Flux-cored arc welding wire for providing superior toughness and weldability to a welded joint at a low temperature, and welded joint using same
US9492894B2 · kind B2 · utility
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Key dates
| Filing date | Dec 27, 2011 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Jan 9, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Provided are a flux cored arc welding wire able to improve low-temperature toughness of a weld joint and a weld joint using the same, in which the flux cored arc welding wire includes 0.01 wt % to 0.1 wt % of carbon (C), 0.3 wt % to 1.4 wt % of silicon (Si), 1.0 wt % to 3.0 wt % of manganese (Mn), 4.0 wt % to 7.5 wt % of titanium (Ti)+TiO, 0.01 wt % to 3.0 wt % of nickel (Ni), 0.01 wt % to 0.2 wt % of boron (B), 0.02 wt % to 0.42 wt % of yttrium (Y) or 0.02 wt % to 0.56 wt % of a rare earth metal (REM), and iron (Fe) as well as other unavoidable impurities as a remainder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.