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WO/2019/036269A1 |
Systems and methods for heat treating closed shape workpieces are provided. In one example implementation, a method can include imparting relative motion of the closed shape workpiece such that the perimeter surface of the closed shape w...
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WO/2019/035329A1 |
The purpose of the present invention is to provide: a high strength stainless seamless steel pipe for oil wells, the high strength stainless seamless steel pipe having high strength (a yield strength of at least 862 MPa (125 ksi)), excel...
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WO/2019/026116A1 |
In a specific thickness range centering on ¼ of the thickness from the surface of the parent material steel sheet, the ferrite phase has a volume fraction of 0% to less than 50%, the total of hard structures comprising one or more of ba...
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WO/2019/026740A1 |
The purpose of the invention is to provide a roller scraper that can have a long service life. A roller scraper that removes deposits from a roller surface comprises a scraper body supported on a floor, and a scraping claw provided to ex...
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WO/2019/026113A1 |
In the range of 1/8 to 3/8 of the thickness, centering on 1/4 of the thickness, from the surface of a parent material steel sheet, the ferrite phase has a volume fraction of 50% to 97%, the total of hard structures comprising one or more...
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WO/2019/026738A1 |
As a result of having a component composition containing, in mass%, C: greater than 0.006% to 0.012%, Si: 0.02% or less, Mn: 0.10% to 0.60%, P: 0.020% or less, S: 0.020% or less, Al: 0.01% to 0.07%, and N: 0.0080% to 0.0200%, the balance...
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WO/2019/026106A1 |
Provided is a zinc hot-dipped steel sheet having a zinc hot-dipped layer on at least one side of the parent material steel sheet, characterized in that: the Fe content of the zinc hot-dipped layer exceeds 0% but does not exceed 3.0%, and...
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WO/2019/026739A1 |
Provided is a steel sheet which is for a crown cap and by which a crown cap can be manufactured, the steel sheet having a composition containing, by mass%, 0.0060%-0.0100% of C (exclusive of 0.0060%), at most 0.05% of Si, 0.05%-0.60% of ...
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WO/2019/026909A1 |
Provided is a method for manufacturing a steel component in which it is possible to easily manufacture a steel component having suitable surface hardness. A quenching/tempering step is performed at least once using steel that contains, i...
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WO/2019/020169A1 |
The invention relates to a sheet metal component and a method for producing sheet metal components of this type, which enables an energy saving in comparison with conventionally produced sheet metal components due to lower shaping temper...
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WO/2019/020575A1 |
The invention relates to a steel strip, sheet or blank for producing hot formed parts containing at least the following composition in weight %: C: 0.03 - 0.17, Mn: 0.65 - 2.50, Cr: 0.2 -2.0, Ti: 0.01 – 0.10, Nb : 0.01-0.10, B : 0.0005...
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WO/2019/017559A1 |
The present invention relates to a steel cord and a single steel wire having excellent straightness quality for reinforcing a tire and a method for manufacturing the same. The steel cord and the single steel wire having excellent straigh...
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WO/2019/015957A1 |
The steel wire has an equivalent diameter between 0.2 and 0.7 mm. The steel wire has a composition comprising between 0.7% and 1.1 % by weight carbon; between 0.5% and 1.2% by weight manganese; between 0.05% and 0.5% by weight silicon. T...
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WO/2019/016428A1 |
Described is a rotary bed-type electric furnace, comprising a rotary bed (1) configured to carry material (2), and a rotator (3) configured to rotate the rotary bed (1) so that material (2) carried on the rotary bed (1) passes through pe...
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WO/2019/017426A1 |
Provided is a non-oriented electromagnetic steel plate that contains, in the chemical composition thereof in terms of % by mass, 0.0015%-0.0040% C, 3.5%-4.5% Si, 0.65% or less Al, 0.2%-2.0% Mn, 0%-0.20% Sn, 0%-0.20% Sb, 0.005%-0.150% P, ...
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WO/2019/016490A1 |
Rolling support and guiding element (2) for a rail vehicle, comprising at least one upper portion forming the rolling surface, said portion being made from steel (1) having a composition comprising, in addition to Fe: - 0.15 ≤ C ≤ 0....
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WO/2019/016100A1 |
In a method for the thermochemical treatment of metal workpieces, process parameters are electronically recorded and assigned to the treated workpieces. A furnace for the thermochemical treatment of metal workpieces comprises a number of...
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WO/2019/016041A1 |
The invention relates to a coated flat steel product which is suitable for press hardening and which exhibits a particularly high degree of aging resistance and to a method for producing same. In addition to iron and unavoidable impuriti...
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WO/2019/011644A1 |
The present invention relates to a method for producing a steel component comprising a substrate and a covering, to a corresponding steel component and to the use thereof in the automotive sector.
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WO/2019/013347A1 |
This oriented electromagnetic steel sheet comprises a steel sheet 1, an intermediate layer 4 arranged on the steel sheet and containing Si and O, and an insulation film 3 arranged on the intermediate layer, wherein the intermediate layer...
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WO/2019/011519A1 |
The invention relates to a method for treating a metal strip (5), wherein the metal strip (5) is initially heat treated in a direct fired furnace (1) and then is further heat-treated further in a furnace (10) heated with radiant tubes. A...
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WO/2019/012002A1 |
This invention relates to a method for operating a continuous processing line comprising an annealing step for the production of continuously processed rolled steel strip using a computer aided dynamic property predictive control model.
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WO/2019/011650A1 |
The invention relates to a method and a device for the heat treatment of a metal component (1). The method comprises at least the following steps: a) heating the component (1) in a first furnace (2), b) setting a temperature difference b...
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WO/2019/013354A1 |
This oriented electromagnetic steel plate comprises a steel plate, an oxide film formed on the steel plate and containing SiO2, and a tension insulation film formed on the oxide film. As the chemical composition, the steel plate contains...
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WO/2019/013351A1 |
This oriented electromagnetic steel sheet has: a base metal steel sheet; a middle layer disposed over and in contact with the base metal steel sheet; and an insulation film disposed over and in contact with the middle layer and serving a...
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WO/2019/013353A1 |
This oriented electromagnetic steel plate is provided with a base material steel sheet, an intermediate layer arranged in contact with the base material steel sheet, and an insulating film arranged in contact with the intermediate layer ...
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WO/2019/013352A1 |
This oriented electromagnetic steel plate comprises a steel plate and an amorphous oxide film formed on the steel plate. As the chemical composition, the steel plate contains, in mass %, less than or equal to 0.085% C, 0.80-7.00% Si, les...
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WO/2019/011517A1 |
This invention concerns a method for treating a metal strip (5) in a directly fired furnace (1), through which the metal strip (5) is passed. The furnace (1) is directly heated by gas burners and has a non-heated region (7), through whic...
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WO/2019/013355A1 |
This oriented electromagnetic steel plate comprises a steel plate and an amorphous oxide film formed on the steel plate, and the glossiness of the surface is greater than or equal to 150%.
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WO/2019/009636A1 |
The purpose of one aspect of the present invention is to provide: a cold rolled steel sheet for a flux-cored wire, having excellent low temperature toughness, welding workability and processability; and a manufacturing method therefor. O...
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WO/2019/009677A1 |
The present invention relates to an advanced-high strength hot-rolled steel sheet, having tensile strength of 980MPa, and a method for manufacturing same, the method enabling enhanced surface quality, processability and weldability as we...
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WO/2019/009410A1 |
The hot-rolled steel sheet according to one embodiment of the present invention is configured such that: the steel sheet has a prescribed chemical composition; at a depth position 1/4 of the sheet thickness from the surface, the area rat...
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WO/2019/007240A1 |
A process for manufacturing SK5 spring steel for an automobile safety belt coil spring, comprising: treatment in a 100 t UHP electric furnace, treatment in an LF, treatment in a VD vacuum furnace, five-machine five-flow continuous castin...
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WO/2019/009675A1 |
The present invention relates to an advanced-high strength hot-rolled steel sheet, having tensile strength of 800MPa, and a method for manufacturing same, the method enabling enhanced surface quality, processability and weldability as we...
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WO/2019/002026A1 |
The invention relates to a method for producing a steel component by forming a flat steel product coated with an anti-corrosion coating and a steel component produced from a steel substrate coated with an anti-corrosion coating. The stee...
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WO/2019/004540A1 |
A method for manufacturing a hot-stamped steel according to an embodiment comprises the steps of: reheating a steel slab at a temperature of 1200 to 1250°C, the steel slab including, by wt%, 0.20 to 0.50% of carbon (C), 0.05 to 1.00% of...
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WO/2019/004541A1 |
Provided according to one aspect of the present invention is a steel material for a Taylor Welded Blank, which includes 0.04-0.06 wt% of carbon (C), 1.2-1.5 wt% of manganese (Mn), 0.01-0.10 wt% of titanium (Ti), 0.01-0.10 wt% of niobium ...
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WO/2019/003449A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that the average grain size of prior austenite crystal grains is 7.5 ...
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WO/2019/003542A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that the average grain size of prior austenite crystal grains is 7 µ...
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WO/2019/003538A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that the average grain size of prior austenite crystal grains is 8 µ...
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WO/2019/003727A1 |
Provided are a method for measuring the magnetic transformation rate of a steel plate in an annealing furnace, a device for measuring the magnetic transformation rate of the same, and a continuous annealing process and a continuous hot-d...
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WO/2019/003450A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that the average grain size of prior austenite crystal grains within ...
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WO/2019/003451A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that there are an average of 5 or more Ti-based deposits having a gra...
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WO/2019/003539A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that the average particle size of prior austenite crystal particles i...
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WO/2019/003540A1 |
Provided is a hot-press member that can have very high tensile strength such as TS: 1780 MPa or larger after hot pressing, and excellent crack resistance during resistance welding and delayed fracture resistance after resistance welding,...
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WO/2019/003447A1 |
In the hot-pressed member according to the present invention, after the component composition thereof is properly adjusted, the microstructure thereof is configured so that the average crystal grain size of prior austenite grains is 8 µ...
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WO/2019/004662A1 |
The present invention relates to a steel sheet having an excellent resistance to liquid metal embrittlement cracks and a method for manufacturing the same. An embodiment of the present invention provides a steel sheet having an excellent...
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WO/2019/003448A1 |
The hot-pressed member according to the present invention contains, as the component composition thereof in mass%, 0.28% to less than 0.42% C, 0.05% to 1.5% Si, 1.0% to 3.0% Mn, 0.05% or less of P, 0.005% or less of S, 0.01% to 0.50% Al,...
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WO/2019/002408A1 |
A cooling system for a wire-coating installation comprises: a supply unit (12) with a chamber (14) for a cooling fluid and a plurality of fluid outlets (16); and a plurality of spray heads (18) each equipped with one or more orifices (20...
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WO/2019/003445A1 |
Provided is a hot-press member that can have not only very high tensile strength after hot pressing but also excellent delayed fracture resistance and high tensile shear stress after resistance spot welding, the hot-press member being ob...
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