Hartlöt-Pulver

Shanghai Truer Technology Co,.LTD 

Hartlöt-Pulver

Brazing powders, including nickel based, copper based und 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 Gaszerstäubungsprozess 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

Artikel 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

Artikel Cu P Sn Ni Particle Size (um) Brazing Temperature (℃)
Cu93P7 93 7 / / 0-75um, 0-45um 743-840
Cu86P7Sn7 86 7 7 / 0-75um, 0-45um 700-750
Cu88Ni5Sn7 88 / 7 5 0-75um, 0-45um 890-900

Chemical Composition (wt%) - Al based

Artikel Al Si Mg Cu Zn Particle Size (um) Brazing Temperature (℃)
AlSi5 Bal 5 / / / 0-150um, 0-45um 575-630
AlSi8 Bal 8 / / / 0-150um, 0-45um 575-615
AlSi10 Bal 10 / / / 0-150um, 0-45um 575-590
AlSi12 Bal 12 / / / 0-150um, 0-45um 575-585
AlSi12Cu4 Bal 12 / 4 / 0-150um, 0-45um 520-585
AlSi10Mg Bal 10 1 / / 0-150um, 0-45um 555-590
AlSi12Mg Bal 12 1 / / 0-150um, 0-45um 559-579
AlSi10Zn3 Bal 10 / / 3 0-150um, 0-45um 576-588
AlSi12Zn3 Bal 12 / / 3 0-150um, 0-45um 576-609

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

Packing:

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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