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WO/2023/195226A1 |
The present invention provides: a soft magnetic iron alloy plate that makes it possible to exhibit higher Bs and lower Pi than an electromagnetic pure iron plate, and that enables a greater cost reduction than permendur; a production met...
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WO/2023/190886A1 |
The present invention provides a nanocrystalline alloy thin strip which has excellent magnetic characteristics including high saturation magnetic flux density and high magnetic permeability. This nanocrystalline alloy thin strip is repre...
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WO/2023/190963A1 |
A nanocrystal alloy ribbon is provided. According to this method for manufacturing a nanocrystal alloy ribbon, when an amorphous alloy ribbon is contacted with a heating body and heated, the heating body is heated to a heating temperatur...
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WO/2023/184782A1 |
Disclosed in the present invention is a manufacturing method for a hot forging-formed, composite-quenched and structure-refined high-strength bolt. The manufacturing method comprises hot forging forming and complete quenching, critical z...
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WO/2023/179057A1 |
The present invention discloses 09MnNiDR steel and a production method therefor, and relates to the technical field of steel production. The steel comprises the following chemical components in percentages by mass: C: 0.050-0.15%, Si: 0....
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WO/2023/176791A1 |
The present invention provides a method for producing an iron casting by performing a heat treatment on an object to be heat treated, the object being obtained by casting an austenitic casting material. The heat treatment comprises: a fi...
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WO/2023/171362A1 |
This soft-magnetic wire or soft-magnetic steel bar contains not more than 0.075 mass% of C, not more than 1.00 mass% of Si, 0.10-1.00 mass% of Mn, not more than 0.100 mass% of P, not more than 0.100 mass% of S, not more than 1.00 mass% o...
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WO/2023/165617A1 |
High-strength and high-toughness steel with a long service life and a wall thickness of ≥ 600 mm for a valve body of a subsea Christmas tree, and a heat treatment method and production method therefor. The steel for a valve body of a s...
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WO/2023/165611A1 |
Disclosed in the present invention are a steel for high-toughness corrosion-resistant Christmas tree valve bodies smelted at a high scrap ratio, and a heat treatment method and a production method therefor. The steel for Christmas tree v...
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WO/2023/165068A1 |
The present invention relates to a carburized bearing steel for a large-load rolling mill bearing and a production method therefor. The steel comprises the following chemical components (in percentages by mass): C: 0.17-0.23, Si: 0.15-0....
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WO/2023/162817A1 |
The present invention provides a duplex stainless steel material which has high strength and excellent toughness at low temperatures. A duplex stainless steel material according to the present disclosure contains, in mass%, 0.030% or les...
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WO/2023/163005A1 |
An Fe-based nanocrystal soft magnetic alloy core which is obtained by winding a ribbon comprising an Fe-based nanocrystal soft magnetic alloy containing an amorphous phase and crystal grains, said Fe-based nanocrystal soft magnetic alloy...
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WO/2023/145423A1 |
Provided is a method for manufacturing an austenitic alloy steel material with which it is possible to improve mechanical properties even without improving the steel composition and to expect an increase in the service life of a componen...
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WO/2023/137842A1 |
A die steel having a high thermal diffusion coefficient, and a preparation method therefor. The die steel is prepared from the following components, in percentage by mass: C: 0.30-0.40%, Si: 0.05-0.10%, Mo: 2.50-3.40%, Nb: 0.01-0.05%, Co...
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WO/2023/139098A1 |
The present invention relates to a steel powder for additive manufacture of three-dimensional objects and in particular for the manufacture hot and cold work tools, wherein the steel combines the properties of carbon hardening and maragi...
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WO/2023/131224A1 |
Disclosed in the present invention is a non-oriented electrical steel plate with good magnetic performance. In addition to Fe and inevitable impurities, the non-oriented electrical steel plate further contains the following chemical elem...
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WO/2023/132141A1 |
The present invention provides: a soft magnetic iron alloy plate which not only is capable of suppressing an excessive increase in Pi while exhibiting a higher Bs than an electromagnetic pure iron plate, but also can be produced at a low...
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WO/2023/129259A1 |
A high permeability grain oriented electrical steel having a chemistry comprising, all in weight percent, 2.5% to 4.5% silicon, 0.02% to 0.08% carbon, 0.01 to 0.05% aluminum, 0.005% to 0.050% sulfur or selenium, 0.02 to 0.20% manganese, ...
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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/2023/105272A1 |
A low density hot rolled steel comprising of 0.12%≤carbon≤0.25%, 3%≤manganese≤10%, 3.5%≤aluminum≤6.5%, 0%≤phosphorus≤0.1%, 0% ≤ sulfur ≤ 0.03%, 0% ≤ nitrogen ≤ 0.1%,0% ≤ silicon ≤ 2%, 0.01% ≤ niobium ≤ 0.0...
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WO/2023/105271A1 |
A low density hot rolled steel comprising of 0.12% ≤ carbon ≤ 0.25%, 3% ≤ manganese ≤ 10%, 3.5% ≤ aluminum ≤ 6.5%, 0% ≤ phosphorus ≤ 0.1%, 0% ≤ sulfur ≤ 0.03%, 0% ≤ nitrogen ≤ 0.1%, 0% ≤ silicon ≤ 2%, 0.01% â‰...
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WO/2023/104344A1 |
The present invention relates to a method of controlling carbon potential of an atmosphere in a heating chamber used for a heat treatment of metals or metal alloys. Said method comprises the steps of: providing a flow of an inert gas - h...
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WO/2023/103758A1 |
A micro-alloyed carbon steel original austenite grain boundary etching method, comprising: using heat treatment of higher than an austenitizing temperature - ice water quenching - tempering - normal temperature quenching - sample prepara...
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WO/2023/100921A1 |
A wound core according to an embodiment of the present invention is made by winding a thin band into a plurality of layers, the thin band being made from a nanocrystal material and having an oxidized surface. In the wound core, the oxida...
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WO/2023/093798A1 |
Disclosed in the present invention is a high-strength cold-rolled steel plate for a double-sided enamel liner, the high-strength cold-rolled steel plate comprising Fe and inevitable impurities, and also comprising the following chemical ...
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WO/2023/093923A1 |
The high-chrome steel resistant to creep at temperatures up to 650 °C contains W in the range of more than 2 up to 4% wt., Si in the range of more than 0.1 up to 1% wt., Mn in the range of more than 0.1 up to 1% wt., Nb in the range of ...
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WO/2023/093119A1 |
The present application relates to the technical field of metal materials, and discloses a high-toughness ultrahigh-strength steel and a manufacturing method therefor, used for solving the problems that existing low-alloy ultrahigh-stren...
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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...
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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, ...
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WO/2023/086673A1 |
An integrated welding and thermal processing method includes heating adjoining surfaces, at least one of which is a creep strength enhanced ferritic (CSEF) steel alloy, to a sufficiently high temperature above their melting points to for...
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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 ...
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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 ...
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WO/2023/074693A1 |
The present invention provides a magnetic wire which is formed of an alloy that is mainly composed of iron and cobalt, wherein: the magnetic wire has a structure that comprises at least an α phase among the α phase and a γ phase; the ...
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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...
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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%...
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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...
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WO/2023/074160A1 |
The semi-hard magnetic steel component comprises C : 0.60 mass% to 1.50 mass%, Si : more than 0 mass% and not more than 0.75 mass%, Mn : more than 0 mass% and not more than 1.00 mass%, P : more than 0 mass% and not more than 0.050 mass%,...
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WO/2023/067317A1 |
A steel material including, in mass percent: carbon: 0.35 to 0.6%; silicon: 0.35 to 2.0%; manganese: 6.0 to 21.0%; nickel: 7.0 to 16.0%; chromium: 21.5 to 26.5%; tungsten: 3.5% or less; niobium: 2.2% or less; nitrogen: 0.1 to 0.75%; copp...
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WO/2023/067544A1 |
A high hardness low alloyed hot rolled steel having improved abrasion resistance, impact toughness, hardness, and weldability is provided. The high hardness low alloyed hot rolled steel comprises the following composition expressed in we...
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WO/2023/061673A1 |
The invention relates to an alloy, comprising at least (in wt.%): carbon (C) 0.03% - 0.08%, silicon (Si) 0.2% - 0.4%, manganese (Mn) 1.6% - 2.0%, molybdenum (Mo) 4.0% - 5.0%, chromium (Cr) 20.0% - 25.0%, nickel (Ni) 24.0% - 27.0%, vanadi...
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WO/2023/062210A1 |
This invention relates to a hybrid high strength low alloy cold-rolled and annealed steel strip and a method for producing said steel strip.
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WO/2023/061722A1 |
A metal powder for additive manufacturing, comprising, in wt%, Ni 9.0–12.0, Cr 2.0–4.5, Mo 3.5–4.5 and Ti 0.1–1.0; and, if present, Si up to 0.5, Mn up to 0.5, Al up to 0.1, Co up to 0.1, N up to 0.05 and/or C up to 0.07; the bal...
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WO/2023/057062A1 |
A vanadium alloyed steel comprising carbon and vanadium is provided, wherein the steel microstructure comprises coherent interphase precipitates comprising vanadium. Further, a method for producing such a vanadium alloyed steel is provid...
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WO/2023/052814A1 |
A cold rolled and heat treated steel sheet having a composition comprising of the following elements, 0.05%≤Carbon≤0.12%, 1.0%≤Manganese≤2%, 0.01 %≤Silicon≤0.5%, 0.01 %≤Aluminum≤0.1 %, 0.01 %≤Niobium≤0.1 %, 0%≤Phosp...
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WO/2023/033059A1 |
The present invention is a method for producing an Fe-based nanocrystalline alloy magnetic core, said method including an oxide film forming step for heat-treating, in an oxidizing atmosphere, a magnetic core material in which a nanocrys...
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WO/2023/031645A1 |
A hot rolled steel sheet having a composition comprising of elements, 0.02%≤Carbon≤0.2%, 3%≤Manganese≤9%, 0.2%≤Silicon≤1.2%, 0.9%≤Aluminum≤2.5%, 0%≤Phosphorus≤0.03%, 0%≤Sulfur≤0.03%, 0%≤Nitrogen≤0.025%, 0%≤M...
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WO/2023/032913A1 |
The present invention heat-treats a starting material for an Fe-based amorphous alloy ribbon at a heat treatment temperature Tan which is equal to or greater than the crystallization starting temperature Tx1s of a bccFe crystal for a hea...
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WO/2023/029630A1 |
Disclosed in the present invention are a steel rail in which abrasion and rolling contact fatigue are well coupled and a production method therefor. The chemical components of the steel rail comprise, in percentages by weight: 0.75-0.88%...
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WO/2023/030171A1 |
A high-performance, iron-based, medium-entropy alloy, a preparation method therefor and an application thereof, relating to the technical field of metal materials. The alloy comprises the following components by mole percentage: 12-20 at...
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WO/2023/031647A1 |
A hot rolled steel sheet having a composition comprising of the elements, 0.02%≤Carbon≤0.2%, 3%≤Manganese≤9%, 0.2%≤Silicon≤1.2%, 0.9%≤Aluminum≤2.5%, 0%≤Phosphorus≤0.03%, 0%≤Sulfur≤ 0.03%, 0%≤Nitrogen≤0.025%, 0...
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