Z122Fe iron cast iron electrode 
 Description: low carbon steel cast iron type electrode coating in order to dilute the carbon added to iron, welding technology, good crack resistance, can be AC ??and DC welding. Using cold welding welding welding process. Before welding shall be subject to 150 ℃ × 1h drying. Suitable for all kinds of gray cast iron welding of non-processed surface. Solder layer hardness: HB ≤ 350