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  • Product name: Silver Copper Brazing Filler Metals

Applications and Features

Silver Copper alloy is a kind of silver-based solid solution, copper-based solid solution, or Ag-Cu based brazing filler metals. It has good properties, such as appropriate melting point, excellent wettability and ability to fill the clearances, high mechanical strength of brazing joints, good plasticity and electrical conductivity. It is applied to the brazing of ferrous metals and non-ferrous metals, such as copper alloys, titanium alloys, stainless steel, carbon steel and hard alloys. The product is used widely in the industries of refrigeration, lighting, machinery, electric appliance, instrument, tools and aerospace. Brazing with silver flux is necessary to get good brazing joint except vacuum brazing or protective atmosphere brazing.

 

银铜钎料产品型号及特性品种一览表

型号 化学成分(质量分数)/% 熔化温度范围/℃ 国外型号对照
Ag Cu Li Sn/In Ni 固相线 液相线
BAg50Cu 49~51 49~51 / / / 779 850  
BAg72Cu 71~73 27~29 / / / 779 779 BAg-8(AWS,JIS)
BAg60CuSn 59~61 29~31 / 9.5~10.5 / 600 730 BAg-18(AWS,JIS)
BAg56CuNi 55~57 41~43 / / 1.5~2.5 770 895 BAg-13a(AWS,JIS)
BAg56CuInNi 55~57 26.25~28.25 / 13.5~15.5 2.0~2.5 600 710  
BAg63CuSnNi 62~64 27.5~29.5 / 5.0~7.0 2.0~3.0 690 800 BAg-21(AWS,JIS)
注:上述型号的钎料可加工成不同规格和形状的焊条、焊环、圈丝、带材等产品