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Copper based filler metal is divided into four categories: high copper alloy, copper zinc alloy, copper phosphorus alloy and special copper alloy. ![]() Copper zinc alloy brazing filler metals are mainly used for gas flame brazing, high frequency brazing, salt bath immersion brazing, brazing copper, copper alloy, nickel steel, cast iron, hard alloy, etc. Cu-P alloy solder is based on Cu-P binary alloy and has good fluidity. Mainly used for brazing copper and copper alloy. Because of high phosphorus content, it can't be used for brazing steel, nickel and its alloy. The wettability of brazing filler metal will be greatly improved by adding silver into copper phosphorus alloy.
① Phos-Copper Brazing Alloys
② Phos-Copper-Silver Brazing Alloys
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