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Product Name AWS Chemical Composition Characteristics & Application
Z308 ENi-CI C≤2 Ni≥90 Pure nickel, excellent general properties. Used to weld thin cast iron part and repair welding machined surface, such as guided way of machine tool.
Z408 ENiFe-CI C≤2,Ni55 FeRem Iron nickel, high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron, such as cylinder cap.
Z508 ENiCu-B C0.4,Cu30 Ni65 Copper nickel, good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load.