Voestalpine Böhler Welding


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.

Amarinth succeeds against Covid-19 challenges

Amarinth has succeeded against the many challenges posed by Covid-19 to achieve an on-time delivery of four high-capacity pumps to a producing oil field, Equatorial Guinea.

Additively manufactured duplex: better than wrought?

Additive manufacturing (AM) processes are rapidly maturing and offer the capability to build a new generation of components with complex designs, enhanced functionality, and rapid repair of existing components.

Delivery of specialized Super Duplex products in Perth

The Perth division of Special Piping Materials was established in 2006 and since then the team has developed a very well-deserved reputation for efficient, reliable, and high-quality service.

Neway secures contract to supply offshore wind project

Recently, Neway was officially awarded the contract to supply manual & actuated Ball, GGC, and Butterfly valves with stainless steel, duplex, super duplex, and titanium materials for a major renewable energy - offshore wind project in Northern Europe.

Outokumpu duplex popularity grows as it turns 90

Outokumpu is celebrating 90 years since duplex stainless steel made its debut on the world market. The global leader in stainless steel is using the opportunity to highlight the growing role of duplex grades in supporting sustainability.

Kobe extends agreement with Nantong/Zhongxing Energy

Kobe Metal has extended the exclusive agreement with Nantong Special Steel/Zhongxing Energy to include the North American, European, and Middle East markets.

Development of China’s marine stainless steel: Naifen

Tan Naifen, Deputy Secretary-General and Director of the Statistical Information Department of China Shipbuilding Industry Association, introduced the application and development status of China’s marine stainless steel at the Stainless Steel Online Lecture and Last Online Metal Week hosted by the Stainless Steel Branch of the China Special Steel Enterprise Association.

Focus on welding duplex at Duplex World 2021

While duplex stainless steels are strong and versatile materials, they need to be treated with respect during welding. At Duplex World 2021 (24 & 25 February, RDM Rotterdam, the Netherlands), two separate sessions will cover this important topic.An interactive workshop on 24 Feb, titled 'Welding & special treatments' will begin with a discussion of duplex/ super duplex GTAW pipe welding.

AFG secures agreement with Custom Alloy Corp.

AFG Holdings, Inc. announced that its AFG Aero & Industrial business has reached an agreement with Custom Alloy Corporation to exclusively manufacture and market their commodity based-product in the USA.

OceanTools secures Proeon Systems order

OceanTools announced that it has secured a significant order from Proeon Systems Ltd, safety and control systems integration company based in Norfolk, United Kingdom.