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WO/2022/184565A1 |
The invention relates to a method for producing a semi-finished product with a modified surface, comprising at least one method step of modifying, at least in regions, the surface of a coated, skin-passed, oiled, cleaned metal steel subs...
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WO/2022/184580A1 |
The invention relates to a correspondingly cold-rolled flat steel product having a ferritic primary structure and a high tensile strength Rm, a high elongation at break A50 and a high hole widening ratio λ, and to a method for its produ...
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WO/2022/184545A1 |
The invention relates to a hot-dip coated steel substrate which is in the form of a strip or sheet and has a zinc-based metal coating and a modified surface, and to a method for producing a semi-finished product having a modified surface...
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WO/2022/185092A1 |
The invention relates to an iron-nickel alloy having the following composition in percent by weight: 36.5% ≤ Ni ≤ 38.5%; 0.50% ≤ Mn ≤ 1.25%; 0.001% ≤ Cu ≤ 0.85%; 0.040% ≤ C ≤ 0.150%; 0.10% ≤ Si ≤ 0.35%, the remainder ...
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WO/2022/184695A1 |
The invention relates to an iron-nickel alloy having the following composition in percent by weight: 36.5% ≤ Ni ≤ 38.5%; 0.50% ≤ Mn ≤ 1.25%; 0.001% ≤ Cu ≤ 0.85%; 0.040% ≤ C ≤ 0.150%; 0.10% ≤ Si ≤ 0.35%, the remainder ...
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WO/2022/184087A1 |
Disclosed is a cold forged gear steel. In addition to Fe and inevitable impurities, the cold forged gear steel further comprises the following chemical elements in percentage by mass: 0.15-0.17% of C, 0.10-0.20% of Si, 1.0-1.10% of Mn, 0...
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WO/2022/185632A1 |
Provided is an H-shaped steel having an excellent coating durability and strength-toughness balance. The H-shaped steel has: a composition containing, by mass, 0.05 to 0.20% of C, 0.05 to 1.00% of Si, 0.50 to 2.00% of Mn, 0.003 to 0.03...
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WO/2022/186300A1 |
Provided is a method for producing a grain-oriented electrical steel sheet, which exhibits excellent magnetic properties compared to the prior art, by highly controlling the texture of a primary recrystallized sheet while proactively usi...
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WO/2022/184811A1 |
The invention relates to a cold-rolled flat steel product, wherein the steel substrate thereof has a tensile strength of 750-940 MPa, a high strength, an improved weldability and optimized shaping properties and, at the same time, can be...
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WO/2022/186097A1 |
Provided is a TIG welding joint for a high Mn-containing steel material, in which the generation of high temperature cracks during welding is suppressed and which has high strength and excellent impact toughness at extremely low temperat...
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WO/2022/186357A1 |
The present invention proposes a method which is for determining finish annealing conditions for an oriented electromagnetic steel sheet, and by which a high-quality oriented electromagnetic steel sheet, which meets strict quality requir...
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WO/2022/186299A1 |
The purpose of the present invention is to provide a method for manufacturing a directional electromagnetic steel sheet that expresses electromagnetic properties that are superior compared to prior art, by highly controlling a primary re...
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WO/2022/181164A1 |
The purpose of the present invention is to provide: a high-strength stainless steel seamless pipe for an oil well; and a method for producing same. The high-strength stainless seamless steel pipe for an oil well according to the present ...
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WO/2022/179595A1 |
The present disclosure provides a bainite geological drilling pipe, comprising the following chemical elements in percentage by mass: 0.14-0.22% of C, 0.2-0.55% of Si, 2.1-2.9% of Mn, 0.01-0.04% of Nb, 0.015-0.04% of Al, 0.001-0.005% of ...
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WO/2022/179560A1 |
A steel plate for high-temperature equipment. The steel plate comprises the following chemical elements in percentage by mass: 0.09% to 0.19% of C, 0.2% to 0.7% of Mn, 0.008% to 0.02% of Ti, 1.80% to 3.2% of Cr, 0.80% to 1.70% of Mo, 0.0...
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WO/2022/179168A1 |
Disclosed are a microalloyed high-toughness low-density steel and a preparation method therefor. One or more of the following microalloyed elements including V, Nb, Ti and Mo are distributed in an iron-based austenite microstructure of a...
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WO/2022/180146A1 |
It is an object of the present invention to provide a high-strength hot-rolled flat steel product and a method of producing such a flat steel product, and hence to achieve, based on the steel, a combination of high strength with simultan...
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WO/2022/181272A1 |
Cold-workable mechanical structural steel comprising C: 0.30-0.45 mass%, Si: 0.10-0.40 mass%, Mn: 0.50-1.00 mass%, P: 0.050 mass% or less, S: 0.050 mass% or less, Cr: 0.80-1.30 mass%, Al: 0.01-0.10 mass%, the balance being iron and unavo...
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WO/2022/176933A1 |
The chemical composition of a base material of this non-oriented electromagnetic steel sheet is, by mass%, 0–0.0050% C, 3.8–4.9% Si, 0.05–1.20% Mn, more than 0.02% and 0.50% or less sol. Al, 0–0.030% P, 0–0.0030% S, 0–0.0030%...
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WO/2022/176707A1 |
A martensitic stainless steel plate for a brake disk rotor, the plate being characterized by including prescribed components and having a precipitate with a particle diameter of 2 µm or less present in the parent phase at a density of 0...
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WO/2022/176154A1 |
In this hot-rolled steel sheet for a non-oriented electromagnetic steel sheet, the Vickers hardness of a sheet width end part is not less than 180 Hv and a value obtained by subtracting the Vickers hardness of a sheet width center part f...
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WO/2022/176158A1 |
This hot-pressed steel sheet for a non-oriented electromagnetic steel sheet contains Si, Mn, Al, Ti, Nb, V and Zr in prescribed amounts as the chemical composition, and, viewed in a cut section parallel to the rolling direction and the p...
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WO/2022/174530A1 |
Disclosed in the present invention are free-cutting and non-quenched and tempered steel and a manufacturing method therefor. The cracking and deterioration of mechanical properties of a rolled material caused by sulfide are mitigated by ...
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WO/2022/173159A1 |
The present invention relates to a method for manufacturing a non-oriented electrical steel sheet, and a non-oriented electrical steel sheet manufactured thereby, and the method for manufacturing a non-oriented electrical steel sheet, ac...
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WO/2022/171112A1 |
Disclosed is a hot-rolled steel plate for low-cost high temperature enameling. In addition to Fe and unavoidable impurities, said plate further contains the following chemical elements having the mass percentages below: C: 0.03-0.12%, Si...
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WO/2022/166038A1 |
The present invention relates to the technical field of steels for use in fasteners. Disclosed are a hot rolled high strength steel long-shank bolt and a manufacturing method therefor. The hot rolled high strength steel long-shank bolt o...
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WO/2022/167424A1 |
The invention relates to a continuous annealer (1) for wire, for annealing and recrystalising a wire (12) in a continuous process. The continuous annealer (1) for wire comprises: two contact discs (2, 3) for contacting a first wire porti...
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WO/2022/166155A1 |
Container crane wheel steel, a wheel and a preparation method therefor. By means of designing chemical components of the container crane wheel steel and adding a post-forging preparatory heat treatment between forging forming and rough m...
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WO/2022/168887A1 |
The present invention provides a grain-oriented electromagnetic steel sheet production method whereby greater purity of an inhibitor-enhancing element can be promoted by improvement of an annealing separator and, as a result, iron loss c...
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WO/2022/168686A1 |
Provided are a steel material and a method for producing the same, and a tank and a method for producing the same. A steel material according to the present invention contains, in terms of mass%, 0.200%-0.700% C, 0.05%-1.00% Si, 20.0%-40...
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WO/2022/167847A1 |
The present disclosure discloses a method for producing high strength hot rolled steel. The method includes casting a steel slab of a composition, comprising in weight%: carbon (C) of about 0.45 wt.% – 1.2 wt.%, manganese (Mn) of about...
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WO/2022/165413A1 |
Provided herein are methods of transforming a first carbon material into a second carbon material, and uses thereof.
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WO/2022/162824A1 |
Provided is a steel material having excellent SSC resistance. A steel material according to the present disclosure has a chemical composition comprising, in terms of mass%: at most 0.035% of C; at most 1.00% of Si; at most 1.00% of Mn; a...
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WO/2022/161180A1 |
The present invention relates to steel for a ball cage-type universal joint cage and a production method therefor, relating to the technical field of special steel smelting. The chemical composition of the steel in wt% is C: 0.10-0.25%, ...
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WO/2022/160536A1 |
The present invention relates to steel for inner raceway of a constant velocity universal joint and a production method therefor. The steel comprises the following chemical components in percentage by weight (wt%): 0.15-0.25% of C, 0.01-...
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WO/2022/160720A1 |
The present invention belongs to the technical field of special steel smelting, and relates to a steel for a ball-cage type universal joint retainer and a production method therefor. The steel comprises the following chemical ingredients...
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WO/2022/163723A1 |
The present invention provides a method for manufacturing a directional electromagnetic steel sheet with which it is possible to manufacture, in a stable manner, a low-iron-loss directional electromagnetic steel sheet with little variati...
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WO/2022/161048A1 |
The present application belongs to the field of electrical steel fabrication, and provides a strongly magnetic oriented high-silicon steel ultrathin strip and a preparation method therefor. The strongly magnetic oriented high-silicon ste...
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WO/2022/157212A1 |
The invention relates to a method for producing a component from a blank made of a medium manganese steel having 4 to 12 wt.% Mn and a TRIP effect at room temperature, in which method the blank is mechanically cut to make a prepared blan...
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WO/2022/158541A1 |
Proposed is a method for stably producing a grain-oriented electrical steel sheet having excellent magnetic properties by effectively purifying inhibitors. This method for producing a grain-oriented electrical steel sheet uses a steel sl...
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WO/2022/153605A1 |
Provided is a grain-oriented electrical steel sheet that takes advantage of a core loss reduction effect due to formation of grooves and that can effectively inhibit a reduction in magnetic flux density. This grain-oriented electrical st...
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WO/2022/151603A1 |
Disclosed in the present invention are a 400 MPa-grade corrosion-resistant steel bar and a production method therefor. The steel bar comprises the following chemical components: chromium: 9.5-10.4%, molybdenum: 1.0-1.2%, manganese: 0.3-0...
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WO/2022/153927A1 |
With respect to this hot-rolled steel sheet, the metal structure contains, in an area ratio, a total of 90% or more of at least one of martensite and tempered martensite, and a total of 10% or less of at least one of ferrite, bainite and...
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WO/2022/152158A1 |
Disclosed is a high-strength and toughness free-cutting non-quenched and tempered round steel having the following chemical elements by mass percentage: C: 0.36-0.45%, Si: 0.20-0.70%, Mn: 1.25-1.85%, Cr: 0.15-0.55%, Ni: 0.10-0.25%, Mo: 0...
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WO/2022/148003A1 |
The present invention relates to the technical field of steel production. Disclosed are a 13MnNi6 steel for a cryogenic liquid hydrocarbon storage tank and a manufacturing method therefor. The 13MnNi6 steel for a cryogenic liquid hydroca...
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WO/2022/148468A1 |
A manufacturing method for a low-magnetostrictive oriented silicon steel. The oriented silicon steel comprises a silicon steel substrate and an insulating coating on the surface of the silicon steel substrate. The manufacturing method co...
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WO/2022/149365A1 |
According to the present invention, a steel sheet pile having high strength and high toughness is stably provided with high productivity. The steel sheet pile has a predetermined component composition and has a structure composed mainly ...
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WO/2022/145067A1 |
Provided is a steel material with a predetermined chemical composition satisfying 0.40[Pr] + 0.37[Sm] + 0.37[Eu] + 0.36[Gd] + 0.35[Tb] + 0.34[Dy] + 0.34[Ho] + 0.33[Er] + 0.33[Tm] + 0.32[Yb] + 0.32[Lu] + 1.24[Sc] - 2.33[O] - 3.99[N] - 1.7...
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WO/2022/145062A1 |
Provided is a steel material having a prescribed chemical composition that satisfies 0.40[Pr]+0.37[Sm]+0.37[Eu]+0.36[Gd]+0.35[Tb]+0.34[Dy]+0.34[H
o]+0.33[Er]+0.33[Tm]+0.32[Yb]+0.32[Lu]+1.24[Sc]-2.33[O]-3.99
[N]-1.74[S]≧0.0003 (in the f...
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WO/2022/145071A1 |
Provided is a steel material having a predetermined chemical composition satisfying 0.61[Zr]+0.31[Hf]-1.75[O]-3.99[N]-1.74[S]≥0.0003 (in the expression, [Zr], [Hf], [O], [N], and [S] are each the content [mass%] of an element), the ste...
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