Patent classifications
C21D11/005
TEMPERATURE-CONTROL UNIT FOR A FURNACE DEVICE FOR HEAT TREATING A PLATE
The present invention relates to a temperature-control unit for a furnace device for heat treating a plate, in particular a metal plate. The temperature-control unit has a temperature-control body, which is arrangeable in a furnace chamber of the furnace device. The temperature-control body has a plurality of receiving bores. Furthermore, the temperature-control unit has a plurality of temperature-control pins, wherein the temperature-control pins are mounted in the receiving bores movably relative to the temperature-control body. The temperature-control pins are controllable in such a way that a temperature-control group of the temperature-control pins is extendable from the temperature-control body in the direction towards the plate, so that a thermal contact between the temperature-control group of the temperature-control pins and a predetermined temperature-control zone of the plate is generatable.
Material property value estimating method, material property value estimating device, and steel-strip manufacturing method
A material-property-value estimating method of estimating a material-property-value of a target steel-strip product manufactured via at least one of a reheating process, a rolling process, and a cooling process, which are performed while a target material is being conveyed along a conveyance route, the material-property-value estimating method includes an estimating step of estimating a material-property-value of each of meshes dividing the target steel-strip product based on a measured value that has been measured once or more by a measuring device installed on the conveyance route, the measured value including at least a temperature of the target material; and a chemical composition per component of the target steel-strip product.
COOLING BAR AND COOLING PROCESS WITH VARIABLE COOLING RATE FOR STEEL SHEETS
A cooling device with variable cooling rate for treating metal materials, in particular for cooling steel sheets in plate mills, hot strip mills or thermal treatment lines, by means of a spray nozzle cooling system. The cooling device consists of at least two cooling bars one of each two cooling bars being situated on the lower side and the other on the upper side transversely to the sheet travel direction of the sheet and centrally between two roller table rollers and includes a spray nozzle cooling system with which a plurality of full jet nozzles and a plurality of full cone nozzles are associated, the full jet nozzles being arranged symmetrically to the full cone nozzles. A method for operating the cooling device according to the disclosure
HIGH PERMEABILITY SOFT MAGNETIC ALLOY AND METHOD FOR THE PRODUCTION OF A HIGH PERMEABILITY SOFT MAGNETIC ALLOY
A soft magnetic alloy is provided. The soft magnetic alloy consists essentially of 5 wt %Co25 wt %, 0.3 wt %V5.0 wt %, 0 wt %Cr3.0 wt %, 0 wt %Si3.0 wt %, 0 wt %Mn3.0 wt %, 0 wt %Al3.0 wt %, 0 wt %Ta0.5 wt %, 0 wt %Ni0.5 wt %, 0 wt %Mo0.5 wt %, 0 wt %Cu0.2 wt %, 0 wt %Nb0.25 wt % and up to 0.2 wt % impurities.
HIGHLY-PERMEABLE SOFT-MAGNETIC ALLOY AND METHOD FOR PRODUCING A HIGHLY-PERMEABLE SOFT-MAGNETIC ALLOY
A soft magnetic alloy is provided. The soft magnetic alloy consists essentially of 5 wt %Co25 wt %, 0.3 wt %V5.0 wt %, 0 wt %Cr3.0 wt %, 0 wt %Si3.0 wt %, 0 wt %Mn3.0 wt %, 0 wt %Al3.0 wt %, 0 wt %Ta0.5 wt %, 0 wt %Ni0.5 wt %, 0 wt %Mo0.5 wt %, 0 wt %Cu0.2 wt %, 0 wt %Nb0.25 wt % and up to 0.2 wt % impurities.
Coolant spray module system for heat treated metal product
Provided is a coolant spray module system for a heat treatment metal product, comprising: a first coolant spray module (1A), wherein the first coolant spray module (1A) comprises a first module housing (10), a first module cover (20), and a first nozzle (30), wherein the first nozzle (30) is fixed between the first module housing (10) and the first module cover (20) by first nozzle fixing blocks (13) and second nozzle fixing blocks (23), wherein the coolant spray module system sprays the coolant onto the heat treatment metal product to quench and clean the heat treatment metal product.
TEMPERATURE CONTROL STATION FOR PARTIALLY THERMALLY TREATING A METAL COMPONENT
Disclosed is a tempering station for the partial heat treatment of a metal component, the station including a processing plane arranged in the tempering station, at least one nozzle, aligned to the processing plane, for discharging of a fluid flow for the cooling of at least a first sub-area of the component, and at least one nozzle box, arranged above the processing plane. The at least one nozzle box forms at least one nozzle area in which the at least one nozzle is at least partially arrangeable and/or which at least partially delimits a propagation of the fluid flow, with the at least one nozzle box being at least partially formed with a ceramic material. The tempering station permits a sufficiently reliable thermal delimitation of heat treatment measures partially acting on the component and/or a sufficiently reliable thermal separation of different heat treatment procedures partially acting on the component.
METHOD FOR MONITORING QUALITY OF HOT STAMPED COMPONENTS
A controller alters a cycle time of a die arrangement, configured to hot stamp metal into components and having an active cooling system, based on an amount of heat transferred from the components to the active cooling system such that a grain structure of the components transitions from an austenitic state to a martensitic state.
Method for producing hot-formed steel springs
A process for producing a spring or torsion bar from a steel wire by hot forming may involve providing a steel wire; thermomechanically forming the steel wire; cooling the steel wire thermomechanically; cutting the steel wire to length to give rods; heating the rods; hot forming the rods; and tempering the rods to give a spring or torsion bar, comprising quenching the rods to give a spring or torsion bar to a first cooling temperature, reheating the spring or torsion bar to a first annealing temperature, and cooling the spring or rod to a second cooling temperature. Further, in some examples, the cooling of the steel wire may be cooled to a temperature below a minimum recrystallization temperature such that at least a partly ferritic-pearlitic structure is established in the steel wire.
COOLING APPARATUS FOR METAL STRIP AND CONTINUOUS HEAT TREATMENT FACILITY FOR METAL STRIP
A cooling device for a metal plate includes a plurality of first nozzles and a plurality of second nozzles disposed on both sides of the metal plate, respectively, in a thickness direction of the metal plate across a pass line of the metal plate. The plurality of first nozzles form a staggered array in which a pitch in a width direction of the metal plate is Xn, a pitch in a longitudinal direction of the metal plate is Yn, and an offset amount in the width direction of a pair of first nozzles disposed adjacent to each other in the longitudinal direction is Xn. The plurality of second nozzles form a staggered array in which a pitch in the width direction is Xn, a pitch in the longitudinal direction is Yn, and an offset amount in the width direction of a pair of second nozzles disposed adjacent to each other in the longitudinal direction is Xn. The staggered array of the first nozzles and the staggered array of the second nozzles are disposed offset from each other such that, a center of the second nozzle is at a position offset by a shift amount S from a center of the first nozzle in the width direction, and the center of the second nozzle is positioned in a region defined by an oval having a semi-axis of Xn/4 in the width direction and a semi-axis of Yn/3 in the longitudinal direction. The shift amount S is expressed by S=mXn/2, where m is an odd number such that S is closest to Xn/2.