Solders antimony Possu30−2B Possu25−2
|Grade||analogue||W. Nr.||Aisi Uns||En||Order|
|ПОССУ30-2||Buy from stock, view availability|
|ПОССу25−2||Buy from stock, view availability|
Alloys are metals or alloys that are used as the intermediate bonding part for bonding of parts of articles. Solders should have a melting point lower than the joined materials. Slight heating during Assembly, and thus, the lack of changes in the structure of the products is the main advantage of brazing compared to welding.
GOST 21 930−76 regulates the production of solders based on tin, antimony and lead, and it will Piss 15−2; 5−1; 95−5; 4−6; 40−2; 8−3; 35−2; 30−2; 10−2; 25−2; 18−2; 4−4 etc. They are used for tinning and soldering of parts. Solders are supplied in the form of cast bars, foils, rods, ingots, powders, tubes, wires, tapes and solder pastes.
|Brand П0ССу||Sb, %||Sn, %||Pb, %|
|No. 40−2||<=> 1,5−2,0||<=> 39−41||Basis|
|No. 95−5||<=> 4,0−5,0||The rest|
|No. 25−2||<=> 1,5−2,0||<=> 24−26||>>|
|No. 10−2||<=> 1,5−2,0||<=> 9−10||>>|
|No. 5−1||<=> 0,5−1,0||<=> 4−5||>>|
|No. 30−2||<=> 1,5−2,0||<=> 29−31||>>|
|No. 15−2||<=> 1,5−2,0||<=> 14−15||>>|
|No. 4−4||<=> 3,0−4,0||<=> S-4||>>|
|No. 4−6||<=> 5,0−6,0||<=> S-4||>>|
|No. 8−3||<=> 2,0−3,0||<=> 7−8||>>|
|No. 18−2||<=> 1,5−2,0||<=> 17−18||>>|
|No. 35−2||≈ <=> 1,5−2,0||<=> З4-P6||>>|
Percentage composition of solders GOST 21930−76. The basis lead
|No. 95−5||≤0.02||Basis||≤0, 1||4−5,0||≤0.02||≤0.002||≤0.04||≤0.002||≤0.02||≤0.06|
|No. 40−2||≤0.02||39 — 41||≤0.02||1,5−2||≤0.02||≤0.002||≤0.02||≤0.002||≤0.08||≤0.08|
|N H5−2||≤0.02||24−36||≤, 2||1,5−2,0||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 30−2||≤0.02||29−31||≤, 2||1,5−2||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 25−2||≤0.02||24−26||≤, 2||1,5−2||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 18−2||≤0.02||17−19||≤, 2||1,5−2||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 15−2||≤0.02||14−16||≤, 2||1,5−2||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 10−2||≤0.02||9−11||≤, 2||1,5−2||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 8-Z||≤0.02||7−9||≤, 2||2−3,0||≤0.02||≤0.008||≤0.05||≤0.002||≤0.08||≤0,1|
|No. 5−1||≤0.02||4−6||≤, 2||0,5−1||≤0.02||≤0.008||≤0.02||≤0.002||≤0.08||≤0.08|
|No. 4−6||≤0.02||3−5||≤, 2||5−6,0||≤0.02||≤0.008||≤0.05||≤0.002||≤0.08||≤0,1|
|No. 4−4||≤0.02||3−5||≤, 2||3−4,0||≤0.02||≤0.008||≤0.05||≤0.002||≤0.08||≤0,1|
The process of selecting the composition of solder should be carried out depending on the soldering type of the connected metals, thermal restrictions for the process of soldering and subsequent operation, of the size and weight of the connecting elements, the desired corrosion resistance and other conditions.
Tinning and soldering of refrigerating circuits, the manufacture of light bulbs and other electrical equipment, tinning and soldering of plated articles, sheet packing, ceramic, work of abrasive brazing; soldering lead-free, brass, iron, galvanized iron, copper.
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