| Document |
Document Title |
|
WO/2023/188792A1 |
Provided is a hot press member comprising excellent spot welding properties and cut-part corrosion resistance. The hot press member comprising: a steel plate; a coating layer disposed to at least one surface of the steel plate; and an ox...
|
|
WO/2023/190867A1 |
This steel member has a predetermined chemical composition. In the steel member, when a position at a depth of 1/4 of the thickness in the thickness direction from the surface is defined as a 1/4 depth position, the maximum B content in ...
|
|
WO/2023/190205A1 |
This vacuum carburizing furnace comprises: a heating chamber in which vacuum carburizing of a workpiece charged into the furnace is performed; and a workpiece charging port that is provided on the bottom of the heating chamber.
|
|
WO/2023/180543A1 |
The invention relates to a method for heating a sheet-steel blank or a pre-shaped sheet-steel component having a zinc coating or a zinc-alloy coating, in which method: the sheet-steel component or the sheet-steel blank is guided through ...
|
|
WO/2023/182333A1 |
The purpose of the present invention is to provide a gear component in which the surface layer of the dedendum has a high hardness and the bending fatigue strength is excellent. The gear component according to the present invention is ...
|
|
WO/2023/180082A1 |
Disclosed is an inductor (1) for heating a vehicle wheel (2), which has a plurality of windings (1a) provided to heat an inner region of a rim (2a) of the vehicle wheel (2) and at least one winding (1d) provided for heating a rim flange ...
|
|
WO/2023/181505A1 |
This quenching-attitude-setting program causes a computer to perform setting of the quenching attitude of an object to be quenched. The quenching-attitude-setting program causes a computer to perform: a first process for dividing a virtu...
|
|
WO/2023/180999A1 |
The invention relates to a method for manufacturing a rolling bearing (100) for a medical guide device with roller bodies, comprising components, at least one component (20; 6, 2, 4, 5, 5') being made of titanium or of titanium alloy, th...
|
|
WO/2023/173153A1 |
The invention relates to a device (1) for tempering an object (2) comprising a chamber (5) for receiving the object (2), wherein the chamber (5) is surrounded by a chamber casing (7), a base element (4) and a cover element (8), a heating...
|
|
WO/2023/176521A1 |
This quenching tool is used for quenching an object to be quenched including a disk-shaped race having a race through-hole. The quenching tool comprises a supporting mesh including a first supporting portion that contacts the object to b...
|
|
WO/2023/168884A1 |
A method for preparing a spiral heat exchange tube of a steam generator of a high temperature gas-cooled reactor, comprising steps of: perforation and annealing of a pierced billet; pickling and inspection of the pierced billet; multi-pa...
|
|
WO/2023/171492A1 |
This hot-stamp-formed article has a specific chemical composition, with the metal structure being, by area%: at least 60% in total of fresh martensite and tempered martensite; 2 to 30% retained austenite; 38% or less of bainite; and 2% o...
|
|
WO/2023/170245A1 |
The invention relates to a high strength steel sheet with excellent hole expandability having a hole expansion ratio of 40% or more, and to a method of producing the same.
|
|
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...
|
|
WO/2023/165614A1 |
Long-service-life high-toughness corrosion-resistant steel for a subsea Christmas tree valve and a heat treatment method and production method for the long-service-life high-toughness corrosion-resistant steel for the subsea Christmas tr...
|
|
WO/2023/167318A1 |
Provided is a steel material that can reduce the hydrogen embrittlement susceptibility of bolts. This steel material contains, in mass%, 0.30-0.50% of C, 0.01-0.30% of Si, 0.10-1.50% of Mn, 0.030% or less of P, 0.030% or less of S, 0.01-...
|
|
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....
|
|
WO/2023/167319A1 |
Provided is a steel material that can reduce the hydrogen embrittlement susceptibility of bolts. This steel material contains, in mass%, 0.30-0.50% of C, 0.01-0.30% of Si, 0.10-1.50% of Mn, 0.030% or less of P, 0.030% or less of S, more ...
|
|
WO/2023/165645A1 |
The invention relates to a method for producing rolling bearing components with a high degree of toughness, having the steps of: providing at least one rolling bearing component made of a steel material, said steel material having a high...
|
|
WO/2023/167386A1 |
The present invention provides a method for manufacturing railway vehicle wheel-mounted brake discs, which are mounted at both sides of a railway vehicle wheel, the method comprising: a forging step of molding, by ring rolling, a steel m...
|
|
WO/2023/162614A1 |
Provided is a hot stamped compact that has a prescribed chemical composition, and has a metal structure containing at least 90 vol% martensite, wherein the average grain diameter of the prior austenite grains is 3.0 µm or less, the stan...
|
|
WO/2023/162515A1 |
This method for producing a steel member includes: a carburizing step in which an austenitized steel member obtained by heating a steel member to at least an austenization completion temperature is subjected to carbon infiltration at a c...
|
|
WO/2023/155447A1 |
A high wear resistance steel for coal mining and a production method therefor. Chemical components and mass percentages are as follows: C: 0.15-0.30 %, Si: 0.20-0.50 %, Mn: 0.90-1.40 %, P ≤ 0.015 %, S ≤ 0.0020 %, Nb: ≤ 0.030 %, V: ...
|
|
WO/2023/153099A1 |
The present invention provides a steel sheet for hot pressing, the steel sheet being prevented from the generation of scales due to a coating layer and being reduced in adhesion of a metal to heating facilities, thereby preventing liquid...
|
|
WO/2023/151301A1 |
The present invention relates to the technical field of steel production. Disclosed are a wear-resistant steel and a production method therefor. The wear-resistant steel comprises the following chemical components in percentage by mass: ...
|
|
WO/2023/147719A1 |
The present invention relates to a protective gas supply and recycling method for a cold-rolling annealing furnace, which can comprise the following steps: S1. providing gas to protective gas storage tanks so as to enable each of the sto...
|
|
WO/2023/149085A1 |
Provided is energy-efficient, low-cost technology capable of supplying temperature-accurate hot air. A device comprising: a heat pump that preheats gas at a temperature lower than the preset temperature required for drying steel or a ste...
|
|
WO/2023/143290A1 |
Disclosed is a pipeline. The pipeline has, in the thickness direction, a corrosion-resistant layer and a base layer. The corrosion-resistant layer is at least located on an inner wall of the pipeline, and the corrosion-resistant layer, i...
|
|
WO/2023/139936A1 |
Provided is a crankshaft which has excellent fatigue strength and in which the formation of quenching cracks is suppressed. A crankshaft (10) comprising a pin portion (12) and a pin top portion (15), wherein: the pin portion (12) has a s...
|
|
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...
|
|
WO/2023/138595A1 |
The present invention discloses a pipeline, which has a corrosion-resistant layer and a base layer in the thickness direction, wherein the corrosion-resistant layer is at least located on the inner wall of the pipeline; and the corrosion...
|
|
WO/2023/134810A1 |
The invention relates to a steel alloy for a large rolling bearing component, having at least 0.17 to maximally 0.23 wt.% of carbon, at least 0.25 to maximally 0.5 wt.% of silicon, at least 0.65 to maximally 0.95 wt.% of manganese, maxim...
|
|
WO/2023/135981A1 |
This hot stamp molded article comprises a base steel material and a plating layer that is formed on the surface of the base steel material; the plating layer has a chemical composition that contains, in mass%, 0.000010% to 3.0% of Sc, mo...
|
|
WO/2023/135982A1 |
This plated steel sheet is provided with a steel substrate, a plating layer formed on the surface of this steel substrate, and an oxidized film formed on the surface of this plating layer. The chemical composition of the plating layer in...
|
|
WO/2023/135932A1 |
Provided is a steel sheet for hot pressing with which it is possible to lower the amount of diffusible hydrogen introduced in a hot pressing step without controlling the atmospheric dew point and which can yield a hot-pressed member havi...
|
|
WO/2023/134616A1 |
Disclosed is a pipeline, having a corrosion resistant layer and a base layer in a thickness direction. The corrosion resistant layer is at least located on the inner wall of the pipeline. In addition to Fe and inevitable impurities, the ...
|
|
WO/2023/134728A1 |
Disclosed in the present invention is copper-containing oriented silicon steel with good magnetic properties, the copper-containing oriented silicon steel comprising, in addition to not less than 90 wt% of Fe and inevitable impurities, t...
|
|
WO/2023/132350A1 |
A steel sheet for hot stamping which has a base material steel sheet having a prescribed chemical composition and a zinc plating layer formed on the surface of the base material steel sheet, wherein: the microstructure at a 1/4-depth pos...
|
|
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...
|
|
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...
|
|
WO/2023/132289A1 |
This steel sheet for hot stamping has a specific chemical composition, while having a metal structure that contains, in area%, 75% to 95% of ferrite, 5% to 25% of martensite, and a total of 0% to 5% of pearlite, bainite and cementite; th...
|
|
WO/2023/132349A1 |
This steel sheet for hot stamping has a base steel plate having a predetermined chemical composition and a zinc-based plating layer formed on the surface of the base steel plate, wherein the microstructure at the 1/4 depth position in th...
|
|
WO/2023/131913A1 |
A spray quenching system including a quench box configured to receive a part for quenching. The system may include mechanical arms disposed within the quench box and thermocouples disposed on the mechanical arms that may be moved to cont...
|
|
WO/2023/126507A1 |
The invention relates to a heavy plate and a thermomechanical handling method for a starting material, in particular a slab, for the production of the heavy plate consisting of a steel alloy. Optimum toughness values and yield ratio Rp0,...
|
|
WO/2022/172993A9 |
A hot-stamped molded body having: a chemical composition which contains, in mass%, C in the amount of 0.15-0.50%, inclusive, Si in the amount of 0.10-3.00%, inclusive, Mn in the amount of 0.10-3.00%, inclusive, P in an amount less than 0...
|
|
WO/2023/129793A1 |
A non-pneumatic tire includes a lower ring having a first diameter and an upper ring having a second diameter greater than the first diameter. The upper ring is substantially coaxial with the lower ring. The non-pneumatic tire further in...
|
|
WO/2023/129949A1 |
A process for heat treating a metal part wherein the metal part is heated to a through heat temperature which is between about the austenite start temperature and 100 °F below the melt point. The first surface layer of the metal part is...
|
|
WO/2023/127413A1 |
Provided is a Cu-Sn containing steel manufacturing method that enables high-temperature processing at a low cost without generating cracks on the surface of a Cu-Sn containing steel even in high-temperature processing using a heating fur...
|
|
WO/2023/126506A1 |
The invention relates to a heavy plate and a thermomechanical handling method for a starting material, in particular a slab, for the production of the heavy plate consisting of a steel alloy. According to the invention, in order to be ab...
|
|
WO/2023/126031A2 |
Disclosed is a method for preparing steel sheet strips via electro-hydrogen cooperation under microwave radiation, belonging to the technical field of ferrous metallurgy. The method, which has near-zero carbon emissions, comprises: prepa...
|
