US 12,440,928 B2
Welding wires with high impact toughness
Woong Kil, Changwon (KR); Woo Sung Yang, Changwon (KR); and Young Joon Kim, Changwon (KR)
Assigned to THE ESAB GROUP, INC., North Bethesda, MD (US)
Filed by The ESAB Group, Inc., North Bethesda, MD (US)
Filed on Sep. 26, 2023, as Appl. No. 18/474,326.
Application 18/474,326 is a continuation of application No. PCT/US2022/022477, filed on Mar. 30, 2022.
Claims priority of provisional application 63/168,537, filed on Mar. 31, 2021.
Prior Publication US 2024/0017360 A1, Jan. 18, 2024
Int. Cl. B23K 35/02 (2006.01); B23K 35/30 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01)
CPC B23K 35/0266 (2013.01) [B23K 35/3093 (2013.01); C22C 38/002 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A welding wire comprising a ferrous metal welding material and a flux material including flux ingredients, the flux ingredients comprising, in weight percent based on the total weight of the welding wire:
1.70-1.91 aluminum;
no greater than 1.02 manganese;
less than 1.50 magnesium, wherein magnesium is present in the flux material; and
no greater than 0.02 rare earth metal oxide, wherein rare earth metal oxide is present in the flux material;
wherein the rare earth metal oxide comprises at least 99 wt % cerium oxide based upon total weight of rare earth metal oxide.