Z 508铝合金焊丝Z 508铝合金焊丝 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-BCu 107铝合金焊丝Cu 107铝合金焊丝 ECu Red copper, atmosphere and sea water corrosion and excellent electric conductivity. Welding of red copper such as electrical copper row.紫铜，耐大气，海水腐蚀，导电性好。紫铜焊接用，如导电铜排ECuCu 20铝合金焊丝Cu 20铝合金焊丝7 ECuSi Silicon bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.硅青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用ECuSiCu 227铝合金焊丝Cu 227铝合金焊丝 ECuSnB Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass.锡磷青铜，耐蚀、强度高。铜、硅青铜及黄铜焊接用ECuSn-CCu 237铝合金焊丝Cu 237铝合金焊丝 ECuAl Aluminum bronze, wear and corrosion and high strength. Welding or surfacing of copper alloys.铝青铜，耐磨、耐蚀，强度高。铜合金焊接或堆焊用ECuAl-A2
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