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Aluminium as a material
WeightAluminium is a very light metal with a specific weight of2.7 kg/dm3, about a third that of steel. For example, the useof aluminium in vehicles reduces dead-weight and energyconsumption whle increasing load capacity.StrengthThe aluminium possesses good stress resistance, withtensile strength ranging from 70 up to 700 MPa dependingon the alloy and the manufacturing method.By using extruded profiles of appropriate alloy and with thecorrect cross-section, a strength comparable to that of steelstructures can be achieved.Modulus of elasticityThe modulus of elasticity (Young’s Modulus) of aluminiumis three times smaller than that of steel (E=70 GPa), whichmeans that the moment of inertia of the aluminium profilesshould be three times greater in order to achieve the samedeflection as that of a steel profile.FormingAluminium has a good formability - a feature, which iscompletely utilized in the extrusion process. Aluminium canbe cast, drawn and routed.MachiningAluminium is very easy to machine. Ordinary tools (sawsand drills) can be used for that purpose. Aluminium can beformed both in heated and cold state.JoiningAluminium parts can be joined by all common methods, suchas welding, brazing, adhesive bonding and riveting.Corrosion resistanceAluminium naturally generates a protective oxide coatingand is highly corrosion resistant. Different types of surfacetreatment such as anodizing, painting, or lacquering canfurther improve this property. It is particularly useful forapplications where protection and conservation are required..This layer can be further strengthened by surface treatmentsuch as anodizing or electrostatic powder coating
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Catalog alumium profile
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