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US 12,390,875 B2Granted
Method for the manufacture of an assembly by submerged arc welding (SAW)
AssigneeArcelorMittal
InventorsAlvaro Manjon Fernandez, Marcos Perez Rodriguez, Roberto Suarez Sanchez, Sivasambu Bohm
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Abstract
A pre-coated steel substrate wherein the coating including at least one titanate and at least one nanoparticle; a method for the manufacture of an assembly; a method for the manufacture of a coated steel substrate and a coated substrate substrate. It is particularly well suited for construction, shipbuilding and offshore industries.
Claims24
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, CeO2 and mixtures thereof, the coated steel substrate further including a shielding flux.
1 more element
Dependencies are inferred from the claim text.