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ALUMINIUMWERK UNNA AG
Germany
In the aluminium industry, the porthole extrusion process is the standard method for the production of extruded tubes and profiles. The process is limited to a number of aluminium alloys. However, most of the commercially available medium strength aluminium alloys such as EN AW-6060 or EN AW-6082 can be extruded by porthole extrusion.
Request for a quoteALUMINIUMWERK UNNA AG
Germany
Aluminiumwerk Unna AG is specialised in the production of Aluminium tubes. The Aluminium tubes are extruded on site using two possible methods. These are either Seamless extrusion or Porthole extrusion. It is quite simple to distinguish between the two extrusion methods. In seamless extrusion, a mandrel is positioned and fixed inside the extrusion die, creating the inner contour of the tube. In porthole extrusion, the mandrel is fixed and is supported by a number of integral bridges affixed to the outer portion of the extrusion die.
Request for a quoteRK ROSE+KRIEGER GMBH
Germany
RK tube connector – unbeatable variety Thanks to their simple clamping principle, the aluminium tube connectors enable the fast assembly of both round and square precision tubes. The huge diversity of this system is what makes it an attractive and cost-effective alternative to conventional welded connections. Our application expertise and the experience we have gained over several decades as a manufacturer of clamp connectors give you security for individual handling of RK tube connection systems. Connecting tubes with different diameters and cross sections to one another The cast aluminium or extruded aluminium tube connectors impress with good mechanical properties, a wide range of variants and optimum value for money. The Solid Clamps product range currently comprises clamp connectors with a diameter of 8-80 mm for round tubes and of 20-80 mm for square tubes. More than 170 basic types in over 400 different variations are available.
Request for a quoteALUMINIUMWERK UNNA AG
Germany
Seamless aluminium tubes can be ordered in all commercially available aluminium alloys in addition to high strength aluminium alloys which are required for more demanding applications. ALUnna has a number of extrusion presses equipped with mandrel piercing capability. This allows us to extrude a large range of extruded tubular dimensions from a number of different billet diameters. The size range for seamless extruded tubes ranges from 17 mm to 300 mm in diameter.
Request for a quoteALUMINIUMWERK UNNA AG
Germany
Depending on the application, tubes may require subsequent drawing following the extrusion process. Examples of this are: a requirement for a high degree of dimensional control and/or the need for tight tolerances, where the final outside diameter and/or wall thickness of the extruded tubes can only be achieved by subsequent cold drawing, where the final mechanical properties for non-heat treatable alloys are to be achieved by strain hardening (drawing) or where special requirements exist for the microstructure of the tubes.
Request for a quoteNOVELIS DEUTSCHLAND GMBH OHLER® - FLEXROHRE
Germany
Heat protection tubes are made by layering several kinds of aluminum alloy foil and other materials, such as fiberglass and plastic with corrugations. The excellent reflectivity of the aluminum alloy on the external surface reflects radiant heat, and its insulating power additionally serves to protect the aluminum flexible tube’s content from heat sources. These products have great flexibility but high dimensional stability, and they can be compressed or extended as required. They can also be fastened or mounted easily by crimping the end fittings.
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Extruded aluminium tubes - Import exportNumber of results
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