Pressed structural element (embodiments) and method of its manufacturing, weldable structural element and method of its manufacturing

摘要

The invention relates to a fine structural bi-functional element (F), in particular a stretcher for aeronautic construction, comprising a foot (13) for fixing to a surface and a body (14), characterized in that said foot (13) is made from a weldable alloy, based on aluminium (B) and that said body (14) is made from a thermally-treated alloy based on aluminium (A).