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Duplex

    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.

    Duplex bridge in Bilbao, Spain

    Stainless Steel World Publisher -
    A bridge using duplex stainless steel as the main structural element is being constructed in Bilbao, Spain.

    Cummins engine available on Lincoln welder

    Stainless Steel World Publisher -
    The Lincoln Electric Company’s Commander™ 500 multi-process, engine-driven welder/generator now offers contractors the choice of the Cummins engine.

    Hoke Gyrolok range available in stainless

    Stainless Steel World Publisher -
    The Hoke Gyrolok range of instrumentation fittings is now available from Circor in a new line including 316 stainless steel, brass, carbon steel, Monel, Carpenter 20, Hastelloy C276, Inconel, Titanium, 254 SMO, Duplex 2205 and Super Duplex.

    Alloy integrated fluid system solution

    Stainless Steel World Publisher -
    A challenge posed by the oil and gas industry and an ambitious product development relationship between Sandvik Steel AB and Swagelok Company has led to a new SAF 2507 alloy integrated fluid system solution that performs in highly corrosive, chloride-containing environments, such as oil and gas exploration and production activities.

    On-site lock re-coding for valve interlocks

    Stainless Steel World Publisher -
    Smith Flow Control has introduced a new series of valve interlocks made of stainless steel.
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