... general welding material with the magnesium of 5%,which can be used in jointing or overlay forging and casting alloys processing.And ... color-match in welding after anodic process.2. Product usage:Bicycles,aluminium sccoter,engine carriage,pressure vessel,armary processing,ship-building,space ... can do the packing as the instructions of customers. Aluminium welding wire ER5356