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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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WO/2022/145924A1 |
According to an aspect of the present invention, provided is a method for manufacturing a hot-stamped component of which the residual stress analysis value satisfies a preset condition, the method comprising the steps of: heating a blank...
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WO/2022/145857A1 |
The present invention provides a dent-resistant cold-rolled steel sheet having excellent dent-resistance properties. According to one embodiment of the present invention, the dent-resistant cold-rolled steel sheet comprises, by weight, c...
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WO/2022/145065A1 |
Provided is a steel material that has a specific chemical composition satisfying 0.61 [Zr] + 0.31 [Hf] − 1.75 [O] − 3.99 [N] − 1.74 [S] ≥ 0.0003 (where [Zr], [Hf], [O], [N], and [S] are the contents [mass%] of the respective elem...
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WO/2022/145070A1 |
Provided is a steel material that has a specific chemical composition satisfying 0.40 [La] + 0.40 [Ce] + 0.39 [Nd] + 0.63 [Y] − 2.33 [O] − 1.74 [S] − 1.80 [P] ≥ 0.0003 (where [La], [Ce], [Nd], [Y], [O], [S], and [P] are the conte...
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WO/2022/146334A1 |
The present invention relates to a heat treatment method in which austempered materials with high surface hardness can be produced.
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WO/2022/136689A1 |
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of (in wt. %) 0.08 - 0.28 C, 1.4 - 4.5 Mn, 0.01 - 0.5 Cr, 0.01 - 2.5 Si, 0.01 – 2.0 Al. The steel having a tensile strength of 950 – 1550 MPa, a yield strength of 350...
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WO/2022/139353A1 |
A method for manufacturing a grain oriented electrical steel sheet according to an embodiment of the present invention comprises the steps of: hot-rolling a slab to prepare a hot-rolled sheet, the slab containing, in weight%, Si: 2.5-4.0...
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WO/2022/139191A1 |
The present invention relates to a highly thick steel material and a manufacturing method therefor and, more specifically, to a highly thick steel material that exhibits excellent low-temperature impact toughness after long-term PWHT alt...
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WO/2022/139354A1 |
A grain-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 2.0-4.0% of Si, 0.04-0.2% of Mn, 0.010% or less of N (excluding 0%), 0.005% or less of C (excluding 0%), 0.03-0.08% of Sn and...
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WO/2022/139400A1 |
The present invention provides an ultra high strength cold rolled steel sheet having excellent spot weldability and formability. The ultra high strength cold rolled steel sheet, according to one embodiment of the present invention, compr...
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WO/2022/139135A1 |
Provided in the present specification is an ultra-thick steel sheet with excellent strength and low-temperature impact toughness, and a manufacturing method therefor. Disclosed are an ultra-thick steel sheet with excellent strength and l...
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WO/2022/139355A1 |
A steel sheet with excellent phosphatability, according to one embodiment of the present invention, comprises, by wt%, 0.02-0.06% of carbon (C), 0.01% or less of silicon (Si) (excluding 0%), 0.1-0.24% of manganese (Mn), 0.02% or less of ...
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WO/2022/139466A1 |
The present invention relates to a copper-nickel-silicon-manganese alloy comprising a G-phase and a manufacturing method therefor. More specifically, the present invention relates to a copper-nickel-silicon-manganese alloy and a manufact...
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WO/2022/139250A1 |
According to one aspect of the present invention, a high-strength hot-dip galvanized steel sheet having an excellent surface quality and spot weldability, and a manufacturing method therefor may be provided.
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WO/2022/139275A1 |
An austenitic stainless steel with improved corrosion resistance and machinability is disclosed. The austenitic stainless steel with improved corrosion resistance and machinability according to the present invention comprises, by weight%...
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WO/2022/140093A1 |
An example track shoe (118), cutting edge (120), or other component of a machine (100) is formed in a heated process, such as hot-rolling followed by air-hardening. The air-hardening process involves cooling the component by flowing air ...
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WO/2022/139282A1 |
One embodiment of the present invention provides: a high toughness high carbon cold rolled steel sheet having excellent formability comprising, by weight%, C: 0.80% to 1.25%, Mn: 0.2% to 0.6%, Si: 0.01% to 0.4%, P: 0.005% to 0.02%, S: 0....
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WO/2022/137697A1 |
This case hardened steel is for warm forging at a forging temperature of 850-1100°C. The case hardened steel contains 0.15-0.23% of C, 0.60-0.95% of Si, 0.60-1.20% of Mn, 0.035% or less of P, 0.035% or less of S, 1.50% or less (but excl...
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WO/2022/139205A1 |
Provided are steel having excellent laser cutting properties and a method of manufacturing same. The steel of the present invention having excellent laser cutting properties comprises, by weight %, 0.15-0.30% of carbon (C), 0.1-0.5% of s...
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WO/2022/139252A1 |
According to one aspect of the present invention, provided are a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and a manufacturing method therefor.
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WO/2022/139204A1 |
According to an aspect of the present invention, an extremely thick steel plate for steam drum having excellent surface quality and lamellar tear resistance and a manufacturing method therefor may be provided.
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WO/2022/139335A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 2.0 to 3.8% of S1, 0.1 to 2.5% of Al, 0.1 to 2.5% of Mn, 0.01 to 0.08% of Mo, 0.0010 to 0.0050% of Ti, 0.0010 to 0.0050% of Nb,...
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WO/2022/139337A1 |
A non-oriented electrical steel sheet, according to one embodiment of the present invention, comprises, by weight%, Si: 3.0% to 4.0%, Al: 0.3% to 1.5%, Mn: 0.1% to 0.6%, at least one from among Sn and Sb: 0.006% to 0.1%, C: 0.0015% to 0....
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WO/2022/139334A1 |
A grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises: linear grooves formed on one surface or both surfaces of the electrical steel sheet in the direction (X1 direction) crossing a roll...
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WO/2022/139352A1 |
A method for manufacturing a grain-oriented electrical steel sheet, according to one embodiment of the present invention, comprises the steps of: manufacturing a hot rolled sheet by hot rolling a slab comprising, by wt%, 2.5-4.0% of Si, ...
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WO/2022/139567A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%, 0.005% or less of C (excluding 0%), 1.2-2.7% of Si, 0.4-2.0% of Mn, 0.005% or less of S (excluding 0%), 0.3% or less of Al (exc...
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