Document |
Document Title |
WO/2023/093111A1 |
The present invention relates to the technical field of metal processing, and in particular to high Cr-Si alloyed coating-free hot forming steel and a hot rolling preparation method therefor. For the problems existing in the prior art th...
|
WO/2023/096453A1 |
The present invention relates to an ultra-high strength cold-rolled steel sheet and a manufacturing method thereof and, more specifically, to a cold-rolled steel sheet and a manufacturing method thereof, wherein the cold-rolled steel she...
|
WO/2023/095637A1 |
In a process for using a thin slab, the present invention suppresses ridging, which becomes a problem when handling steel containing a large amount of the alloy elements Si, Al, and Mn. Provided is a method for producing a hot-rolled ste...
|
WO/2023/096150A1 |
The present invention relates to: a copper alloy which is for a vehicle or an electric/electronic component, and has high strength, high electric conductivity, and excellent bendability; and a method for producing same.
|
WO/2023/093802A1 |
An oil cylinder steel pipe and a manufacturing method therefor. In addition to 90 wt% or more of Fe and inevitable impurities, the oil cylinder steel pipe further comprises the following chemical elements in percentage by weight (wt%): C...
|
WO/2023/094856A1 |
The present invention relates to a steel sheet containing manganese from 3.0 to 6.0 % in weight which has both a good coatability by liquid zinc and a good LME resistance. The present invention also aims to make available an easy to impl...
|
WO/2023/094909A1 |
The present invention relates to a steel sheet containing manganese from 3.0 to 6.0 % in weight which has both a good coatability by liquid zinc and a good LME resistance. The present invention also aims to make available an easy to impl...
|
WO/2023/092565A1 |
Disclosed are a 35WD1600 electrical steel for a new energy vehicle drive motor and a production method therefor. The present invention relates to the technical field of production of electrical steels for new energy vehicle drive motors,...
|
WO/2023/097287A2 |
A method of making high strength steel sheet with a tensile strength of 800 to 1000 MPa and a hole expansion ratio of at least 50%, comprising the steps of reheating a previously cast slab, or retaining the heat from a directly cast slab...
|
WO/2023/096398A1 |
The present invention relates to a steel plate for use in ships and the like, which has excellent toughness in a heat affected zone (HAZ) formed by welding, and to a method for manufacturing same.
|
WO/2023/090424A1 |
This rotary electric machine comprises a stator, a rotor, and a casing that houses the stator and the rotor. A, which is the {111}<211> orientation intensity of a base steel sheet of a non-oriented electrical steel sheet included in ...
|
WO/2023/090634A1 |
The present invention relates to an aluminum alloy conductor with high heat resistance for power transmission lines and a method for producing same, and the aluminum alloy conductor for power transmission lines according to an embodiment...
|
WO/2023/090751A1 |
The present invention relates to a high-strength steel plate and a manufacturing method therefor and, more specifically, to a high-strength steel plate having excellent impact resistance after cold forming and having a high-yield ratio, ...
|
WO/2023/090897A1 |
The present invention pertains to: a hot-rolled steel plate; a steel tube; and methods for manufacturing the steel plate and steel tube. More specifically, the present invention pertains to: a high manganese hot-rolled steel plate having...
|
WO/2023/087833A1 |
Disclosed in the present invention is a type of steel. Apart from 90% or more by mass of Fe and inevitable impurities, the steel further contains the following chemical elements in percentages by mass: C: 0.22-0.33%, Si: 0.1-1.0%, Mn: 0....
|
WO/2023/090736A1 |
The present invention relates to a cold rolled steel sheet and a manufacturing method therefor, and, more specifically, to a cold rolled steel sheet and a manufacturing method therefor, the cold rolled steel sheet having excellent streng...
|
WO/2023/087352A1 |
Provided in the present invention are a high-plasticity thermoformed steel having oxidation resistance for an automobile and a thermoforming process. The mass percentages of the chemical components of the thermoformed steel are as follow...
|
WO/2023/090670A1 |
Disclosed in the present specification are: a ferritic stainless steel having improved corrosion resistance and magnetic properties by having an optimized manufacturing process and alloy components; and a manufacturing method therefor. T...
|
WO/2023/089951A1 |
Provided is a thick steel sheet that has excellent internal quality properties and high strength, and can be manufactured at a low cost without requiring special equipment. The thick steel sheet has a prescribed component composition and...
|
WO/2023/089012A1 |
The invention relates to a method for producing a hot strip from a fine-grained steel material having a thickness of dWB ≤ 1.75 mm and an average ferrite grain size of gs ≤ 5 μm. A previously necessary heat treatment of the hot stri...
|
WO/2023/089950A1 |
Provided is a thick steel sheet that has excellent internal quality properties and can be manufactured at a low cost without requiring special equipment. The thick steel sheet has a prescribed component composition, and the area ratio of...
|
WO/2023/087882A1 |
The present invention relates to the technical field of steel production. Disclosed are a rare earth-containing NM600 wear-resistant steel plate and a preparation method therefor. The wear-resistant steel plate comprises the following ch...
|
WO/2023/087999A1 |
The present invention relates to the technical field of steel production. Disclosed are a plate for a thick-wall large-diameter grade X80M hot bending pipe and a manufacturing method therefor. The chemical components and the mass percent...
|
WO/2023/090138A1 |
The purpose is to provide, by utilization of primary recrystallization, control of the new crystal texture, and control of grain size, a non-oriented electrical steel sheet that not only has low low-frequency iron losses, but also low hi...
|
WO/2023/090984A1 |
The present invention relates to a medium entropy alloy having excellent mechanical properties at low temperatures and a method for manufacturing the medium entropy alloy. The alloy according to an embodiment of the present invention com...
|
WO/2023/090735A1 |
An embodiment of the present invention provides a hot-rolled steel sheet comprising, by wt%, 0.06-0.12% of C, 0.004-0.4% of Si, 0.8-2.0% of Mn, 0.01-0.05% of Al, 0.05-1.0% of Cr, 0.001-0.3% of Mo, 0.001-0.05% of P, 0.001-0.005% of S, 0.0...
|
WO/2023/088294A1 |
Disclosed is a hot-rolled steel for enameling having an enameling and firing strengthening property, comprising, in addition to Fe and inevitable impurities, the following chemical elements in mass percent: C: 0.03-0.07%, Si≤0.05%, Mn:...
|
WO/2023/087883A1 |
A wide and heavy steel plate having ultrahigh strength and containing rare earth and a preparation method therefor, which relate to the technical field of steel production. The steel plate comprises the following chemical components in p...
|
WO/2023/083898A1 |
A hot-rolled steel strip product having a tensile strength (Rm) above 1400 MPa and a microstructure comprising at least 90 % by volume of martensite. The steel has a composition comprising, in percent by weight (wt.-%): C 0.20 – 0.26, ...
|
WO/2023/084756A1 |
The present invention provides a technology that achieves high levels of both magnetic properties and machinability, which could not be achieved only with conventional machinability-improving technology that utilizes MnS, etc. This soft ...
|
WO/2023/085141A1 |
The present invention achieves both high yield strength and excellent pitting corrosion resistance on the inner surface. A martensitic stainless steel seamless pipe according to the present disclosure has a chemical composition described...
|
WO/2023/084819A1 |
Provided is a steel material having excellent cold workability and achieving both of magnetic properties and machinability at high levels. An electromagnetic soft iron bar steel that is the steel material has a component composition comp...
|
WO/2023/083679A1 |
The invention relates to a method for producing a steel sheet for packages, comprising a two-layer recrystallization structure. The method has the following steps: • providing a cold-rolled steel sheet made of a steel with a carbon con...
|
WO/2023/079344A1 |
Steel sheet suitable for a multistep hot stamping process and associated manufacturing process, said steel sheet having a composition comprising, by weight percent: C : 0.13 - 0.4 %, Mn : 0.4 – 4.2 %, Si : 0.1 – 2.5%, Cr ≤ 2 %, Mo ...
|
WO/2023/077838A1 |
A medium-strength steel rail. The weight percentages of the chemical components of the medium-strength steel rail are: 0.70-0.90% of carbon, 0.08-0.65% of silicon, 0.69-1.31% of manganese, 0.10-0.25% of chromium, less than or equal to 0....
|
WO/2023/080135A1 |
A welded rail according to an embodiment of the present invention, which has excellent fatigue damage resistance and breakage resistance at a weld joint part, comprises multiple rail parts and a weld joint part where the rail parts are j...
|
WO/2023/078299A1 |
Disclosed in the present invention is high-strength and high-hardness reinforced wear-resistant steel, comprising Fe and inevitable impurities, and further comprising the following chemical elements in percentage by mass: C: 0.22-0.33%; ...
|
WO/2023/079836A1 |
In the present invention, when manufacturing a non-oriented electromagnetic steel plate by hot rolling a steel material containing C, Si, Mn, and Al in prescribed amounts, performing hot-rolled plate annealing, cold rolling, and cold-rol...
|
WO/2023/080632A1 |
The present invention relates to a high-strength steel sheet used for a vehicle structure member and, more specifically, to a high-strength steel sheet having excellent crashworthiness and formability and a method for manufacturing same.
|
WO/2023/079454A1 |
Steel sheet suitable for a multistep hot stamping process and associated manufacturing process, said steel sheet having a composition comprising, by weight percent: C : 0.13 - 0.4 %, Mn : 0.4 – 4.2 %, Si : 0.1 – 2.5%, Cr ≤ 2 %, Mo ...
|
WO/2023/079922A1 |
Provided is an annealing facility in which a steel sheet that has been cold-rolled is subjected to continuous finish annealing by passing the steel sheet through an annealing furnace having at least a first zone, a second zone and a thir...
|
WO/2023/075660A1 |
A flat wire (3) and a saw blade (1) obtainable from the flat wire (3) are disclosed. The flat wire (3) is made of a steel comprising 0.45 - 0.70 wt.-% of C, 1.2 - 2.5 wt.-% of Si, 0.2 - 1.1 wt.-% of Mn, 0.5 - 1.4 wt.-% of Cr, 0.05 - 0.40...
|
WO/2023/071299A1 |
The present invention relates to the technical field of iron and steel production. Disclosed are steel for a steel cord having a tensile strength greater than or equal to 4,000 MPa and a production method. The steel comprises the followi...
|
WO/2023/073406A1 |
A hot rolled steel sheet having a composition comprising of 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...
|
WO/2023/074467A1 |
A hot-rolled steel strip annealing method is provided that can control with high accuracy the steel strip temperature on the heating zone exit side, and more specifically, the steel strip temperature on the soaking furnace exit side, in ...
|
WO/2023/075283A1 |
The present invention relates to a ferritic stainless steel with excellent clad sheet workability, comprising, by wt%, 0.0005-0.02% of C, 0.005-0.02% of N, 0.01-1.0% of Si, 0.01-1.0% of Mn, 0.001-0.05% of P, 10.0-25.0% of Cr, 0.01-0.5% o...
|
WO/2023/073410A1 |
The invention deals with a cold rolled and heat treated steel sheet comprising in weight percent: 0.2 % ≦ C ≦ 0.35 %; 0.5 % ≦ Mn ≦ 1.5 %; 0.1% ≦ Si ≦ 0.6 %; 0% ≦ Al ≦ 0.1 %; 0.01% ≦ Ti ≦ 0.1%; 0.0001% ≦ B ≦ 0.010%...
|
WO/2023/070982A1 |
Disclosed in the present invention are a non-oriented silicon steel for a new energy drive motor, and a production method therefor. The silicon steel is prepared by means of steelmaking, continuous casting, hot rolling, normalizing, acid...
|
WO/2023/075391A1 |
The present invention pertains to a hot-rolled ferritic stainless steel sheet having excellent formability, which has an R-bar value of at least 1.08 and satisfies TS/YS≤1.5 representing the ratio of tensile strength (TS) to yield stre...
|
WO/2023/073411A1 |
A cold rolled and heat treated steel sheet comprising of the following elements 0.2 % ≦ C ≦ 0.35 %; 0.2 % ≦ Mn ≦ 1.2 %; 0.1% ≦ Si ≦ 0.9 %; 0% ≦ Al ≦ 0.1 %; 0.2% ≦ Cr ≦ 0.8 %; 0.01% ≦ Nb ≦ 0.1%; 0.1% ≦ Ni ≦ 0.9...
|