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WO/2024/070839A1 |
Provided are a high aging-efficiency maraging steel and a method for producing the same.　The maraging steel comprises: a component composition that includes, in mass%, C at 0.02% or less, Si at 0.1% or less, Mn at 0.1% or less, P at 0....
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WO/2024/060562A1 |
A back roller and a preparation method therefor, and a coating machine having the back roller. A back roller (100) comprises: a roller body (10) and a wear-resistant layer (20). The roller body (10) has an axis (15) and a roller surface ...
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WO/2024/062933A1 |
Provided is a method for producing hot work tool steel that has a fine annealed structure even if a cross-sectional size is large.　This method for producing hot work tool steel having a cross-sectional area of at least 200,000 mm2 incl...
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WO/2024/056822A1 |
Methods involving high temperature solution treatment that improve corrosion and wear resistance and strength of Ni-free high-Mn austenitic stainless steels are disclosed, together with Ni-free high- Mn austenitic stainless steels, artic...
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WO/2024/048226A1 |
Provided is a dust core that has small eddy current loss, high strength, and high relative permeability.　A dust core (1) contains a plurality of alloy particles (3) each comprising: a core part (5) made of an alloy including iron and s...
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WO/2024/048064A1 |
This method for manufacturing a layered body by layering a plurality of iron-based amorphous alloy ribbons. The iron-based amorphous alloy ribbons are represented by the composition formula T100-x-y-zSix(B1-mCm)yPz (T is at least one ele...
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WO/2024/047877A1 |
This steel material has an average chemical composition containing 18.00-36.00% of Ni and 5.50-12.00% of Si and has a metal structure that includes an austenite phase and an ordered phase. This automobile component comprises the steel ma...
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WO/2024/041540A1 |
Disclosed in the present invention is 60-kilogram-grade cold-rolled low-alloy annealed dual-phase steel, comprising Fe and inevitable impurity elements, and further comprising the following chemical elements in percentage by mass: 0.08%-...
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WO/2024/040762A1 |
A production method for a high-nickel medium-thick steel plate for low-temperature service. The steel comprises the following components in percentage by weight: C: 0.05-0.08%; Si≤0.30%; Mn: 0.50-0.80%; P≤0.008%; S≤0.005%; Al: 0.02...
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WO/2024/040761A1 |
A production method for a high-strength, high-toughness and weather-resistant bridge steel plate. The steel comprises the following components, in percentages by weight: C=0.05-0.08%, Si=0.10-0.30%, Mn=1.20-1.50%, P≤0.015%, S≤0.005%,...
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WO/2024/037954A1 |
The invention relates to a method for heat treating chrome steels, in particular high-alloy chrome x steels, by means of gas nitriding, comprising the following process steps: (A) heating a previously hardened component consisting of a c...
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WO/2024/033688A1 |
A martensitic steel sheet comprising the following elements 0.07% ≦ C ≦ 0.12%; 1.9% ≦ Mn ≦ 2.5 %; 0.2% ≦ Si ≦ 0.6%; 0.01% ≦ Al ≦ 0.1%; 0.1% ≦ Cr ≦ 0.5%; 0.2% ≦ Mo ≦ 0.6%; 0% ≦ S ≦ 0.09%; 0% ≦ P ≦ 0.09%; 0%...
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WO/2024/033586A1 |
The present invention relates to an iron-based alloy composition comprising, in percentages by weight of the total composition: nickel: 38.0 - 42.0, niobium: 4.750 - 5.500, carbon: 0.010 - 0.100, cobalt: ≤0.400, chromium: ≤0.500; sil...
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WO/2024/033117A1 |
The invention relates to metal parts for producing rubber articles such as bands for wheels, caterpillar tracks, conveyor belts or transmission belts, which are iron based and in particular based on an Fe-Ni alloy, having a low isobaric ...
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WO/2024/016482A1 |
The present invention relates to the field of high-strength alloy fastener manufacturing, and provides ultrahigh-strength alloy steel, a 19.8-grade threaded fastener and a preparation method therefor. The ultrahigh-strength alloy steel p...
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WO/2024/017347A1 |
Disclosed in the present invention is a non-oriented electrical steel sheet. In addition to Fe and inevitable impurities, the non-oriented electrical steel sheet further contains the following chemical elements in percentage by mass: 0 <...
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WO/2024/017345A1 |
Disclosed in the present invention is a non-oriented electrical steel plate, which comprises, in addition to Fe and inevitable impurities, the following chemical elements in percentages by mass: C: 0.001-0.004%, Si: 2.0-3.8%, Mn: 0.05-1....
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WO/2024/014419A1 |
This precipitation hardening-type soft-magnetic ferritic stainless steel has a composition containing, in mass%, 0.1% or less of C (not including 0%), 0.01-2.5% of Si, 0.5% or less of Mn (not including 0%), 0.1% or less of S (not includi...
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WO/2024/013542A1 |
A hot rolled steel having a composition comprising the following elements, 5%≤Nickel≤16 %, 0.5%≤Aluminum≤3%, 0.1%≤Titanium≤1%, 4%≤Chromium≤15%, 0.0001% ≤ Carbon ≤ 0.03%, 0.002 % ≤ Phosphorus ≤ 0.02 %,0 % ≤ Sulfu...
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WO/2024/008331A1 |
The invention relates to a method for generating a hardness profile on a steel workpiece which has a base hardness (c) and, starting from the surface of the workpiece, is hardened as far as a first depth (d15) to a first hardness value (...
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WO/2024/003234A1 |
A composite material comprising: at least one reinforcing zone comprising tungsten carbide (WC) and titanium carbide (W, Ti)C and a manganese steel matrix; a manganese steel zone that surrounds each of the reinforcing zones; and an inter...
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WO/2024/002728A1 |
An austenitic stainless steel having the following composition, in percent by weight (wt.-%): C equal to or less than 0.06, Si 0.1 – 1, Mn 3 – 5, Cr 20.5 – 23.5, Ni 11 – 15, Mo 1 – 4, Nb 0.50-0.70, N 0.40-0.60, P equal to or le...
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WO/2024/003593A1 |
A steel part for the transmission system of an automobile comprising of the following elements, 0.2%≦C≦0.35%; 1.0%≦Mn≦1.6%; 0.2%≦Si≦0.7%; 0.001%≦Al≦0.1%; 0.01%≦Mo≦0.5%; 0.020%≦Nb≦0.06%; 1%≦Cr≦1.5%; 0≦P≦ 0....
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WO/2023/246898A1 |
Provided in the present invention are a high-plasticity steel and a manufacturing method therefor. The steel comprises the following components in percentages by mass: 0.10-0.35% of C, 0.8-2.0% of Si, 1.0-3.0% of Mn, less than or equal t...
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WO/2023/246904A1 |
The present invention provides ultrahigh reaming steel and a manufacturing method therefor. The steel comprises the following components in percentage by weight: C: 0.03-0.09%; Si: ≤0.2%; Mn: 0.5-2.0%; P: ≤0.02%; S: ≤0.003%; Al: 0....
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WO/2023/246737A1 |
Disclosed in the present invention are a 1300-MPa-grade-or-higher cold-rolled steel sheet and a manufacturing method therefor. The cold-rolled steel sheet comprises Fe and inevitable impurity elements, and further comprises the following...
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WO/2023/246465A1 |
Disclosed in the present invention are a martensitic heat-resistant steel for use at 630ºC or more and a preparation method therefor, which belong to the technical field of metal materials. The heat-resistant steel comprises, in percent...
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WO/2023/241574A1 |
Disclosed is a method for manufacturing a low-magnetostriction oriented silicon steel plate, comprising the steps of: (a) smelting and casting; (b) heating; (c) normalizing; (d) cold rolling; (e) decarburization annealing; (f) finished p...
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WO/2023/233186A1 |
A High Manganese hot rolled steel having a composition comprising of the following elements 0.8 % ≤ Carbon ≤ 1.3 %, 9.5 % ≤ Manganese ≤ 22%,0.01% ≤ Silicon ≤ 3%, 0.01% ≤ Aluminum ≤ 3%, 0.03 % ≤ Phosphorus ≤ 0.1%, 0.03...
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WO/2023/228783A1 |
Provided is a martensitic stainless steel material having high strength and excellent corrosion resistance in corrosive environments containing SOx or NOx. This martensitic stainless steel material satisfies the chemical composition desc...
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WO/2023/228784A1 |
Provided is a martensitic stainless steel material which has high strength and excellent corrosion resistance in a corrosive environment in which SOx and NOx are included. A martensitic stainless steel material according to the present d...
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WO/2023/223078A1 |
A martensitic steel sheet comprising of the following elements 0.08 % ≦ C ≦ 0.14 %; 1.95 % ≦ Mn ≦ 2.6 %; 0.1% ≦ Si ≦ 0.8 %;.01% ≦ Al ≦ 0.1 %; 0.001% ≦ Ti ≦ 0.1%; 0.0001% ≦ B ≦ 0.05%; 0% ≦ S ≦ 0.09%; 0% ≦ P â...
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WO/2023/218229A1 |
A hot rolled steel sheet having a composition comprising of the following elements 0.060%≤Carbon≤0.1%, 1.4%≤Manganese≤1.8%, 0.3%≤Silicon≤0.8%, 0.01%≤ Aluminum≤0.1%, 0.01%≤Niobium≤0.09%, 0.01%≤Titanium≤0.09%, 0.002...
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WO/2023/209480A1 |
The invention relates to a method for heating at least one semi-finished metal products to be further laminated, by means of a heat exchanging device comprising a chamber containing solid particles, supporting means able to support semi-...
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WO/2023/208254A1 |
Disclosed in the present invention is an ultrahigh-strength cold-rolled steel strip having a tensile strength of 1450 MPa or above, comprising Fe and inevitable impurity elements, and further comprising the following chemical elements in...
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WO/2023/212717A1 |
The present invention provides steel alloys with hydrogen degradation resistance comprising controlled amounts of Mn and C, as well as Al, Cr, Cu, Ni and Si. The steel alloys have an austenite microstructure and relatively high stacking ...
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WO/2023/209415A1 |
The invention relates to a method for heating at least one semi-finished metal products to be further laminated, by means of a heat exchanging device comprising a chamber containing solid particles, supporting means able to support semi-...
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WO/2023/208274A1 |
Method for producing a support film for catalytic converters with application temperatures < 900°C, consisting of an iron-chromium-aluminium alloy containing 8-14% by weight Cr, 1-4% by weight Al and iron as the remainder, along with me...
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WO/2023/197572A1 |
Disclosed in the present invention is 500 HB grade or above abrasion-resistant steel, the chemical components and the mass percentages thereof are as follows: 0.15%-0.45% of C, 0.15%-0.50% of Si, 0.50%-1.80% of Mn, P ≤ 0.015%, S ≤ 0....
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WO/2023/200347A1 |
The subject matter of the invention is a method of heat treatment of medium- and high-carbon alloy steels, the AIM of which is to produce a fragmented, multiphase microstructure consisting of tempered bainitic ferrite and martensite, sep...
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WO/2023/199902A1 |
Provided is an alloy material that has sufficient creep strength in a high temperature environment and is capable of attaining both excellent resistance to stress relaxation cracking and excellent resistance to welding hot cracking. The ...
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WO/2023/197826A1 |
The present application provides a medium-carbon low-alloy steel material, a conveying pipe, a preparation method for the medium-carbon low-alloy steel material, and a concrete pump truck. The medium-carbon low-alloy steel material is ma...
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WO/2023/198720A1 |
The present invention relates to a duplex stainless steel comprising the following elements in weight%: C max 0.030; Si max 0.30; Mn 0.20 to 2.50; P max 0.030; S max 0.030; Cr 28.5 to 30.5; Ni 6.0 to 8.0; Mo 0.70 to 3.00; W 2.00 to 4.40;...
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WO/2023/193317A1 |
An ultra-low-temperature steel, and a heat treatment process therefor and the use thereof. The ultra-low-temperature steel comprises the following components: C: 0.41-0.45%, Mn: 23.5-24.5%, Cr: 3.5-3.7%, Cu: 0.35-0.45%, Ni: 0.55-0.65%, V...
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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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