Abstract: A process for manufacturing an additively-manufactured part from a metal powder having a composition having the following elements, expressed in content by weight: 6%?Ni?14%, 5%?Cr?10%, 0.5%?Si?2.5%, 0.5%?Ti?2%, C?0.04% and optionally containing 0.5%?Cu?2%, the balance being Fe and unavoidable impurities resulting from the elaboration, the metal powder having a microstructure including in area fraction more than 98% of a body-centered cubic crystalline phase, the process having a step during which at least a part of the metal powder is melted in an atmosphere substantially composed of an inert gas other than Argon or of a combination of inert gases other than Argon.

Abstract: A hot rolled steel sheet having a composition including the following elements, 0.18%?Carbon?0.3%, 1.8%?Manganese?4.5%. 0.8%?Silicon?2%, 0 001%?Aluminum?0.2%, 0.1%?Molybdenum?1%, 0.001%?Titanium?0.2%, 0.0001%?Boron?0.01%, 0%?Phosphorus?0.09%, 0%?Sulfur?0.09%, 0%?Nitrogen?0.09%, 0%?Chromium?0.5%, 0%?Niobium?0.1%, 0%?Vanadium?0.5%, 0%?Nickel?1%, 0%?Copper?1%, 0%?Calcium?0.005%, 0%?Magnesium?0.0010% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of said steel sheet including in area fraction, of at least 70% martensite, 8% to 25% residual austenite, wherein the shape factor of the residual austenite is between 4 and 12.

Abstract: A hot rolled steel having a composition including the following elements, expressed in percentage by weight 15%?Nickel?25%, 6%?Cobalt?12%, 2%?Molybdenum?6%, 0.1%?Titanium?1%, 0.0001%?Carbon?0.03%, 0.002%?Phosphorus?0.02%, 0%?Sulfur?0.005%, 0%?Nitrogen?0.01%, and can contain one or more of the following optional elements 0%?Aluminum?0.1%, 0%?Niobium?0.1%, 0%?Vanadium?0.3%, 0%?Copper?0.5%, 0%?Chromium?0.5% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel sheet including in area fraction, 20% to 40% Tempered Martensite, at least 60% of Reverted Austenite and inter-metallic compounds of Molybdenum, Titanium and Nickel.

Abstract: A hot rolled steel sheet having a composition including the following elements 0.38%?Carbon?0.5%, 1%?Manganese?2%, 0.1%?Silicon?0.7%, 0 01%?Aluminum?0.1%, 0.3%?Chromium?1%, 0.002%?Boron?0.05%, 0.002%?Phosphorus?0.02%, 0%?Sulfur?0.005%, 0%?Nitrogen?0.01%, 0%?Molybdenum?0.5%, 0%?Vanadium?0.5%, 0%?Niobium?0.05%, 0.001%?Titanium?0.1%, 0%?Nickel?1%, 0%?Copper?1%, 0%?Tin?0.1%, 0%?Lead?0.1%, 0%?Antimony?0.1%, 0.0001%?Calcium?0.01%, 0%?Magnesium?0.0010%, the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel sheet including in area fraction, at least 94% Martensite, 0% to 5% Residual Austenite and carbides of Chromium, Niobium, Vanadium and Iron from 0% to 5%.

Abstract: A hot rolled steel sheet having a composition including, 0.02%?Carbon?0.2%, 3%?Manganese?9%, 0.2%?Silicon?1.2%, 0.9%?Aluminum?2.5%, 0%?Phosphorus?0.03%, 0%?Sulfur?0.03%, 0%?Nitrogen?0.025%, 0%?Molybdenum?0.6%, 0%?Titanium?0.1%, 0.0001%?Boron?0.01%, 0%?Chromium?0.5%, 0%?Niobium?0.1%, 0%?Vanadium?0.2%, 0%?Nickel?1%, 0%?Copper?1%, 0%?Calcium?0.005%, 0%?Magnesium?0.0010% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel sheet including in area fraction, at least 60% of tempered martensite, 15% to 40% residual austenite, 0% to 10% polygonal ferrite, 0% to 5% of bainite, 0 to 15% of fresh martensite and 0% to 5% of carbides of Niobium, Titanium, Vanadium or Iron.

Abstract: A hot rolled steel sheet having a composition including of the elements, 0.02%?Carbon?0.2%, 3%?Manganese?9%, 0.2%?Silicon?1.2%, 0.9%?Aluminum?2.5%, 0%?Phosphorus?0.03%, 0%?Sulfur?0.03%, 0%?Nitrogen?0.025%, 0%?Molybdenum?0.6%, 0%?Titanium?0.1%, 0.0001%?Boron?0.01%, 0%?Chromium?0.5%, 0%?Niobium?0.1%, 0%?Vanadium?0.15%, 0%?Nickel?1%, 0%?Copper?1%, 0%?Calcium?0.005%, 0%?Magnesium?0.0010%, the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of the steel sheet including in area fraction, at least 60% of tempered martensite, 15% to 40% residual austenite, 0% to 10% polygonal ferrite, 0% to 5% of bainite, 0 to 15% of fresh martensite and 0% to 5% of carbides of Niobium, Titanium, Vanadium or Iron.

Abstract: A hot rolled steel having a composition including the following elements, expressed in percentage by weight: 15%?Nickel?25% 6%?Cobalt?12% 2%?Molybdenum?6% 0.1%?Titanium?1% 0.0001%?Carbon?0.03% 0.002%?Phosphorus?0.02% 0%?Sulfur?0.005%. 0%?Nitrogen?0.01% and can contain one or more of the following optional elements 0%?Aluminum?0.1% 0%?Niobium?0.1% 0%?Vanadium?0.3% 0%?Copper?0.5% 0%?Chromium?0.5% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of said steel sheet comprising in area fraction, 20% to 40% Tempered Martensite, at least 60% of Reverted Austenite and inter-metallic compounds of Molybdenum, Titanium and Nickel.

Abstract: A process for manufacturing an additively-manufactured part from a metal powder having a composition having the following elements, expressed in content by weight: 6%?Ni?14%, 5%?Cr?10%, 0.5%?Si?2.5%, 0.5%?Ti?2%, C?0.04% and optionally containing 0.5%?Cu?2%, the balance being Fe and unavoidable impurities resulting from the elaboration, the metal powder having a microstructure including in area fraction more than 98% of a body-centered cubic crystalline phase, the process having a step during which at least a part of the metal powder is melted in an atmosphere substantially composed of an inert gas other than Argon or of a combination of inert gases other than Argon.

Abstract: A hot rolled steel sheet having a composition including the following elements, 0.18%?Carbon?0.3%, 1.8%?Manganese?4.5%. 0.8%?Silicon?2%,0 001%?Aluminum ?0.2%, 0.1%?Molybdenum?1%, 0.001%?Titanium?0.2%, 0.0001%?Boron?0.01%, 0%?Phosphorus?0.09%, 0%?Sulfur?0.09%.,0%?Nitrogen?0.09%, 0%?Chromium?0.5%, 0%?Niobium?0.1%, 0%?Vanadium?0.5%, 0%?Nickel?1%, 0%?Copper?1%, 0%?Calcium?0.005%, 0%?Magnesium?0.0010% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of said steel sheet including in area fraction, of at least 70% martensite, 8% to 25% residual austenite, wherein the shape factor of the residual austenite is between 4 and 12.

Abstract: A hot rolled steel having a composition including the following elements, expressed in percentage by weight: 15%?Nickel?25% 6%?Cobalt?12% 2%?Molybdenum?6% 0.1%?Titanium?1% 0.0001%?Carbon?0.03% 0.002%?Phosphorus?0.02% 0%?Sulfur?0.005%. 0 %?Nitrogen?0.01% and can contain one or more of the following optional elements 0%?Aluminum?0.1% 0%?Niobium?0.1% 0%?Vanadium?0.3% 0%?Copper?0.5% 0%?Chromium?0.5% the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure of said steel sheet comprising in area fraction, 20% to 40% Tempered Martensite, at least 60% of Reverted Austenite and inter-metallic compounds of Molybdenum, Titanium and Nickel.

Abstract: A rolled steel sheet suitable for enameling, having a carbon profile, defined by a gradient in the C-level from a level Csurface at at least one surface of the sheet, to a level Cbulk in the bulk of the sheet, Cbulk being higher than Csurface, and with Cbulk higher than 0 and lower than 0.08 wt %, Csurface between 0 and 0.015 wt %, Al between 0.012 wt % and 0.07 wt %, Mn between 0.12 wt % and 0.45 wt % and O lower than 0.01 wt % and wherein the depth where the C-level reaches (Cbulk+Csurface)/2, is higher than 75 ?m.

Abstract: A rolled steel sheet suitable for enamelling, having a carbon profile, defined by a gradient in the C-level from a level Csurface at at least one surface of the sheet, to a level Cbulk in the bulk of the sheet, Cbulk being higher than Csurface, and with Cbulk higher than 0 and lower than 0.08 wt %, Csurface between 0 and 0.015 wt %, Al between 0.012 wt % and 0.07 wt %, Mn between 0.12 wt % and 0.45 wt % and O lower than 0.01 wt % and wherein the depth where the C-level reaches (Cbulk+Csurface)/2, is higher than 75 ?m.

Abstract: The present invention provides a steel sheet or part suitable for enamelling. The steel sheet or part is coated with a coating including polymer in which particles of non-oxide ceramic are homogeneously dispersed. A process for producing an enamelled steel sheet or part which has a reduced firing temperature and reduced time compared with conventional firing temperatures and times is also provided. An enamelled steel sheet or part are also provided.

Abstract: The present invention is related to a rolled steel sheet suitable for enamelling, said sheet having a carbon profile, defined by a gradient in the C-level from a level Csurface at at least one surface of the sheet, to a level Cbulk in the bulk of the sheet, Cbulk being higher than Csurface, and with: Cbulk higher than 0 and lower than or equal to 0.08 wt %, Csurface between 0 and 0.015 wt %, Al between 0.012 wt % and 0.07 wt %, Mn between 0.12 wt % and 0.45 wt %, O lower than 0.01 wt % and optionally: Cu between 0.025 wt % and 0.1 wt %, S between 0.008 wt % and 0.04 wt %, Ca between 0.0005 wt % and 0.005 wt %, the balance being Fe and incidental impurities, and wherein the depth where the C-level reaches Cbulk+Csurface)/2, is higher than 75 ?m. The invention is equally related to a method for producing said steel sheet.

Abstract: The invention relates to a steel sheet or part whose composition is suitable for enamelling, and which is coated with a coating consisting of a matrix of polymer in which particles of non-oxide ceramic are homogeneously dispersed. It also relates to the use of this coated steel sheet or part for producing an enamelled steel sheet or part, and to a process for producing an enamelled steel sheet or part allowing a decrease of firing temperature and time compared with conventional firing temperatures and times.