Aluminum alloy welding wire er4047 This is a type of aluminum alloys wires containing approximate 12% silicom, which can be adopted in welding all kinds of forging and casting or extruded shape aluminum alloys. And it has advantages of low melting point and good fluidity which avoides the distortion after welding Mig-wires(mm)í¡0.8;0.9;1.0;1.2;1.6;2.0;2.4 Tig-rods(mm)í¡1.6;2.0;2.4;3.2;4.0;5.0;6.0