NAHAVIWEL Welding Electrodes NB-7018

WELDING ELECTRODE NAHAVIWEL NB-7018

1. About NB- 7018

Welding electrode brand NB-7018 is the product with Fe added to flux powder. The low content of hydro in flux coating makes the welding speed higher.

It is less smoke, stable arc, less spatter, easy-removal slag, deep penetration, beautiful bead, suitable with all position.

2. Applications and Usage instructions:

Well used for structure needed for more than 540 N/mm²

This product can be used for all types of weldment with high strength and good bead appearance, suitable for thick plate of steel.

This product is also best suited with: shipbuilding, barge, high-pressured tank, pre-fabricated engineering, machine parts, bridges, etc.

3. Safety alert:
Smoke and gas can harm your health. Arc ray can cause irritation for eyes or burning skin. Electrical shock can kill. Welders are seriously advised to wear fully protective gear and not to touch on-going electrical devices.

Humid sticks can generate more smoke, more spatter, un-stability, porosity.

Better preheat products at 100^oC - 150^oC before welding.

1. Standard:

- AWS A5.1 – E7018

- JIS Z 3212 – D5016

- TCVN 3223-E513

Approved by Vietnam Register: QCVN 21:2010/BGTVT – MW53; QCVN 67:2013/BGTVT

2. Diameter & welding current (AC&DC)

Note: F (Flat), FW (Fillet Weld), VU (Vertical Upward), H (Horizontal), OH (Overhead).

3. Mechanical properties of the weld metal:

4. Chemical composition of the weld metal: