Que hàn cường độ cao NIHONWELD N-8018-G

I. APPLICATIONS:

Welding of 55kgf/mm² class high tensile strength steel for ships, bridges, buildings, and boilers.

II. DESCRIPTIONS:

N-8018G is an iron powder low hydrogen type electrode, and provides good usability with direct current applications in all-positions. The weld metal has good crack resistability and X-ray soundness. Also it is suitable for multi-layer fillet welding in large leg length.

III. NOTES ON USAGE:

• Dry the electrodes at 300-350ºC for one hour before use.
• Take the backstep method or strike the arc on a small steel plate prepared to prevent blowholes at the arc starting.
• Keep the arc as short as possible.

IV. TYPICAL CHEMICAL COMPOSITION OF DEPOSITED METAL (%):

V. TYPICAL MECHANICAL PROPERTIES OF DEPOSITED METAL:

VI. WELDING POSITIONS: ALL POSITIONS EXCEPT VERTICAL DOWN

VII. SIZES & RECOMMENDED CURRENT RANGE: AC or DC (+)