Brazing Powder

Brazing powders, including nickel based, copper based and aluminium based alloy powders.

Comparable with Cu based and Al based brazing powders, Ni based brazing powders has better high temperature performance and high thermal conductivity, and corrosion resistance suitable for marine or chemical industry electronics, but higher melting points requiring higher soldering temperatures. 

Nickel based brazing powders are applied in vacuum brazing and gas protection brazing of various carbon steels, stainless steels, super alloys and tungsten carbides.

Copper based brazing powder is applicable to all kinds of flame brazing, resistance brazing, high-frequency brazing and furnace brazing between various copper and copper alloys.

Aluminium based brazing powder is suitable for the welding of aluminium-stainless steel, aluminium-aluminium.

Our brazing powders are produced by gas atomization process with spherical morphology. Particle size can be customized as per customer requirements.

Morphology of CuNi5Sn7 Powder
Morphology of CuNi5Sn7 Powder
Morphology of AlSi10Mg Powder
Morphology of AlSi10Mg Powder
Morphology of BNi-5 Powder
Morphology of BNi-5 Powder

Chemical Composition (wt%) - Ni based

Item Ni Cr B Si Fe C P Mn Cu
BNi-1 Bal 14 3.1 4.5 4.5 0.7 / / /
BNi-2 Bal 7 3.1 4.5 3 / / / /
BNi-3 Bal / 2.9 4.5 0.5 / / / /
BNi-4 Bal / 2.0 3.5 1.5 / / / /
BNi-5 Bal 19 / 10 / / / / /
BNi-6 Bal / / / / / 11 / /
BNi-7 Bal 14 / / / / 10 / /
BNi-8 Bal / / 7 / / / 23 4.5

Chemical Composition (wt%) - Cu based

ItemCuPSnNiParticle Size (um)Brazing Temperature (℃)
Cu93P7937//0-75um, 0-45um743-840
Cu86P7Sn78677/0-75um, 0-45um700-750
Cu88Ni5Sn788/750-75um, 0-45um890-900

Chemical Composition (wt%) - Al based

ItemAlSiMgCuZnParticle Size (um)Brazing Temperature (℃)
AlSi5Bal5///0-150um, 0-45um575-630
AlSi8Bal8///0-150um, 0-45um575-615
AlSi10Bal10///0-150um, 0-45um575-590
AlSi12Bal12///0-150um, 0-45um575-585
AlSi12Cu4Bal12/4/0-150um, 0-45um520-585
AlSi10MgBal101//0-150um, 0-45um555-590
AlSi12MgBal121//0-150um, 0-45um559-579
AlSi10Zn3Bal10//30-150um, 0-45um576-588
AlSi12Zn3Bal12//30-150um, 0-45um576-609

Detailed test data are reported in Certificate of Analysis for each order.

Packaging

TRUER powders are available in 1, 2, 5, 10 and 25kg packages, or required, packed by plastic bottle filled with inert gas or vacuum.

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