Constellium Singen Gmbh

Constellium Valais Sa

Constellium Automotive Usa, LLC

Constellium UK Limited

Martin Jarrett

Alexis Skubich

Matthias Kutscher

Frank Gensty

Julien Laye

Ivan Grbavac

Fabian Pfaender

Jochen Frank

Arnas Gerald Fitzner

Emmanuel Beslin

Paula Camean Queijo

Mehdi Ben Tahar

Roland Tirard-Collet

Panagiotis Patrinos

Marc Bertherat

The invention relates to an extruded product made of 6xxx aluminium alloy comprising 0.40-0.80 wt. % Si, 0.40-0.80 wt. % Mg, 0.40-0.70 wt. % Cu, up to 0.4 wt. % Fe, up to 0.30 wt. % Mn, up to 0.2 wt. % Cr, up to 0.2 wt. % V, up to 0.14 wt. % Zr, up to 0.1 wt. % Ti, up to 0.05 wt. % each impurity and total 0.15 wt. %, remainder aluminum, wherein the ratio Mg/Siis between 0.8 and 1.2 where Siis calculated according to the equation Si=Si−0.3*(Mn+Fe) where Si, Mn and Fe correspond to the content in weight % of Si, Mn and Fe of said 6xxx aluminum alloy and to the corresponding extruded product particularly suitable with a tensile yield strength higher than 280 MPa, and excellent crash properties. The invention also relates to the manufacturing process to obtain such extruded product.

6XXX aluminum alloy for extrusion with excellent crash performance and high yield strength and method of production thereof

The present invention relates to extrusions for structural components, such as bumper, side impact beam, seat sill in vehicles and more particularly to a method for optimizing strength and energy absorption of 6XXX aluminium alloys extrusions by variations in thermomechanical ageing (TMA) consisting in

Thermomechanical ageing for 6XXX extrusions

A manufacturing process for obtaining extruded products made from a 6xxx aluminium alloy, wherein the said manufacturing process comprises following steps:

Manufacturing process for obtaining high strength extruded products made from 6xxx aluminium alloys

The invention relates to a manufacturing process for obtaining 6xxx-series aluminium alloy solid extruded products, comprising Si: 0.3-1.7 wt. %; Mg: 0.1-1.4 wt. %, Cu: 0.1-0.8 wt. %, Zn 0.005-0.7 wt %, one or more dispersoid element, from the group consisting of Mn 0.15-1 wt. %, Cr 0.05-0.4 wt. % and Zr 0.05-0.25 wt. %, Fe at most 0.5 wt. %, other elements at most 0.05 wt. % the rest being aluminium, having particularly high mechanical properties, typically an ultimate tensile strength higher than 400 MPa, preferably 430 MPa, and more preferably 450 MPa without the need for a post-extrusion solution heat treatment operation. The invention also concerns a manufacturing process for obtaining a bumper system in which is integrated a towing eye, said towing eye being made with said high mechanical properties aluminium alloys.

Manufacturing process for obtaining high strength solid extruded products made from 6XXX aluminium alloys for towing eye

An aluminium alloy extruded product obtained by casting a billet from a 6xxx aluminium alloy comprising:

High strength products extruded from 6xxx aluminum alloys having excellent crash performance

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Oxfordshire, United Kingdom

Martin Jarrett