570~980MPa High Tensile Strength Steel Submerged Arc Welding Material NF-250×Y-204B

Characteristics

Narrow gap welding of 590MPa low temperature service steel for nuclear reactor pressure vessels and structures to be used in frigid areas. Slag is extremely easy to remove and weld metal shows excellent impact value.

NF-250×Y-204B
  • AWS A5.23 F9A6-EG-G☆ F8P6-EG-G☆

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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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