	US 12,390,875 B2
	Method for the manufacture of an assembly by submerged arc welding (SAW)
Alvaro Manjon Fernandez, Oviedo Asturias (ES); Marcos Perez Rodriguez, Cangas del Narcea Asturias (ES); Roberto Suarez Sanchez, Aviles Asturias (ES); and Sivasambu Bohm, Godmanchester (GB)
Assigned to ArcelorMittal, Luxembourg (LU)
Appl. No. 17/603,463
Filed by ArcelorMittal, Luxembourg (LU)
PCT Filed Apr. 16, 2020, PCT No. PCT/IB2020/053584 § 371(c)(1), (2) Date Oct. 13, 2021, PCT Pub. No. WO2020/212887, PCT Pub. Date Oct. 22, 2020.
Claims priority of application No. PCT/IB2019/053176 (WO), filed on Apr. 17, 2019.
Prior Publication US 2022/0176485 A1, Jun. 9, 2022
Int. Cl. B23K 9/18 (2006.01); B23K 9/02 (2006.01); B23K 9/23 (2006.01); B23K 9/235 (2006.01); B23K 35/36 (2006.01); B23K 101/34 (2006.01); B23K 103/04 (2006.01); B23K 103/10 (2006.01); C23C 28/00 (2006.01)

CPC B23K 9/18 (2013.01) [B23K 9/02 (2013.01); B23K 9/232 (2013.01); B23K 9/235 (2013.01); B23K 35/3608 (2013.01); C23C 28/321 (2013.01); C23C 28/3455 (2013.01); B23K 2101/35 (2018.08); B23K 2103/04 (2018.08); B23K 2103/10 (2018.08)]

24 Claims

1. A pre-coated steel substrate comprising:

a steel substrate; and

a pre-coating coating the steel substrate, the precoating including at least one titanate having a diameter between 1 and 40 μm and at least one nanoparticle, wherein the at least one nanoparticle is selected from the group consisting of: TiO₂, SiO₂, Yttria-stabilized zirconia (YSZ), Al₂O₃, MoO₃, CrO₃, CeO₂and mixtures thereof, the coated steel substrate further including a shielding flux.