Abstract: The invention relates to an aluminium composite material having at least one core layer of an aluminium core alloy and at least one corrosion protection layer arranged on the core layer. The aluminium composite material has improved corrosion resistance, in particular avoids coarse detachments under corrosive conditions, through use of a corrosion protection layer with the following composition in wt %: Si?0.10%, Fe?0.6%, Cu?0.2%, 0.9%?Mn?1.2%, Mg?0.10%, Cr?0.3%, Zn?0.1%, Ti?0.1%, the rest Al and unavoidable impurities, individually at most 0.05%, in total at most 0.15%. The invention furthermore relates to a method for producing an aluminium composite material, a use as well as a heat exchanger or a component of a heat exchanger.

Abstract: Provided is a heat exchanger, in particular for motor vehicles, with at least one exchanger tube of an aluminium alloy and with at least one component connected fluidically to the exchanger tube, wherein the exchanger tube and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component connected to the exchanger tube has a core layer of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9-1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium.

Abstract: The invention relates to a heat-resistant aluminium alloy for heat exchangers, a method for producing an aluminium strip or sheet for heat exchangers, and a corresponding aluminium strip or sheet. The aim of the invention is to provide an aluminium alloy and an aluminium strip or sheet which has a good recycling capacity, a Solidus temperature of at least 620° C., and an improved heat-resistance after welding. To this end, the inventive aluminium alloy comprises the following parts of alloy constituents in wL %: 0.3%?Si?1%, Fe?0.5%, 0.3%?Cu?0.7%, 1.1%?Mn?1.8%, 0.15%?Mg?0.6%, 0.01%?Cr?0.3%, Zn?0.10%, Ti?0.3%, unavoidable impurities separately representing a maximum of 0.1%, and together a maximum of 0.15%, the remainder being aluminium.