| Document |
Document Title |
|
WO/2021/255855A1 |
This steel sheet has a prescribed chemical composition, and is such that: a ratio Mn/Ni of Mn content to Ni content is at most 0.80; the carbon equivalent CeqWES is 0.43-0.70% (inclusive); the tensile strength is 780-930 MPa (inclusive);...
|
|
WO/2021/255858A1 |
A steel sheet according to the present invention contains predetermined chemical components, wherein: Mn/Ni, which is the ratio of Mn content to Ni content, is 0.80 or less; the carbon equivalent CeqWES is 0.430-0.900%; the tensile stren...
|
|
WO/2021/254719A1 |
A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.030%-0.10% C, 0%-1.10% Si, 0.50%-2.0% Mn, <0.020% P, <0.010% S,<0.010% N, 0%-0.60% Cr, 0%-0.20% Ni, 0%-0.25% Cu, 0%- ...
|
|
WO/2021/256590A1 |
The present invention provides a rebar comprising 0.07 to 0.43 wt% of carbon (C), 0.5 to 2.0 wt% of manganese (Mn), 0.05 to 0.5 wt% of silicon (Si), 0 (exclusive) to 0.5 wt% of chromium (Cr), 0 (exclusive) to 4.5 wt% of copper (Cu), 0 (e...
|
|
WO/2021/254610A1 |
According to the invention, to produce sheet steel products which are suitable for forming into sheet metal parts and can be welded well, a) a steel melt is melted, which consists of, in wt%, C: 0.10-0.4, Si: 0.05-0.5, Mn: 0.5-3.0, AI: 0...
|
|
WO/2021/254143A1 |
A high-strength ultra-corrosion-resistant non-magnetic stainless steel and a preparation method therefor, the composition of the non-magnetic stainless steel being the following in weight percentage: 17％
|
|
WO/2021/254768A1 |
The invention relates to a method for using swapping effects with the aim of increasing the voltage and/or limiting the voltage loss of preload elements from a shape memory alloy, wherein the preload element is fixed at the destination, ...
|
|
WO/2021/257608A1 |
Coated grain oriented electrical steel plates and methods of producing the same are provided. In an exemplary embodiment, a method includes producing molten steel with from about 2.5 to about 4 weight percent silicon, from about 0.005 to...
|
|
WO/2021/254722A1 |
A hot-rolled strip steel product having a chemical composition consisting of, in terms of weight percentages (wt. %): 0.025%-0.070% C, 0%-1.10% Si, 0.50%-2.0% Mn, <0.020% P, <0.050% S,<0.010% N, 0%-0.60% Cr, 0%-0.20% Ni, 0%-0.25% Cu, 0%-...
|
|
WO/2021/256587A1 |
A steel section according to an embodiment of the present invention comprises: 0.08-0.17 wt% of carbon (C); 0.50-1.60 wt% of manganese (Mn); 0.10-0.50 wt% of silicon (Si); 0.10-0.70 wt% of chromium (Cr); greater than 0 wt% and less than ...
|
|
WO/2021/255776A1 |
This steel wire for a spring is provided with a steel main body that has a linear shape, and an oxide layer that covers the outer peripheral surface of the main body. The steel constituting the main body contains 0.5%-0.7% by mass of C, ...
|
|
WO/2021/249446A1 |
Disclosed is an ultra-high-strength steel having excellent plasticity, comprising in mass percent the chemical elements: C: 0.26-0.30wt%; Si: 0.8-1.00wt%; Mn: 2.80-3.30wt%; Al: 0.04-0.08wt%; with the balance being Fe and other inevitable...
|
|
WO/2021/250450A1 |
The invention relates to a cold rolled and heat-treated steel sheet, the steel comprising, in weight percentage, 0.17% ≤ carbon ≤ 0.25%, 2% ≤ manganese ≤ 3%, 0.9% ≤ silicon ≤ 2%, 0% ≤ aluminum ≤0.09%, 0.01%≤ molybdenum ...
|
|
WO/2021/250953A1 |
Provided is a linear groove formation pattern by which both a building factor reduction effect and a high magnetic flux density are achieved. This grain-oriented electromagnetic steel sheet has, on a surface thereof, multiple linear groo...
|
|
WO/2021/249252A1 |
Disclosed is a steel rail that is resistant to chloride ion corrosion and a preparation method, which comprises the following according to weight percentage: C: 0.66％-0.76％, Si: 0.53％-0.73％, Mn: 0.9％-1.7％, P≤0.012％, S≤0...
|
|
WO/2021/238916A1 |
Disclosed in the present invention is an ultrahigh-strength dual-phase steel. The matrix structure of the ultrahigh-strength dual-phase steel is ferrite and martensite, wherein the ferrite and the martensite are evenly distributed in an ...
|
|
WO/2021/241606A1 |
The present invention provides a wear resistant steel sheet which has both excellent wear resistance and excellent bending workability over a wide width. A wear resistant steel sheet which has a predetermined component composition, where...
|
|
WO/2021/238915A1 |
Disclosed is an electro-galvanized super-strength dual-phase steel resistant to delayed cracking. A matrix structure thereof is ferrite + tempered martensite and the steel contains the following chemical elements in the following mass pe...
|
|
WO/2021/239057A1 |
Disclosed in the present invention is a thin-gauge oriented silicon steel plate having excellent manufacturability, which comprises the following chemical elements in percentage by mass: Si: 3.0-4.0%; C: 0.04-0.1%; Mn: 0.05-0.20%; S: 0.0...
|
|
WO/2021/241604A1 |
The present invention provides a wear resistant steel sheet which has both excellent wear resistance and excellent bending workability over a wide width. A wear resistant steel sheet which has a predetermined component composition, where...
|
|
WO/2021/239394A1 |
The present invention relates to a method for the recrystallisation annealing of a non-grain-oriented electric strip (2) in a continuous annealing and coating line (1), wherein the electric strip (2) is heated in an induction furnace (5)...
|
|
WO/2021/238917A1 |
Disclosed is a cold-rolled and annealed dual-phase steel having a tensile strength of greater than 780 MPa. A matrix structure thereof is fine and uniform martensite + ferrite. The cold-rolled and annealed dual-phase steel contains the f...
|
|
WO/2021/238895A1 |
Disclosed is a low-cost non-oriented electrical steel plate with an extremely low aluminum content, which plate comprises the following chemical elements in percentage by mass: C: ≤ 0.003%, Si: 0.1%-1.2%, Mn: 0.1%-0.4%, P: 0.01%-0.2%, ...
|
|
WO/2021/241605A1 |
The present invention provides a wear resistant steel sheet which has both excellent wear resistance and excellent bending workability over a wide width. A wear resistant steel sheet which has a predetermined component composition, where...
|
|
WO/2021/235498A1 |
The present invention presents a method that can, regardless of the properties of a steel sheet, prevent the kinking and/or crushing of the steel sheet which has been rolled up in a coil shape. The method is for determining the pattern...
|
|
WO/2021/235094A1 |
Provided is a grain-oriented electromagnetic steel sheet which has undergone a heat-resistant magnetic domain refinement treatment that makes it possible to effectively prevent the occurrence of carburizing or nitriding during strain rel...
|
|
WO/2021/233247A1 |
Disclosed in the present invention are cold-rolled enamel steel for deep drawing an inner container and a manufacturing method therefor. The cold-rolled enamel steel comprises the following chemical elements in percentage by mass: 0.02-0...
|
|
WO/2021/232275A1 |
A hot-work die steel and a preparation method therefor. The hot-work die steel has the following chemical composition in mass percent: 0.20-0.32 wt% of C, Si ≤0.5 wt%, Mn ≤0.5 wt%, 1.5-2.8 wt% of Cr, 1.5-2.5 wt% of Mo, 0.5-1.2 wt% of...
|
|
WO/2021/229933A1 |
To form a linear groove having a desired groove width on a metal strip surface and, as a result, provide a grain-oriented electromagnetic steel sheet having extremely exceptional magnetic characteristics. A groove formation method in whi...
|
|
WO/2021/227921A1 |
A high-strength anti-collapse oil casing and a manufacturing method therefor. The high-strength anti-collapse oil casing comprises the following chemical elements in percentage by mass: 0.08%-0.18% of C; 0.1%-0.4% of Si; 0.1%-0.28% of Mn...
|
|
WO/2021/223937A1 |
the invention relates to a method for the open-loop or closed-loop control of the temperature of a steel strip during hot working in a hot strip mill. A higher-level open-loop or closed-loop control involves a process model which predict...
|
|
WO/2021/224707A1 |
The present invention relates to a manufacturing method of a steel strip, a steel strip with controlled decarburized depth, a spot welded joint and the use of said steel strip or said spot welded joint. This invention is particularly wel...
|
|
WO/2021/223760A1 |
A High-strength high-temperature alloy for thermal power units and a processing technique therefor. The high-temperature alloy comprises the following components by mass percentage: 0.05 to 0.08% of C, 14 to 17％ of Cr, ≤ 0.5% of Mn, ...
|
|
WO/2021/224662A1 |
The present invention relates to a manufacturing method of a steel strip, a steel strip, a resistance spot welded joint and the use of said steel strip or said spot welded joint. This invention is particularly well suited for the automot...
|
|
WO/2021/223734A1 |
A high-strength-and-toughness and high-strength-ductility-product automobile steel and a preparation method therefor. The present invention belongs to the technical field of the manufacturing of high-strength-and-toughness and high-stren...
|
|
WO/2021/224423A1 |
The present disclosure relates to a new bainitic steel to be used for manufacturing a drill component, such as a drill rod, or in any other components wherein such steels are useful. The present disclosure further relates to a drill comp...
|
|
WO/2021/225103A1 |
Provided is a duplex stainless steel seamless pipe having high toughness and demonstrating excellent resistance to HISC. This duplex stainless steel seamless pipe has the chemical compositions disclosed in the specification and a microst...
|
|
WO/2021/223660A1 |
A process for smelting steel for an ultrafine carborundum wire, comprising: 1) in a vacuum induction furnace, using pure iron and low-phosphorus pig iron as raw materials to be melted into molten steel under the protection of argon; vacu...
|
|
WO/2021/224026A1 |
The invention relates to a method for producing a steel sheet for packaging - cold-rolling a hot-rolled steel sheet made from a steel having a carbon content (C) of 10 to 1000 ppm by weight, the steel of the hot-rolled steel sheet having...
|
|
WO/2021/219356A1 |
The invention relates to a method for retrofitting a thermal treatment facility, having at least the following steps: a) dividing a continuous furnace (2) into a first furnace (3) and a second furnace (4), b) arranging a temperature cont...
|
|
WO/2021/220912A1 |
Austenitic heat-resistant steel that has a chemical composition containing, in mass%, 0.04-0.12% of C, 0.01-0.30% of Si, 0.50-1.50% of Mn, 0.001-0.040% of P, less than 0.0050% of S, 2.2-3.8% of Cu, 8.0-11.0% of Ni, 17.7-19.3% of Cr, 0.01...
|
|
WO/2021/220913A1 |
This method is for manufacturing austenitic heat-resistant steel in which a difference between the content of Nb and the amount of Nb analyzed as an electrolytic extraction residue satisfies [0.170≤Nb-NbER≤0.480]. The method for manu...
|
|
WO/2021/221003A1 |
An alloy material which contains elements including, in mass%, from 0.010% to 0.10% of C, more than 0.10% but not more than 0.50% of Si, from 0.05% to 0.50% of Mn, from 34.5% to 37.0% of Ni, from 0.001% to 1.0% of Nb, while satisfying (T...
|
|
WO/2021/221245A1 |
Disclosed are ferrite-based stainless steel having improved surface characteristics and a method for manufacturing same. The ferrite-based stainless steel according to the present invention comprises, in % by weight: 0.001 to 0.05% of C;...
|
|
WO/2021/221246A1 |
Disclosed are a ferritic stainless steel having improved corrosion resistance, and a method for manufacturing same. A ferritic stainless steel according to one embodiment of the present invention, comprises: 0.001 to 0.05 wt% of C; 0.001...
|
|
WO/2021/218932A1 |
Disclosed is a high strength, high-temperature corrosion resistant martensitic stainless steel, characterized by comprising the following chemical elements in percentages by mass: 0＜C≤0.05%, 0.1-0.2% of Si, 0.20-1.0% of Mn, 11.0-14.0...
|
|
WO/2021/218933A1 |
Disclosed is an economical low-yield ratio and high-strength steel, containing the following chemical elements in percentage by mass: 0.045 to 0.080％ of C, 0.10 to 0.30％ of Si, 1.60 to 1.85％ of Mn, 0.15 to 0.30％ of Cr, 0.06 to 0....
|
|
WO/2021/215630A1 |
The present specification discloses low-cost austenitic stainless steel having high strength and high formability, and a method for manufacturing same. According to an embodiment of the disclosed low-cost austenitic stainless steel havin...
|
|
WO/2021/213647A1 |
The invention relates to a hot-rolled flat steel product of a thickness of < 1.5 mm which has optimized mechanical properties and is particularly suitable for application of a Zn-based corrosion protection layer by hot-dip coating. For t...
|
|
WO/2021/214538A1 |
Method for producing steel wire rod of round cross-section in the process of hot rolling is disclosed, wherein the charge heating up stage in the heating furnace is performed at the maximum temperature within the range of 1080 - 1100°C,...
|
