For the welding of thin cast iron or cast iron part need be machined, such as cylinder cover, engine bearer, gear box, machine tool guide.
Characteristics:
THZ308 is cast iron electrode made by graphite type coating and pure-Ni core rod. Can be weld by AC or DC and not need preheating when welding. Excellent crack resistance ability and machining performance of welding metal.
Attention:
1. The electrode must be re-dry by 140℃-160℃ for 1 hour before welding.
2. To avoid the crack, hammer the welding pass as soon as after welding is be suggested.
