The silver brazing alloys are used for soldering with ferrous metals, copper and copper alloys, nickel and nickel alloys, and special metal such as tungsten carbide. In part, a variety of composite alloys have different characteristics which depend on the proportion of silver. Generally, the alloys contain a high proportion of silver will lower the melting temperature; they become whiter which unlike the brass color. The fluid property of the alloy will also be improved during soldering process.
Silver alloys with Nickel or Manganese can solve the difficulty of brazing on Tungsten carbides.Tri-foil products with nickel & manganese containing for brazing large size of Tungsten carbides onto steel. It can help to absorb and relieve the internal stresses caused by the different coefficient of expansion, which exists between the tungsten carbide and the base material, thus to prevent cracking.
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