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General characteristics of aluminum solders

Soldering of aluminum and its alloys is always carried out with solders that contain aluminum, and to reduce the melting temperature of such solders, such elements as copper, zinc, silver and silicon are added to the composition. Silicon also increases the corrosion resistance of the solder joint.

Technical data

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Application

Solder rods and wires are often used as aluminum solder for submerged arc welding of aluminum and its alloys. Their characteristics are higher capillary flowability, economical use, as well as the ability to form a ductile solder joint with increased bending strength values compared to the usual ones.

Gas soldering

All aluminum brazing alloys are predominately used in gas brazing techniques due to their high melting point. The steps involved in the soldering process include:

Thorough cleaning of the solder joint area;

Warming up the soldering point to a temperature of at least 250...300°C (the flame should be slightly carburizing);

Application of specialized fluxes and their melting;

Application of solder by consecutive movement of the rod along the soldered seam;

Removal of flux residue;

Slow cooling of soldering point, starting from²⁰⁰⁰ C.

Purchase. Supplier, price.

Are you interested in the density, specific heat of aluminum solder? The supplier Evek GmbH offers to buy aluminum solder in any quantity at the manufacturer's price. We provide product delivery anywhere in the continent. The price is optimal. We invite you to partner cooperation.