| 摘要 |
PURPOSE: A flux cored wire used for welding ferrite-based stainless steel is provided to prevent an exhaust system of a vehicle from being clogged by minimizing an amount of slag. CONSTITUTION: A flux cored wire includes an outer skin and a flux. The outer skin of the flux cored wire includes less than 0.03 weight % of C, less than 0.03 weight % of Si, 0.15 to 0.45 weight % of Mn, less than 0.02 weight % of P, and less than 0.02 weight % of S. The flux includes 0.1 to 2.0 weight % of Si, 0.1 to 3.0 weight % of Mn, 12.0 to 25.0 weight % of Cr, 0.1 to 3.0 weight % of Ti, 0.1 to 3.0 weight % of Mo, and 0.3 to 1.5 weight % of (Ti+Nb)/Mo. The flux cored wire has impurities including less than 0.02 weight % of C, less than 0.02 weight % of P, less than 0.01 weight % of P, and less than 0.01 weight % of N.
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