18%Cr-8%Ni clad steel and parts of hardenable steel of which heat treatment after welding is impossible or which require low carbon weld metal.
NSSW SF-309L is a seamless flux cored arc welding wire to be used with CO2 or Ar+ more than 20%CO2 shield gas. Spatters are few, slag is easy to remove and bead appearance and shape are excellent. It is highly resistant to moisture absorption and wire feeding is smooth since the wire has no seam. High welding efficiency is assured in flat and horizontal fillet positions.