What welding machine is used for welding pig iron?
DC welder (silicon rectifier, or rotor), can not be exchanged for electrode, adhesion, now generally used in welding inverter, if not trade with 506 welding to replace the cast iron electrode, but must avoid cracking heating and slow cooling
It is not important to use any welding machine for welding pig iron. AC and DC welding machines are availableThe key is to use what welding rod and welding process measures
Direct current welding machine with cast iron welding rod.
