| 摘要 |
PROBLEM TO BE SOLVED: To provide a titania-based flux cored wire for arc welding which gives excellent welding workability and weld metal performance, and has less moisture absorption quantity. SOLUTION: The wire has a steel outer shell which is filled with a flux in an amount of 10-20 mass% as the ratio to the total mass of the wire. The flux contains 10-60 mass% of titanium and titanium oxide in terms of TiO<SB>2</SB>, 0.5-10 mass% of sodium compound in terms of Na<SB>2</SB>O, and 0.5-10 mass% of potassium compound in terms of K<SB>2</SB>O. Additionally the specific surface area of the titanium oxide is adjusted to 0.4-2.0 m<SP>2</SP>/g. COPYRIGHT: (C)2005,JPO&NCIPI
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