Kobelco Welding Electrode LB52 (5KG/20KG)

LB-52 is the most popular electrode for 490MPa class high tensile steel in ships, bridges, buildings and pressure vessels. This electrode was adopted in the forst nuclear reactor vessel of Japan. Its usability is good ini all positions and it deposits weld metal of high quality. General Characteristics Wordability – In all positions the workability is good and both fluidity and removeability of slag are fine – The arc is stable and bead appearance is quite beautiful Production Sizes and Recommended Welding Current Table 1: Production sizes and recommened welding current (AC/DC) Electrode Diameter (mm) 2.6 3.2 4.0 5.0 Electrode Length (mm) 350 350 400 450 Flat Position (Amp) 55-85 90-130 130-180 180-240 Vertical & Overhead (Amp) 50-80 80-120 110-170 150-200