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Matches 751 - 800 out of 26,493

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2022/146334A1
The present invention relates to a heat treatment method in which austempered materials with high surface hardness can be produced.  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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.  
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%...  
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 ...  
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....  
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...  
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...  
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.  
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.  
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,...  
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....  
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...  
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, ...  
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...  
WO/2022/139190A1
The present invention relates to an ultra-high-strength steel sheet and a manufacturing method therefor, and, more specifically, to: a steel sheet having excellent thermal stability to have a high yield ratio and ultra-high strength even...  
WO/2022/136684A1
The invention relates to a cold roll strip or sheet comprising in (wt%): C 0.12 - 0.20; Mn 1.9 - 2.6; Cr 0.15 - 0.3; Si 0.3 - 0.8; Al 0.8 - 1.2; Mn + Cr 1.8 - 5; Nb ≤ 0.008; Ti ≤ 0.02; Mo ≤ 0.08; Ca ≤ 0.005; V ≤ 0.02; and balan...  
WO/2022/139309A1
A steel sheet with excellent processability according to an embodiment of the present invention comprises, by weight%, 0.012 to 0.060% of C; 0.03% or less (exclusive of 0%) of Si; 0.1 to 0.4% of Mn; 0.015 to 0.050% of Al; 0.015% or less ...  
WO/2022/139359A1
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises: 3.3 to 4.0 weight% of Si; 0.4 to 1.5 weight% of Al; 0.2 to 1.0 weight% of Mn; 0.0015 to 0.0040 weight% of C; 0.0005 to 0.0020 weight% o...  
WO/2022/139278A1
Provided are a QT heat treated high carbon hot rolled steel sheet, a high carbon cold rolled steel sheet, a QT heat treated high carbon cold rolled steel sheet, and manufacturing methods thereof, wherein the QT heat treated high carbon h...  
WO/2022/136683A1
The invention relates to a cold roll strip or sheet comprising in (wt%) C 0.08 - 0.28; Mn 1.4 - 4.5; Cr 0.01 - 0.5; Si 0.01 - 2.5; Al 0.01 - 0.6; Si + Al ≥ 0.1; Si + Al + Cr ≥ 0.4; Nb ≤ 0.008; Ti ≤ 0.02; Mo ≤ 0.08; Ca ≤ 0.005...  
WO/2022/139369A1
In an embodiment of the present invention, disclosed is a member for an automobile structure including a base steel plate and a plating layer covering at least one surface of the base steel plate, the member having the tensile strength o...  
WO/2022/139313A1
A steel sheet for porcelain enamel according to an embodiment of the present invention comprises 0.0005 to 0.0030 wt% of C, 0.15 to 0.55 wt% of Mn, 0.001 to 0.03 wt% of S, 0.0001 to 0.002 wt% of Al, 0.001 to 0.020 wt% of P, 0.001 to 0.03...  
WO/2022/139314A1
The present invention can provide a non-oriented electrical steel sheet which comprises 2.10 to 3.80 wt% of Si, 0.001 to 0.600 wt% of Mn, 0.001 to 0.600 wt% of Al, 0.001 to 0.100 wt% of P, 0.0005 to 0.0100 wt% of C, 0.001 to 0.010 wt% of...  
WO/2022/139251A1
According to one aspect of the present invention, provided are a high strength zinc-plated steel sheet having excellent uniform spot weldability along the width direction, and a manufacturing method thereof.  
WO/2022/136686A1
A zinc or zinc-alloy coated rolled steel strip or sheet comprising of 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 tensile strength of 950 – 1550 MPa, yield strength of 350-1400 MPa, yiel...  
WO/2022/139214A1
Disclosed is a martensitic stainless steel with improved strength and corrosion resistance. The disclosed martensitic stainless hot-rolled annealed steel sheet comprises, in weight%, C: 0.3-0.5%, N: 0.01-0.025%, Si: 0.3-0.5%, Mn: 0.4-0.6...  

Matches 751 - 800 out of 26,493