Hydro Aluminium Rolled Products Gmbh

Hydro Aluminium Deutschland Gmbh

Hydro Aluminum Rolled Products Gmbh

Hydro Aluminium Deutschalnd Gmbh

Henk-Jan Brinkman

Bernhard Kernig

Olaf Engler

Dietmar Schröder

Thomas Hentschel

Thomas Wirtz

Natalie Hörster

Natalie Horster

Gerd Steinhoff

Eike Brünger

Dietmar Schroder

Kathrin Eckhard

Jochen Hasenclever

Kai-Friedrich Karhausen

Gernot Nitzsche

Manfred Mrotzek

Christoph Settele

Werner Kehl

Stefan Keller

Holger Aretz

Frank Hirschmann

Eike Brunger

Werner Droste

Simon Miller-Jupp

Réginald Dupuis

Arve Sund

Olaf Dr Engler

Eike BRÜNGER

Ulrich Rudat

Reginald Dupuis

Eike Bruenger

Dietmar Schroeder

Provided is a method for producing an aluminium alloy strip from a non-precipitation-hardenable aluminium alloy having the following alloying constituents in wt %: 3.6%&#x2264;Mg&#x2264;6%, Si&#x2264;0.4%, Fe&#x2264;0.5%, Cu&#x2264;0.15%, 0.1%&#x2264;Mn&#x2264;0.4%, Cr&#x2264;0.05%, Zn&#x2264;0.20%, Ti&#x2264;0.20%, with the remainder Al and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %. In the method, a rolling ingot is cast. The rolling ingot is homogenised and then hot rolled into a hot strip. Then, the strip is cold rolled before a last intermediate annealing. The intermediate annealing is carried out to produce a recrystallised microstructure. The intermediate-annealed aluminium alloy strip is cold rolled to a final thickness, and the aluminium alloy strip is reverse annealed in the coil to a final thickness.

High-strength and easily formable AlMg-strip, and method for producing the same

A method for producing aluminum strips for lithographic printing plate supports, wherein the aluminum strip is produced from a rolling ingot, which after optional homogenizing is hot-rolled to a thickness of 2 mm to 7 mm and cold-rolled to a final thickness of 0.15 mm to 0.5 mm provides for an aluminum strip having a thickness of 0.15 mm to 0.5 mm and a printing plate support produced from the aluminum strip.

Aluminum strip for lithographic printing plate carriers and the production thereof

The invention relates to a strip or sheet consisting of an aluminium alloy having a unilateral or bilateral surface structure prepared for a forming process, in particular it relates to a strip or sheet for formed motor vehicle components. The object of providing an aluminium alloy strip or sheet having a surface structure prepared for a forming process, which is easy to produce and has improved tribological characteristics in respect of a subsequent forming process, is achieved for a strip or sheet consisting of an aluminium alloy in that the strip or sheet has on one side or on both sides a surface with depressions as lubricant pockets which are produced using an electrochemical graining process.

Aluminium alloy sheet optimised for forming

The invention relates to an aluminium alloy for the production of lithographic printing plate supports and also to an aluminium strip produced from the aluminium alloy, a process for the production of the aluminium strip and also its use for the production of lithographic printing plate supports. The object of providing an aluminium alloy as well as an aluminium strip from an aluminium alloy that permits the production of printing plate supports having improved bending-strength fatigue transverse to the rolling direction without adversely affecting the tensile strength values before and after the annealing process and while preserving the roughening properties, is achieved by the fact that the aluminium alloy contains the following alloy components in weight percent:

Aluminium strip for lithographic printing plate supports with high flexural fatigue strength

The invention relates to a strip consisting of an aluminium alloy for providing adhesive connections. In addition, the invention relates to a method for producing a strip having a one or two-sided surface structure which consists of an aluminium alloy, at least provided in certain areas and prepared for an adhesive connection, and also relates to a corresponding adhesive connection. The object of providing an aluminium alloy strip optimised for adhesive connections, which has optimised surface properties for ageing-resistant adhesive connections, on the one hand, and which can be cost-effectively produced in a way which is reliable in terms of the process, on the other hand, is achieved for a strip consisting of an aluminium alloy for providing adhesive connections by the strip at least in areas having a surface structure prepared for adhesive connections, wherein the surface structure has depressions which were produced using an electrochemical graining process.

Aluminium alloy strip for adhesive connection

The invention relates to a method for producing a strip made of an AlMgSi alloy in which a rolling ingot is cast of an AlMgSi alloy, the rolling ingot is subjected to homogenization, the rolling ingot which has been brought to rolling temperature is hot-rolled, and then is optionally cold-rolled to the final thickness thereof. The problem of providing a method for producing an aluminum strip made of an AlMgSi alloy and an aluminum strip, which has a higher breaking elongation with constant strength and therefore enables higher degrees of deformation in producing structured metal sheets, is solved in that the hot strip has a temperature of no more than 130&#xb0; C. directly at the exit of the last rolling pass, preferably a temperature of no more than 100&#xb0; C., and the hot strip is coiled at that or a lower temperature.

AlMgSi strip for applications having high formability requirements

The invention relates to an aluminium alloy strip composed of an AA 5xxx-type aluminium alloy containing at least 4 wt. % of Mg in addition to Al and inevitable impurities. The object of the invention of proposing an aluminium alloy strip in an AlMg aluminium alloy strip which is resistant to intercrystalline corrosion despite having high strength and an Mg content of at least 4 wt. %, is achieved according to a first teaching of the present invention by an aluminium alloy strip that has a recrystallized microstructure, the grain size (GS) of which in &#x3bc;m has the following relation to the Mg content (c_Mg) in wt. % : GS&#x2265;22+2*c_Mg, and wherein the aluminium alloy of the aluminium alloy strip has the composition described herein.

Intercrystalline corrosion-resistant aluminium alloy strip, and method for the production thereof

An aluminium alloy for producing semi-finished products or components for motor vehicles is provided, wherein the alloying components of the aluminium alloy have the following contents in percent by weight: Fe&#x2264;0.80%, Si&#x2264;0.50%, 0.90%&#x2264;Mn&#x2264;1.50%, Mg&#x2264;0.25%, Cu&#x2264;0.125%, Cr&#x2264;0.05%, Ti&#x2264;0.05%, V&#x2264;0.05%, Zr&#x2264;0.05%, the remainder being aluminium, unavoidable impurity elements, individually &#x3c;0.05%, in total &#x3c;0.15%, and the combined content of Mg and Cu satisfies the following relation in percent by weight: 0.15%&#x2264;Mg+Cu&#x2264;0.25%, wherein the Mg content of the aluminium alloy is greater than the Cu content of the aluminium alloy. A method for producing an aluminium alloy strip from such an aluminium alloy and an aluminium alloy strip produced by this method are also provided, as well as uses thereof.

Aluminum alloy for producing semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip from said aluminium alloy, and aluminium alloy strip and uses therefore

The invention relates to a strip consisting of an aluminum material for producing components with improved bending behavior and exacting shaping requirements, a method for producing the strip and the use of sheets produced from the strip according to the invention. The strip has a core layer of an AlMgSi alloy and at least one outer aluminum alloy layer arranged on one or both sides, made from a non-hardenable aluminum alloy, wherein the at least one outer aluminum layer has a lower tensile strength in the (T4) state than the AlMgSi layer, wherein the strip has a uniform strain (A) in the (T4) state of more than 23% transverse to the rolling direction and, at a thickness of 1.5 mm-1.6 mm, achieves a bending angle of less than 40&#xb0; in a bending test.

Aluminium composite material with AlMgSi core layer

The invention relates to a method for forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium alloy layer provided on one or both sides has a yield strength Rof 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminium alloy sheet metal parts, in particular also in outer skin quality.

Aluminum composite material and forming method

The invention relates to an aluminium alloy, the use of an aluminium alloy strip or sheet and a method for producing an aluminium alloy strip or sheet. An aluminium alloy which has only a slight tendency towards intercrystalline corrosion and which at the same time provides high levels of strength and good deformability and which contains standard alloy components so that the recycling of the aluminium alloy is simplified is provided herein.

Aluminium alloy which is resistant to intercrystalline corrosion

An aluminum alloy for the manufacture of semi-finished products or components of motor vehicles, a method for the manufacture of a strip made of an aluminum alloy according to the invention, a corresponding aluminum alloy strip or sheet as well as a structural component of a motor vehicle consisting of an aluminum alloy sheet which includes the following alloy components in % by weight: 0.6%&#x2264;Si&#x2264;0.9%, 0.6%&#x2264;Fe&#x2264;1.0%, Cu&#x2264;0.1%, 0.6%&#x2264;Mn&#x2264;0.9%, 0.5%&#x2264;Mg&#x2264;0.8%, Cr&#x2264;0.05%, the remainder Al and impurities, individually up to a maximum of 0.05% by weight, in total up to a maximum of 0.15% by weight.

Highly formable, medium-strength aluminium alloy for the manufacture of semi-finished products or components of motor vehicles

An aluminum strip for lithographic printing plate supports, from which printing plate supports can be produced with an improved roughenability and at the same time improved mechanical properties, particularly after a burn-in process, is formed of an aluminum alloy which has the following proportions of alloy constituents in wt. %: 0.05%&#x2266;Mg&#x2266;0.3%, 0.008%&#x2266;Mn&#x2266;0.3%, 0.4%&#x2266;Fe&#x2266;1%, 0.05%&#x2266;Si&#x2266;0.5%, Cu&#x2266;0.04%, Ti&#x2266;0.04%, inevitable impurities individually max. 0.01%, in total max. 0.05% and remainder Al.

Aluminum strip for lithographic printing plate supports

The invention relates to a method for forming an aluminum composite material which has a core alloy made from an aluminum alloy of type AA5xxx or AA6xxx and at least one outer aluminum alloy layer provided on one or both sides, wherein the aluminum composite material is formed and the outer aluminum alloy layer provided on one or both sides has a yield strength Rof 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminum alloy sheet metal parts, in particular also in outer skin quality.

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Bonn, Germany

Henk-Jan Brinkman