A continuous casting and rolling line for casting, rolling, and otherwise preparing metal strip can produce distributable metal strip without requiring cold rolling or the use of a solution heat treatment line. A metal strip can be continuously cast from a continuous casting device and coiled into a metal coil, optionally after being subjected to post-casting quenching. This intermediate coil can be stored until ready for hot rolling. The as-cast metal strip can undergo reheating prior to hot rolling, either during coil storage or immediately prior to hot rolling. The heated metal strip can be cooled to a rolling temperature and hot rolled through one or more roll stands. The rolled metal strip can optionally be reheated and quenched prior to coiling for delivery. This final coiled metal strip can be of the desired gauge and have the desired physical characteristics for distribution to a manufacturing facility.

A system for on-line measuring the thickness of a continuous casting billet and adjusting a rolling reduction amount, is capable of giving an accurate, constant and rapid feedback on the thickness of the billet in the continuous casting process online, avoiding the deviation of the rolling reduction amount of the billet in the continuous casting production process which is triggered by the factors such as the capacity of the continuous casting equipment, the execution deviation of the rolling reduction process, the metal solidification attribute such as non-preset expansion and contraction, so as to maximize the function of the continuous casting rolling reduction and improve the solidification quality of the billet.

The present invention relates to the technical field of extruding, rolling and drawing metal wire or rod with assistance of a combined static magnetic field, characterized by providing, in a moving direction of a metal wire or rod, a gradient static magnetic field generated by a combination of a permanent magnet and a steady electromagnet; and after a raw material for rolling the metal wire or rod is processed by the gradient static magnetic field, performing rolling extrusion and pulling on the material. For multiple passes of rolling extrusion and pulling, the static magnetic field processing is performed before each pass of rolling.

Mill rolls capable of rolling long kilometers used for ESP production line and a method for rolling long kilometers using the mill rolls. The mill rolls include rolls (3, 4), a bearing box (2) and a roll shifting hydraulic cylinder (1), wherein the middle portion of the surface of the roll sinks inwards, one end of the rolls is frustum-shaped, smaller and smaller outwards, so that the roll surface forms a compensation ramp, and the other end of the rolls is cylindrical. The upper roll (3) and the lower roll (4) have the same roll profile and are positioned in the opposite direction. The mill rolls are characterized by reduced runaway of the rolled product and a longer service life.

A continuous casting and rolling plant for the continuous production of steel bars or profiles, the plant comprising in sequence, along a processing line, a continuous casting machine adapted to cast a billet; a first cutting device; a second cutting device; a rolling train adapted to roll the billet; wherein the continuous casting machine comprises a crystallizer, and is adapted to cast the billet at least at a first casting speed v.sub.1 and at a second casting speed v.sub.2 greater than the first casting speed v.sub.1; wherein the first cutting device is arranged at a first distance from the crystallizer expressed in meters, along the processing line, calculated according to a specific mathematical relation.

A rolled steel sheet is provided. The rolled steel sheet has a mechanical strength greater than or equal to 600 MPa and an elongation at fracture that is greater than or equal to 20%. A a method for its fabrication is also provided. The chemical composition of the steel sheet includes 0.10C0.30%, 6.0Mn15.0%, 6.0Al15.0%, and optionally one or more elements selected from among: Si2.0%, Ti0.2%, V0.6% and Nb0.3%. The remainder of the composition includes iron and the unavoidable impurities resulting from processing. The ratio of the weight of manganese to the weight of aluminum is such that $\frac{\mathrm{Mn}}{\mathrm{Al}}>1.0.$
The microstructure of the sheet includes ferrite, austenite and up to 5% Kappa precipitates in area fraction.

A dual hardness steel article comprises a first air hardenable steel alloy having a first hardness metallurgically bonded to a second air hardenable steel alloy having a second hardness. A method of manufacturing a dual hard steel article comprises providing a first air hardenable steel alloy part comprising a first mating surface and having a first part hardness, and providing a second air hardenable steel alloy part comprising a second mating surface and having a second part hardness. The first air hardenable steel alloy part is metallurgically secured to the second air hardenable steel alloy part to form a metallurgically secured assembly, and the metallurgically secured assembly is hot rolled to provide a metallurgical bond between the first mating surface and the second mating surface.

A dual hardness steel article comprises a first air hardenable steel alloy having a first hardness metallurgically bonded to a second air hardenable steel alloy having a second hardness. A method of manufacturing a dual hard steel article comprises providing a first air hardenable steel alloy part comprising a first mating surface and having a first part hardness, and providing a second air hardenable steel alloy part comprising a second mating surface and having a second part hardness. The first air hardenable steel alloy part is metallurgically secured to the second air hardenable steel alloy part to form a metallurgically secured assembly, and the metallurgically secured assembly is hot rolled to provide a metallurgical bond between the first mating surface and the second mating surface.

The present invention relates to a production method of a copper-titanium (CuTi)-based copper alloy material and a copper alloy material produced therefrom. Thus, the copper alloy material has target yield strength, electrical conductivity, and bending workability and thus is applied to automobiles and electric/electronic parts requiring high performance.

The invention essentially is characterized in that downstream of the casting machine and upstream of the rolling device, in particular immediately behind shears for cutting the thin slab or the pre-strip, there is provided a scrap removal device, in particular a coiling device that winds the thin slabs or pre-strip into a coil which is removed from the installation as scrap. Therefore, the quality of the coil winding is not important as the wound then slab or pre-strip need not anymore be advanced to the rolling train. The resulting coil can be lifted with a forklift and bind during the emergency maintenance of the rolling train, without use of any personnel. No additional crane is required for scrap removal. In addition, no constructional measures, e.g., construction of a gravel pit for material cut by shears, are necessary.