Self-shielded arc welding flux cored wire

摘要

PROBLEM TO BE SOLVED: To provide a flux-cored wire for self-shield arc welding having an excellent welding workability, capable of providing a welding metal with high toughness, and whose manufacturing cost is low.;SOLUTION: The flux-cored wire for self-shield arc welding in which flux is filled in a steel-made outer shell contains Al of 1.5-9%, Mg-Fe based composite oxide of 2.0-15%, Mn and/or Ni in total of 0.1-5%, Mg of 0.1-4% (the Mg in the Mg-Fe based-composite oxide is not contained) to the whole mass of the wire.;COPYRIGHT: (C)2003,JPO