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Silver-based brazing paste

Silver solder paste is made of silver or silver-based solid solution alloy solder powder with active flux and binder independently developed by Fujing. According to customer products, Fujing trace elements can be added to further improve the welding strength and Welding reliability.
This series of silver solder has excellent process performance, low melting point, good wettability and joint filling performance, corrosion resistance, low resistivity, and high mechanical strength. Can be welded (except aluminum, titanium, magnesium) most non-ferrous and ferrous metal materials. It is widely used in the fields of medium and low voltage electrical appliances, refrigeration accessories, automotive electronics, super hard tools, etc. It is a type of brazing paste with extremely wide applications.
Product serial number
Product description
Parameters

Silver-based solder paste

Element/wt.% Melting range/℃ applicability
Ag Cu Zn Sn Trace elements
FK-Ag5CuZn 4.5~5.5 54.0~56.0 38.0~42.0 - 0.0~2.0 820~870

Welding copper, copper alloy, etc.

FK-YAg15CuZnSn 14.5~15.5 42.0~45.0 38.0~42.0 1.0~1.5 0.0~3.5 695~790

Low silver content, high welding strength,
can weldcopper, copper alloy, silver alloy,
bimetal, etc.

FK Ag25CuZnSn 24.0~26.0 39.0~41.0 31.0~35.0 1.5~2.5 0.0~2.0 680~760

Can weld copper, copper alloy, silver alloy,
bimetal, cemented carbide, etc.

FK-Ag30CuZnSn 29.0~31.0 35.0~37.0 30.0~34.0 1.5~2.5 0.0~2.0 665~755
FK-Ag40CuZnSn 39.0~41.0 29.0~31.0 26.0~29.0 2.0~3.0 0.0~3.0 650~710

Low melting point, good fluidity, suitable
for brazingcopper, copper alloy, silver alloy,
bimetal, stainlesssteel, carbon steel, hard
alloy; suitable for resistancewelding, induction
welding, flame welding, ammonia
decomposition atmosphere furnace welding, etc.

 

FK-Ag45CuZnSn 44.0~46.0 26.0~28.0 23.5~27.5 2.0~3.0 0.0~3.0 640~680
FK-Ag50CuZn 49.0~51.0 33.0~35.0 14.0~17.0 - - 690~775
FK-Ag56CuZnSn 55.0~57.0 21.0~23.0 15.0~19.0 4.5~5.5 4.5~5.5 620~655
FK-Ag60CuZnSn 59.0~60.0 22.0~24.0 12.0~16.0 2.0~3.5 2.0~3.5 620~685
FK-Ag65CuZn 64.0~660 19.0~21.0 13.0~17.0 - - 670~720
We could not find any corresponding parameters, please add them to the properties table
广硕泵业科技

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Mail: Firmkim@cn-huaguang.com
Post code: 311112
Add: No. 82, Qihang Road, Renhe Street, Yuhang District, Hangzhou City, Zhejiang Province

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