Feature: Six spools of Premium ER5356 Aluminum MIG welding wire AWS Classification: ER5356 1LBS weight of Aluminum wire. 3/64" (1.2mm) wire diameter. 4" spool for MIG welding.Element Content (wt%) in Product: Si=0.25; Fe=0.4; Cu=0.1; Mn=0.1; Mg=5.0; Cr=0.15; Zn=0.1; Ti=0.12; Al=balanceER5356 is a general-purpose, all-position aluminum welding rod used to weld 5000 series aluminum base metals. It has relatively high shear strength as well as excellent corrosion resistance to salt water. .