Applications

Shielded metal arc welding of mild and 490N/mm² high tensile steels of ships, bridges, buildings and pressure vessels. For welding of 490N/mm² high tensile steel.

 

Characteristics on usage

- LB-52-18 is an iron powder low hydrogen type covered electrode for all position welding.

- The mechanical properties of the weld metal are the same as LB-52.

- Its usability by direct current is the best among low hydrogen type electrodes.

 

Notes on usage

- Dry the electrodes at 300-350°C for 30-60 minutes before use.

- Take the back step method or strike the arc on a small steel plate prepared for this particular purpose to prevent blowholes at the arc starting.

- Keep the arc as short as possible.