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Brazing Alloys and Fluxes

644 bytes added, 16:37, 26 November 2013
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Since the residues of fluxes are hygroscopic and can cause corrosion they have to be removed completely after the brazing process in very hot or boiling water. Depending on the type and process used, fluxes are being applied in liquid form or as powders or pastes.
Table {| class="simpletable" style="text-align: left; width: 100%;|+ 4.2: Fluxes for the Brazing of Heavy Metals|Designation|DIN EN 1045|Designation US (similar)|Active temperature range [°C]|Chemical ingredients|Base materials used for|-|TYP FH 10|FB 3-A|550 - 800|Boron compounds, Fluorides|All metals and alloys except light metals, alloyed steels, carbide steel|-|TYP FH 11|FB 4-A|550 - 800|Boron compounds,Fluorides, Chlorides|Copper,Aluminum bronze-|TYP FH 12|FB 3-C|550 - 850|Boron,Boron compounds, Fluorides|Special brass,any steel alloys, carbide steel|-|TYP FH 21|FB 3-I|750 - 1100|Boron compounds, Chlorides|All metals and alloysexcept light metals|}

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