AL-MG-MN WELD FILLER ALLOY

摘要

The present invention relates to a filler wire alloy composition comprising, in wt.%: Mg 6.0 to 9.5%, Mn 0.9 to 2.0%, Zn 0.2 to 0.9%, Zr = 0.3%, preferably 0.05 to 0.25%, Cr = 0.5%, Sc = 2.8%, Cu = 0.5%, preferably = 0.25%, Fe = 0.5%, Si = 0.5%, Ti = 0.3%, the balance aluminum and incidental elements and impurities. The invention further relates to a welded structure welded together with the present filler alloy and a method for constructing such a welded construction.