ClassNK releases guidelines for use of highly ductile steel


Specifically, ClassNK highlights that highly ductile steel is a steel material with improved ductility that ensures the same strength and toughness as conventional steel.

The highly ductile steel absorbs more more collision energy than conventional steel, and by applying it to hull structures, damage during collisions and groundings can be reduced.

In addition, improved ductility is effective in preventing fracturing, and it is expected to ensure safety during flooding.

Concluding, ClassNK has compiled the procedures for class notations for ships applying highly ductile steel as well as its manufacturing and welding requirements into the guidelines.



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