AlcoTec Weld Filler Wire 5556 is a non-heat-treatable wire with very high strength capabilities. The principal alloying elements are magnesium, manganese, chromium, and titanium. This datasheet provides information on composition, physical properties, tensile properties, and shear strength. It also includes information on corrosion resistance as well as joining. Filing Code: AL-378. Producer or source: AlcoTec Wire Corporation.