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.

    Plus Ten Stainless redesigned website

    Stainless Steel World Americas Publisher -
    California-based Plus Ten Stainless, suppliers of stainless steel plate, duplex stainless steel plate, Prodec plate and aluminum plate, recently introduced their redesigned website.

    SXP pipe gains NORSOK approval

    Stainless Steel World Americas Publisher -
    Schulz Xtruded Products (SXP), with branches in North and South America, has achieved NORSOK standards for its production of hot extruded and cold worked seamless super duplex pipes, from 1” up to 16” NPS in all sorts of CRA and Nickel grades.

    New purging system for stainless, duplex & chrome

    Stainless Steel World Americas Publisher -
    Huntingdon Fusion Thechniques (HFT), a manufacturer of tube and pipe purging systems, with partners in Canada, the U.S. and Sounth America, has introduced their PurgElite® purging system, specially designed to prevent oxidisation and discolouration and ensure a good internal weld profile, when welding tubes and pipes such as stainless steel, duplex and chrome.

    Anil Metals new Sandvik distributor

    Stainless Steel World Americas Publisher -
    Sandvik Materials Technology, a leading producer of round bar products in austenitic and duplex stainless steel grades, with branches in the U.S., has signed an agreement with Anil Metals, making it the official distributor of its stainless steel round bar products in India.

    Victaulic’s updated super duplex plug valve

    Stainless Steel World Americas Publisher -
    The StrengThin™ Piping System with the Series 466 plug valve and Style D08 coupling offered by Victaulic has recently been updated and improved.

    Designed for on/off and control services, the 466 features an increased flow area and smaller end-to-end dimensions than the 465.

    Outokumpu’s Wildwood facility adopts fast track program

    Stainless Steel World Americas Publisher -
    Outokumpu’s Stainless Pipe facility in Wildwood, Florida (USA) announces a more robust “Fast Track” program designed to fill emergency orders for small volume, non-standard pipe products.

    Key to the program’s improvement is the new 6,000-ton, fully automated press at the Wildwood mill, which allows the mill team to produce heavy wall pipe from plate supplied by the Outokumpu quarto plate mill in New Castle, Indiana.

    Chemical Tanker Uses Stainless steel combo

    Stainless Steel World Americas Publisher -
    The world’s first chemical tanker to use a combination of duplex stainless steel and stainless clad steel in the construction of its cargo tanks was successfully delivered to Oita-based Hiro Naviera S.

    ClearSign’s duplex tile tech wins award

    Stainless Steel World Americas Publisher -
    An emerging company in combustion and emissions control technology for the industrial market, ClearSign Combustion Corporation, has won the New Technology Development of the Year Award at last month’s 2014 West Coast Oil & Gas Awards.

    IMOA publishes revised duplex brochure

    Stainless Steel World Americas Publisher -
    The International Molybdenum Association has published the third edition of “Practical Guidelines for the Fabrication of Duplex Stainless Steels. It has been significantly revised and updated from the second edition published in 2009.

    Outokumpu’s duplex used in wind towers

    Stainless Steel World Americas Publisher -
    Stalatube has selected Outokumpu’s duplex stainless steel as one of the main construction materials for its new StalaWind wind power towers. Duplex is a strong and durable material, which provides very good features in this demanding application.
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