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News / ClassNK calls for upgraded steel plate tolerance in mega-boxship construction

MOL Comfort
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Japanese classification society ClassNK is claiming a “world-first” breakthrough finding in the required crack arrest toughness of steel plates used in the construction of ultra-large container vessels (ULCVs).

In response to the huge increases in containership sizes over the past decade and the need to ensure their structural ...

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  • Dave McCrae

    July 30, 2016 at 12:20 am

    We encountered this problem in 1976 in Perry Nuclear Plant Emergency Cooling Water Intake Structures. The crack initiation was traced to weld joint design, and lamellar tearing within the plate. 🙂

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