ASSEMBLY OF AN ALUMINUM COMPONENT AND OF A PRESS HARDENED STEEL PART HAVING AN ALLOYED COATING COMPRISING SILICON, IRON, ZINC AND MAGNESIUM, THE BALANCE BEING ALUMINUM

An assembly of an aluminum-based part and a press hardened steel part provided with an alloyed coating including in weight percent, 0.1 to 15.0% silicon, 15.0 to 70% of iron, 0.1 to 20.0% of zinc, 0.1 to 4.0% of magnesium, the balance being aluminum, on at least one of the surfaces thereof placed so as to be in contact with the aluminum-based part.