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Piss 18-2 solders antimony
Solders are metals or alloys, which are used as an intermediate binder for bonding parts of products. Solders should have a melting point lower than that of the materials to be bonded. Insignificant heating during installation, and as a result, no changes in the structure of products — is the main advantage of the soldering process as compared to welding.
Production
GOST 21930−76 normalizes the production of solders based on tin, antimony and lead, namely POSSu 15−2; 5−1; 95−5; 4−6; 40−2; 8−3; 35−2; 30−2; 10−2; 25−2; 18−2; 4−4 and others. They find their application for tinning and soldering parts. Solders are supplied in the form of ordinary cast bars, foils, rods, pigs, powders, tubes, wires, tapes, and also in the form of solder pastes.
| Mark | Sb,% | Sn,% | Pb,% |
|---|---|---|---|
| П0CCу № 40−2 | <=> 1,5−2, O | <=> 39−41 | Rest |
| П0Cу № 95−5 | <=> 4,0−5, O | Rest | |
| П0CCу № 25−2 | <=> 1,5−2, O | <=> 24−26 | >> |
| П0ССУ № 10−2 | <=> 1,5−2, O | <=> 9−1O | >> |
| П0ССУ № 5−1 | <=> 0.5−1, O | <=> 4−5 | >> |
| П0ССу № 30−2 | <=> 1,5−2, O | <=> 29−31 | >> |
| П0ССУ № 15−2 | <=> 1,5−2, O | <=> 14−15 | >> |
| П0ССУ № 4−4 | <=> 3,0−4, O | <=> З-4 | >> |
| П0ССУ № 4−6 | <=> 5,0−6, O | <=> З-4 | >> |
| П0ССУ № 8−3 | <=> 2.0−3, O | <=> 7−8 | >> |
| POCU No. 18−2 | <=> 1,5−2, O | <=> 17−18 | >> |
| П0ССУ № 35−2 | ≈ <=> 1,5−2, O | <=> З4-З6 | Also |
| Share in percentage | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| name | Impurities, no more | |||||||||
| Fe | Pb | Bi | Sb | S | Zn | As | Al | Ni | Cu | |
| П0Су № 95−5 | ≤O, O2 | ≤O, O7 | ≤O, 1 | - | ≤O, O2 | ОО, ОО2 | ≤O, O4 | ОО, ОО2 | ≤O, O2 | ≤O, O5 |
| П0ССу № 4О-2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССу №З5−2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССу № 3О-2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССу № 25−2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| POCU No. 18−2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССУ № 15−2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССу № 1О-2 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССу № 8-З | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O5 | ОО, ОО2 | ≤O, O8 | ≤O, 1 |
| П0ССУ № 5−1 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O2 | ОО, ОО2 | ≤O, O8 | ≤O, O8 |
| П0ССУ № 4−6 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O5 | ОО, ОО2 | ≤O, O8 | ≤O, 1 |
| П0ССУ № 4−4 | ≤O, O2 | - | ≤O, 2 | - | ≤O, O2 | ОО, ОО8 | ≤O, O5 | ОО, ОО2 | ≤O, O8 | ≤O, 1 |
The process of selecting the composition of a particular solder should be carried out depending on the method of soldering, the type of metals to be combined, the level of temperature limitations for the soldering process and subsequent operation, the dimensions and mass of the elements to be joined, the required corrosion resistance and other conditions.
Application
Tinning and soldering of refrigeration circuits, production of electric lamps and other electrical equipment, tinning and soldering of metallized products, thin-sheet packaging, ceramics, a product of abrasive soldering; Soldering lead, brass, iron, galvanized iron, copper.
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