... 8Zn-3Bi ,used manual soldering 4.lead free type 5. SGS approve solder material details :welding ... phase temperature(Melting moint):about 227oCLine diameter:0.6mm,0.8mm,1.0mm,1.2mm,1.5mm, ... called 'hard soldering', 'silver soldering', or brazing. How to chose solder1.Select the solder composition. First choose between leaded ... of the solder wire, from between 0.01 inch (0.25 mm) to 0.125 inch (3.25 mm). ...