Low Temperature Service Steel Submerged Arc Welding Material NB-55LS×Y-3NI

Characteristics

It produces Ti-B bearing weld metal having excellent low temperature toughness as impact value at −70°C and CTOD value at −50°C in as welded condition. It rovides sufficient resistance for sea water corrosion.

Applications

Multi-layer welding of high-toughness YP360 and YP420 class steel for offshore structures in frigid sea area.

NB-55LS×Y-3NI
  • AWS A5.23 F7A10-EG-Ni3☆

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  • ☆It means that the product meets the classification requirements but that the JIS Mark system and AWS are not authentication to the classification by third parties.
  • ★It means that the product meets most of the classification requirements. However, there is for example a partial deviation in chemical composition etc.

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