Interesting things about antimony solder

Physical and mechanical properties
Density, specific heat capacity of antimony solder

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General information about antimony solder

Adding antimony to the normal chemical composition of tin solders increases the strength of the solder joint. Therefore these brazing alloys are used for critical joining applications in the electrical industry, for high-pressure brazing of pipes and for tinning and brazing of refrigeration units.

Chemical composition. Low-antimony solders

Solder brand POSSU Sn% Pb% Sb% Cu% Bi% As% Fe% Ni% S% Zn% Al%
61-05 59-61 balance 0,05-0,5 0,05 0,1 0,02 0,02 0,02 0,02 0,002 0,002
40-05 39-41 balance 0,05-0,5 0,08 0,1 0,02 0,02 0,02 0,02 0,02 0,02
30-05 29-31 balance 0,05-0,5 0,08 0,1 0,02 0,02 0,02 0,02 0,02 0,02
25-05 24-26 balance 0,05-05 0,05 0,1 0,02 0,02 0,02 0,02 0,02 0,02
18-05 17-18 balance 0,05-05 0,05 0,1 0,02 0,02 0,02 0,02 0,02 0,02

Antimony solders

40-2 39-41 0,07 1,5-2,0 0,08 0,1 0,05 0,02 0,02 0,02 0,002 0,002
30-2 29-31 0,07 1,5-2,0 0,1 0,1 0,05 0,02 0,02 0,02 0,002 0,002
25-2 24-26 0,07 1,5-2,0 0,1 0,1 0,05 0,02 0,02 0,02 0,002 0,002
18-2 17-18 0,07 1,5-2,0 0,1 0,1 0,05 0,02 0,08 0,02 0,002 0,002
10-2 9-10 0,07 1,5-2,0 0,1 0,1 0,05 0,02 0,08 0,02 0,002 0,002

The supplier Evek GmbH offers a wide range of antimony solders at an affordable price. We provide delivery of products anywhere in the continent. The price is optimal.

Relevance

Antimony reduces the oxidation of solders when they are in the liquid state, improves their appearance, and increases their heat resistance to temperatures above 100 °C. The amount of antimony in the solders should not exceed 6%, otherwise the solder becomes brittle. This is especially important when soldering zinc and its alloys.

Applications for

Solders containing antimony have high technological properties, and no other equipment other than a soldering iron is required to produce high quality soldering. Antimony in the solders helps to increase the creep limit, reduces the tendency of products in the solder joint area to spontaneous aging, as well as eliminates the unwanted allotropic transformation of tin - the main component of the solder - during the heating process.

Purchase. Furnizor, price.

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