein receives Duplex World Lifetime Achievement Award

The Award honours an individual who has excelled in their efforts to selflessly share their knowledge and experience, and promote the use of duplex stainless steels as a sustainable, efficient, and successful materials solution.

Duplex pumps for wind turbine installation vessels

KSB S.A.S., a French company belonging to the KSB Group, received three major orders to equip several wind turbine installation vessels (WTIV) with the Multitec series high-pressure pumps.

Equinor commissions Fabtech footbridges

Sverdrup Steel’s partner company Fabtech was commissioned by Equinor to build footbridges to replace the existing footbridges on the Mongstad facility.

Two weeks until Duplex World: register today!

Duplex World Seminar & Summit will take place on 1 & 2 November in Rotterdam, the Netherlands. This seminar & exhibition, renowned for its...

KSB supplying equipment for electrolyser

By the end of 2022, the KSB Group will have supplied pumps and valves for an electrolysis plant generating green hydrogen. In the Norwegian industrial...