Aluminum alloy sheet for battery lid use excellent in heat radiation ability, formability, and work softenability, which aluminum alloy sheet for battery lid use enabling formation of an integrated explosion-proof valve with little variation in operating pressure and excellent in cyclic fatigue resistance, and a method of production of the same are provided, the aluminum alloy sheet for battery lid use for forming an integrated explosion-proof valve having a component composition containing Fe: 1.05 to 1.50 mass %, Mn: 0.15 to 0.70 mass %, Ti: 0.002 to 0.15 mass %, and B: less than 0.04 mass %, having a balance of Al and impurities, having an Fe/Mn ratio restricted to 1.8 to 7.0, restricting, as impurities, Si to less than 0.40 mass %, Cu to less than 0.03 mass %, Mg to less than 0.05 mass %, and V to less than 0.03 mass %, having a conductivity of 53.0% IACS or more, having a value of elongation of 40% or more, having a recrystallized structure, having a value of (TS95−TS80) of less than −3 MPa when defining a tensile strength after cold rolling by a rolling reduction of 80% as TS80 and defining a tensile strength after cold rolling by a rolling reduction of 95% as TS95, and having a value of elongation after cold rolling by a rolling reduction of 90% of 5.0% or more. Furthermore, an average grain size of the recrystallized grains of the recrystallized structure is preferably 15 to 30 μm.

Method to produce metal strip that comprises the casting of a cast product through a casting machine provided with a crystallizer to obtain a slab, and the hot rolling of the slab in a rolling station to obtain metal strip. The casting machine, during casting, exerts an action of reducing the thickness of the cast product exiting the crystallizer.

A method for producing an ultra-low carbon steel product having a carbon concentration of 0.005% by mass or less includes, at least, a step of adjusting a carbon concentration of molten iron to obtain molten steel, a step of casting the molten steel into a slab, and a step of hot rolling the slab to obtain a hot-rolled steel sheet, in which the method further includes a width reduction step of performing width reduction on the slab with a reduction amount which is predetermined in accordance with the slab width in a direction orthogonal to the rolling direction of the slab.

The device and method for manufacturing metal clad plates in way of continuous casting and rolling provided by the present invention, combines the continuous casting, rolling and heat treatment methods used for single material production with the continuous and large-scale production method of composite strip, greatly improves the production efficiency of composite plates. The present invention can be used for producing single-sided or double-sided composite plates with different thickness specifications, wherein the base material or the composited material can be selected in a wide range, including carbon steel, stainless steel, special alloy steel, titanium, copper and the like. The invention realizes the production of composite plates by continuous casting and rolling, and reduces energy consumption and costs.

A plant to produce metal products, and a corresponding management method, where the plant includes a production line which includes a plurality of operating units, each provided with respective hydraulic circuits, selected from a melting unit, a casting unit, a rolling unit and a cooling treatment apparatus, and a water supply unit having a tank for the water connected to each of the hydraulic circuits and a plurality of water feed devices configured to feed water from the tank to respective hydraulic circuits.

A composite equal additive manufacturing method: S1, obtaining molten metal by using a metal smelting device; S2, first, storing inflow molten metal in an intermediate container, and then transferring the molten metal into a crystallizer; S3, cooling the molten metal to a solid-liquid mixed state by using the crystallizer, and enabling a high-temperature blank body with a required section to flow out from an outlet of the crystallizer; S4, arranging plastic forming tools at a bottom of the outlet of the crystallizer, and performing plastic forming on the outflow high-temperature blank body; S5, fixing a lower end of a part after the plastic forming and slowly descending the part by a chuck; S6, machining the part by using point forming machines, and synchronously controlling the machining temperature of the part; and S7, descending the chuck to an appropriate position, and taking the formed part out from the machine frame.

Provided herein are systems and methods for producing thick gauge aluminum alloy articles such as plates, shates, slabs, sheet plates or the like. A method for producing thick gauge aluminum alloy articles can include continuously casting an aluminum alloy article and hot or warm rolling the aluminum alloy article. Also provided herein is a continuous casting system for producing thick gauge aluminum alloy articles. The disclosed thick gauge aluminum alloy articles can be provided in any suitable temper.

Described herein are 6xxx series aluminum alloys with unexpected properties and novel methods of producing such aluminum alloys. The aluminum alloys are highly formable and exhibit high strength. The alloys are produced by continuous casting and can be hot rolled to a final gauge and/or a final temper. The alloys can be used in automotive, transportation, industrial, and electronics applications, just to name a few.

Method to obtain a continuous casting apparatus to cast, through the casting cavity of a crystallizer of a mold, a cast product with a polygonal cross section.

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.