铸 铁 Z 308 EZNi Pure nickel excellent general properties. Used to weld thin cast iron part and repair welding machined surface such as guided way of machine tool. 纯镍，综合性能好。铸铁薄件及加工面补焊用，如机床导卫 ENi-Cl Z 408 EZNiFe Iron nickel high strength and excellent ductility. Repair welding of important gray cast iron and nodular cast iron such as cylinder cap. 镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖 ENiFe-Cl Z 508 EZNiCu-1 Copper nickel good machinability and bad crack resistance. Repair welding of sand hole and gray cast iron machined surface subject to no load. 镍铜，易加工，但抗裂性较差。不受力的灰铸铁加工面及砂眼补焊 ENiCu-B Copper alloys 铜 合 金 Cu 107 ECu Red copper atmosphere and sea water corrosion and excellent electric conductivity.