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WO/2023/116217A1 |
Disclosed are iron-based alloy powder for plasma cladding, a preparation method and a plasma cladding method. The components of iron-based alloy powder comprise: less than or equal to 0.03% of C, less than or equal to 0.05% of Si, less t...
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WO/2023/121027A1 |
The present invention pertains to a steel plate and a method for manufacturing same. More specifically, the present invention pertains to a steel plate having high strength and excellent low-temperature impact toughness, and a method for...
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WO/2023/121268A1 |
A non-oriented electrical steel sheet according to one embodiment of the present invention comprises, by wt%: 1.4-3.0 % of Si; 0.001-1.5 % of Mn; and 0.001-0.2 % of Al, with the remainder of Fe and inevitable impurities, wherein a thickn...
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WO/2023/121270A1 |
A non-oriented electrical steel sheet according to an embodiment of the present invention comprises, by wt%, 3.1-3.8% of Si, 0.5-1.5% of Al, 0.3-1.5% of Mn, 0.01-0.15% of Cr, 0.02-0.08% of Sn, 0.03-0.06% of Sb, and the remainder of Fe an...
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WO/2023/119902A1 |
A welded structure (19) includes a first member (11) made of a steel plate or cast steel, a second member (12) made of a steel plate or cast steel and disposed adjacent to the first member (11) with a space (S) interposed therebetween, a...
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WO/2023/121222A1 |
An aspect of the present invention provides: an austenitic high-manganese steel having excellent extreme low temperature toughness in a heat-affected zone; and a method for manufacturing same.
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WO/2023/121182A1 |
According to an aspect of the present invention, provided are a high-carbon steel sheet with excellent durability, and industrial or automotive parts manufactured using same.
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WO/2023/118516A1 |
A low carbon steel welded tube for low internal pressure applications, wherein the pressure in the tube is, in use, less than 10 kPa, wherein the low carbon steel constituting the welded tube is a hot-rolled steel strip having a thicknes...
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WO/2023/115785A1 |
The present invention provides an iron-based amorphous/nanocrystalline alloy as shown in formula Fe(100-a-b-c-d-e)BaSibPcCdCue, wherein d+(b/c)=0.85-1.3, and a viscosity coefficient η is (3.0-8.0)*10-3 Pa/s. The present application furt...
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WO/2023/113527A1 |
The present invention pertains to a grain-oriented electrical steel sheet and a method for manufacturing same. The grain-oriented electrical steel sheet according to an embodiment of the present invention comprises: a base material conta...
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WO/2023/111403A1 |
The invention relates to a grade of ductile iron having a tensile strength (Rm) equal to or greater than 700 MPa, an elongation of 8%, a yield strength (Rp 0.2) equal to or greater than 532 MPa, and a minimum ratio of yield strength (Rp ...
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WO/2023/112420A1 |
Provided is a method for manufacturing a laminated iron core by which an excellent iron loss characteristic can be obtained. The method for manufacturing a laminated iron core according to the present invention is characterized in that...
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WO/2023/113219A1 |
The present invention relates to: a steel material having high strength and excellent impact toughness, the steel material being usable for a land wind power generator and the like; and a method for manufacturing same.
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WO/2023/113535A1 |
The present invention relates to a cold rolled steel sheet and a method for manufacturing same, the cold rolled steel sheet comprising, in wt%, 0.0003 to 0.003% of C, 0.25 to 0.55% of Mn, 0.001 to 0.03% of Si, 0.0005 to 0.0015% of Al, 0....
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WO/2023/113554A1 |
A cold rolled steel sheet according to an embodiment of the present invention comprises, by wt%: C: 0.01 to 0.10%; Mn: 0.1 to 0.4%; Al: 0.01 to 0.10%; P: 0.003 to 0.020%; N: 0.001 to 0.006%; S: 0.015% or less; Cr: 0.1 to 0.4%; B: 0.0005 ...
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WO/2023/111114A1 |
A composite material comprising: at least one reinforcing zone comprising niobium carbide (NbC) and a manganese steel matrix; a manganese steel zone that surrounds each of the reinforcing zones; and an interface layer positioned between ...
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WO/2023/111771A1 |
The present invention relates to a method for evaluating the hydrogen content in a steel sheet while being submitted to an annealing process, comprising the following steps: estimating the microstructure of the steel sheet according to t...
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WO/2023/112891A1 |
A non-oriented electromagnetic steel sheet according to the present invention contains no greater than 0.010% of C, 1.0% to 5.0% (inclusive) of Si, 0.05% to 5.0% (inclusive) of Mn, no greater than 0.1% of P, no greater than 0.01% of S, n...
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WO/2023/113532A1 |
The present invention relates to a cold-rolled steel sheet and a method for manufacturing same. A cold-rolled steel sheet according to one embodiment comprises, in weight%, 0.01-0.05 % of carbon (C), 0.6-1.2 % of manganese (Mn), 0.05 % o...
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WO/2023/112892A1 |
A non-oriented electromagnetic steel sheet according to the present invention contains, in mass%, 0.010% or less C, 1.0 to 5.0% Si, 0.05 to 5.0% Mn, 0.1% or less P, 0.01% or less S, 3.0% or less Al, and 0.005% or less N, the remainder be...
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WO/2023/113444A1 |
The present invention relates to a calcium-containing graphite steel wire rod, steel wire, graphite steel, and a manufacturing method and cutting method therefor and, more particularly, proposes a cutting method for manufacturing industr...
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WO/2023/113428A1 |
The present invention relates to a graphite steel having excellent machinability, and a manufacturing method therefor, and, more specifically, to a calcium-containing graphite steel having a machinability superior to that of normal free-...
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WO/2023/114498A1 |
A method for fabricating an article includes forming a billet consisting essentially of a stainless steel composition of manganese 2.00 wt.% – 24.00 wt.% chromium 19.00 wt.% – 30 wt.% molybdenum 0.50 wt.% – 4.0 wt.% nitrogen 0.25 w...
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WO/2023/110810A1 |
The invention relates to a steel-based metal wire for reinforcing rubber items selected from among vehicle tyres, tracks and conveyor belts which is obtained by means of a method comprising at least one step of producing a steel wire, re...
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WO/2023/109106A1 |
A preparation method for a short-process bainite hot-work die, comprising: designing the components of a die steel to be: C: 0.50-0.60%, Si: 0.20-0.25%, Mn: 1.00-1.50%, W: 2.10-3.00%, Mo: 3.50-5.00%, V: 0.50-1.00%, Co: 0.60-1.10%, P:≤0...
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WO/2023/113645A1 |
The invention relates to the field of metallurgy, and more particularly to the production of rolled stock, and can be used for producing coil stock from structural steels, which exhibits increased fire-resistance. The technical result co...
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WO/2023/112461A1 |
The present invention provides a steel sheet which has high strength, excellent ductility, high YR and excellent bendability at the same time. This steel sheet has a specific component composition and a steel structure wherein: the area ...
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WO/2023/113453A1 |
The present invention relates to a high-strength steel sheet having excellent formability and a high yield ratio, and a manufacturing method therefor, and, more particularly, to a high-strength steel sheet having excellent formability an...
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WO/2023/112561A1 |
The present invention provides a magnetic member manufacturing method capable of achieving both demagnetization of a part of an electromagnetic steel plate and yield rate improvement based on effective use of the electromagnetic steel pl...
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WO/2023/109005A1 |
The present invention belongs to the field of steel material preparation, and relates to a 56 kg-grade low-yield-ratio ultrahigh-strength maritime work steel plate and a preparation method therefor. The composition design of the present ...
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WO/2023/109223A1 |
The present invention relates to the field of smelting, and disclosed is a low-cost smelting and continuous casting method for pre-hardened plastic mold steel, comprising: step 1, smelting molten steel in a converter; step 2, ladle refin...
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WO/2023/113206A1 |
The present invention relates to an austenitic stainless steel and a manufacturing method therefor and, specifically, to an austenitic stainless steel and a manufacturing method therefor, wherein the austenitic stainless steel can secure...
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WO/2023/112788A1 |
[Problem] To provide: an iron cast part that can be used as a substitute for a part made of stainless steel; and a method for manufacturing the same. Further, to provide an assembly part using an iron cast part that can be used as a subs...
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WO/2023/112634A1 |
The purpose of the present invention is to propose: a steel sheet which has excellent joint toughness, excellent base material toughness and high tensile strength even at low temperatures of -60°C or less in a high heat input welding he...
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WO/2023/113220A1 |
The present invention relates to steel suitable for a pressure vessel that can be used as petrochemical manufacturing equipment, a storage tank, and the like, and, more specifically, to steel having excellent hydrogen-induced cracking (H...
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WO/2023/111770A1 |
The present invention relates to a method for manufacturing a heat-treated steel sheet, submitted to an annealing process following a temperature curve T as a function of time t in a furnace having atmosphere comprising hydrogen, in whic...
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WO/2023/113442A1 |
The present invention relates to methods for manufacturing a wire rod for cold forging and a screw part, which can manufacture with only quenching heat treatment a part with excellent drilling characteristics, and which can specifically ...
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WO/2023/111132A1 |
A composite material comprising: at least one reinforcing zone comprising tungsten carbide (WC) and a manganese steel matrix; a manganese steel zone that surrounds each of the reinforcing zones; and an interface layer positioned between ...
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WO/2023/113327A1 |
The present invention relates to: a hot rolled steel sheet for ground reinforcement and a steel pipe for ground reinforcement, which have excellent strength and formability; and manufacturing methods thereof.
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WO/2023/113430A1 |
The present invention relates to a graphite steel wire rod for TV PEM nut parts, graphite steel, and a manufacturing and machining method therefor, and, more particularly, provides a machining method for manufacturing industrial parts an...
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WO/2023/111655A1 |
Method for evaluating the hydrogen content in a steel sheet The present invention relates to a method for evaluating the hydrogen content in a steel sheet while being submitted to an annealing process, comprising the following steps: est...
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WO/2023/113558A1 |
A cold-rolled steel sheet, according to one embodiment of the present invention, may comprise in percentage by weight: carbon (C): 0.010-0.025%; manganese (Mn): 0.10-0.25%; sulfur (S): 0.002-0.011%; boron (B): 0.0006-0.0026%; nitrogen (N...
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WO/2023/112763A1 |
This hot-rolled steel sheet has a metal structure that contains, in percentage by area, 55% to 95% of bainite, 5% to 30% of residual austenite, 5% or less of fresh martensite, 5% or less of ferrite and 5% or less of pearlite, while havin...
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WO/2023/111656A1 |
The present invention relates to a method for manufacturing a heat treated steel sheet, submitted to an annealing process following a temperature curve T as a function of time t in a furnace having atmosphere comprising hydrogen, in whic...
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WO/2023/112418A1 |
Provided is a laminated core having good core loss characteristics. This laminated core is formed of a laminate of electromagnetic steel sheets processed to a predetermined shape, the electromagnetic steel sheets having an insulating c...
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WO/2023/112419A1 |
Provided is a laminated iron core with good iron loss characteristic. A laminated iron core of the present invention is formed by laminating electromagnetic steel sheets processed into a predetermined shape and has a butt portion where...
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WO/2023/112313A1 |
This nickel-containing steel weld joint for low temperature use contains a base material part, a weld heat-affected section, and a weld metal. The chemical composition of the base material part comprises a prescribed chemical component. ...
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WO/2023/110683A1 |
The invention relates to a grade of ductile iron having a tensile strength (Rm) equal to or greater than 700 MPa, an elongation at break equal to or greater than 11%, a yield strength (Rp 0.2) equal to or greater than 532 MPa, and a mini...
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WO/2023/112421A1 |
The present invention provides: a grain-oriented electromagnetic steel sheet which has excellent film adhesion; and a method for producing this grain-oriented electromagnetic steel sheet. A grain-oriented electromagnetic steel sheet ac...
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WO/2023/113387A1 |
The present invention relates to a steel sheet suitable for automobile chassis members, etc., and, more particularly, to an ultra-high strength steel sheet having excellent bendability, and a manufacturing method therefor.
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