High Tensile Low-Alloy Steels

High Tensile Low-Alloy Steels

High Tensile Steel

NK-7018


CLASSIFICATION

AWS A5.1 E7018 | JIS Z 3212 D5016

PRODUCT DESCRIPTION

NK-7018 is an iron powder low hydrogen type electrode, which has been designed for the use on heavy-duty structures in all positions. Its hydrogen content of weld metal is very low and it has excellent toughness and crack resistibility. It has applied of low carbon steel with high efficiency high.

APPLICATIONS AND MATERIALS TO BE WELDED

Heavy-duty structures, shipbuilding, boilers, storage tanks, pressure vessels and thick plate structures using 50 kgf/mm2 class high tensile steel.


WELDING AMPERAGE AC and DC

AC or DCEP

Size

(mm)

Diameter

2.5

3.2

4.0

5.0

Length

350

350

400

400

Current Range (Amp.)

70 ~ 110

90 ~ 150

140 ~ 200

180 ~ 250

OTHER DATA

Dry the electrodes at 350° ~ 400°C for 30 ~ 60 minutes before use