Abstract: A method for the manufacture of a welded joint including the following successive steps: I. The provision of at least two metallic substrates wherein at least one metallic substrate is a steel substrate, and II. The welding of the at least two metallic substrates with a welding head while, simultaneously, applying on the at least two metallic substrates, ahead of the welding head, a welding flux including a titanate and a nanoparticulate oxide selected from the group consisting of TiO2, SiO2, ZrO2, Y2O3, Al2O3, MoO3, CrO3, CeO2, La2O3 and mixtures thereof.

Abstract: A method for the manufacture of a welded joint having the following successive steps: I. the provision of at least two metallic substrates wherein at least one metallic substrate is a steel substrate having a thickness of at least 8 mm and being delimited by at least one beveled edge, wherein said beveled edge is at least partially coated with a pre-coating having a titanate and a nanoparticulate oxide selected from the group consisting of TiO2, SiO2, ZrO2, Y2O3, Al2O3, MoO3, CrO3, CeO2, La2O3 and mixtures thereof, and II. the welding of the at least two metallic substrates along the at least partially coated beveled edge by laser arc hybrid welding in leading arc configuration.

Abstract: A welding flux including a titanate and a nanoparticulate Niobium compound chosen from among Niobium oxides, alkali niobates and mixtures thereof.

Abstract: A method for the manufacture of a welded joint have the following successive steps: I. the provision of at least two metallic substrates wherein at least one metallic substrate is a steel substrate having a thickness of at least 50 mm and being delimited by at least one sidewall, wherein said sidewall is at least partially coated with a pre-coating having a titanate and a nanoparticulate oxide selected from the group consisting of TiO2, SiO2, ZrO2, Y2O3, Al2O3, MoO3, CrO3, CeO2, La2O3 and mixtures thereof, and II. the welding of the at least two metallic substrates along the at least partially coated sidewall by narrow gap welding.

Abstract: A flux-cored wire including a sheath and a flux that fills the sheath, wherein the flux includes a titanate and a nanoparticulate oxide selected from the group consisting of TiO2, SiO2, ZrO2, Y2O3, Al2O3, MoO3, CrO3, CeO2, La2O3 and mixtures thereof.

Abstract: A pre-coated steel substrate coated with optionally, an anticorrosion coating and a pre-coating including at least one titanate and at least one nanoparticle, the steel substrate having a reflectance higher or equal to 60% at wavelengths between 6.0 and 15.0 ?m.

Abstract: A pre-coated metallic substrate wherein a bare metallic substrate having a reflectance higher or equal to 60% at all wavelengths between 0.5 and 5.0 ?m is coated with a pre-coating including at least one titanate and at least one nanoparticle; a method for the manufacture of this pre-coated metallic substrate; a method for the manufacture of a coated metallic substrate and a coated metallic substrate.

Abstract: A pre-coated steel substrate coated with: —optionally, an anticorrosion coating and —a flux including at least one titanate and at least one nanoparticle chosen from: TiO2, SiO2, Yttria-stabilized zirconia (YSZ), Al2O3, MoO3, CrO3, CeO2 or a mixture thereof, the thickness of the flux being between 30 and 95 ?m.

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.

Abstract: A coated steel substrate including a coating comprising nanographite having a lateral size between 1 and 60 ?m and a binder, wherein the steel substrate has the following compositions in weight percent: 0.31?C?1.2%, 0.1?Si?1.7%, 0.15?Mn?1.1%, P?0.01%, S?0.1%, Cr?1.0%, Ni?1.0%, Mo?0.1%, and on a purely optional basis, one or more elements such as Nb?0.05%, B?0.003%, Ti?0.06%, Cu?0.1%, Co?0.1%, N?0.01%, V?0.05%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration and a method for the manufacture of the coated steel substrate.

Abstract: A coated steel substrate including a coating including nanographite having a lateral size between 1 and 60 ?m and a binder, wherein the steel substrate has the following compositions in weight percent: 0.31?C?1.2%, 0.1?Si?1.7%, 0.7?Mn?3.0%, P?0.01%, S?0.1%, Cr?0.5%, Ni?0.5%, Mo?0.1%, and on a purely optional basis, one or more elements such as Nb?0.05%, B?0.003%, Ti?0.06%, Cu?0.1%, Co?0.1%, N?0.01%, V?0.05%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration; and a method for the manufacture of the coated steel substrate.

Abstract: A coated steel substrate including a coating including nanographite having a lateral size between 1 and 60 ?m and a binder including sodium silicate or a binder including aluminum sulfate and an additive being alumina, wherein the steel substrate has the following compositions in weight percent: 0.31?C?1.2%, 0.1?Si?1.7%, 0.15?Mn?3.0%, P?0.01%, S?0.1%, Cr?1.0%, Ni?1.0%, Mo?0.1%, and on a purely optional basis, one or more elements such as Nb?0.05%, B?0.003%, Ti?0.06%, Cu?0.1%, Co?0.1%, N?0.01%, V?0.05%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration and a method for the manufacture of the coated steel substrate.