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Aluminium brzaing and soldering materials
Silver based core brazing material
Cadmium-free silver brazing alloys
Copper/zinc brazing alloys
Cadmium-containing silver brazing alloys
Phos/copper and silver/phos/copper brazing alloys
Copper-Aluminum flux cored brazing filler metal
Brazing Fluxes

Aluminium brzaing and soldering materials


 

Aluminium base brazing filler metal is mainly used for brazing aluminium and aluminium alloy. AI-Si flux-cored wire are substituted for ordinary ER4047 wire, particularly for brazing aluminum parts in refrigeration、air-condition and automotive industry.

Attention:The residue such as grease,oxide etc on the surface and connection must be removed strictly before the brazing.

中国标准牌号
Chinese Standard
相当牌号
Equivalent Grade
化学成分(Wt%)
Composition
熔化温度范围(℃)
Melting Range
主要特性及用途
Characteristics and Application
产品样本牌号 AWS A5.8 Si Zn Cd AI 固相线
Solidus
液相线
Liquidus
B-AI88Si 料400 BAISi-4 11.0       ~       13.0  ___ ___ 余        rem. 577 582 流动性好,适用于小间隙接头,炉中或火焰钎焊铝及铝锰合金等。
B-AI67CuSi 料401 ___ 5.5         ~         6.5 Cu          27          ~          29  ___ 余       rem. 525 535 用途同料400,漫流性好,易于操作,接头抗蚀性低于用料400.
B-Zn80AI ___ ___ 80 ___ 20 415 485 具有良好的漫流性及填充间隙的能力,耐蚀性较好,适用于各种铝及铝合金的火焰钎焊。
S-Cd73Zn ___ ___ 27 73 ___ 266 275 流动性好,适用于铝及铝合金、铜及铜合金以及铝与铜等异种金属的软钎焊。
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