Solders antimonous
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characteristic
The solder is a low-melting metal or alloy, (lead, tin, antimony — in various proportions), which is used in the installation of radio and electrical equipment, as well as structures that are not subject to significant loads. The melting point of the solder should be lower than that of the fragments to be mounted. Cooling down, it gives a lasting connection. Solders are provided in the form of wire, paste, rods, powder, etc. Without solder, it is impossible to produce a qualitative installation of electrical circuits, they are also sometimes necessary as an alternative to welding.
application of
Soldering is an integral part of radio and electrical installation work. It helps to create a tight and strong connection, a reliable contact in the electrical circuit with minimal resistance. The quality of the installation depends on the correctness of the selected solder, in particular, its melting point. Before soldering all contacting surfaces must be thoroughly cleaned and degreased. A drop of solder is applied between the parts and, solidifying, securely holds them together.
classification
From the melting point of solders are divided into: 1) solid solders, melt at t ° ≥ 500 ° C; 2) soft — melt at t ° up to 400 ° C; Semi-hard — melts at t ° 400−500 ° С. For soft and semi-solid solders, the ultimate strength is 50−70 MPa. Soldering is performed by soldering iron or immersing the parts to be connected to liquid solder. In solid solders, the tensile strength is up to 500 MPa, soldering is carried out by an electrocontact method, copper or graphite electrodes, or with autogen. When choosing solder, it is necessary to take into account, apart from the melting temperature, the type of alloys and the dimensions of the fragments to be joined.
Mass fraction,% | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Brand of solder | Impurities, no more than | |||||||||
Sb | Cu | Fe | As | Bi | Ni | S | Al | Zn | Pb | |
POS 95−5 | - | 0.05 | 0.02 | 0.04 | 0.1 | 0.02 | 0.02 | 0.002 | 0.002 | 0.07 |
POSS 40−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
PRESS 35−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 30−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
ISSN 25−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 18−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 15−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
ISSN 10−2 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 8−3 | - | 0.1 | 0.02 | 0.05 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 5−1 | - | 0.08 | 0.02 | 0.02 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 4−6 | - | 0.1 | 0.02 | 0.05 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
POSS 4−4 | - | 0.1 | 0.02 | 0.05 | 0.2 | 0.08 | 0.02 | 0.002 | 0.008 | - |
antimony solders
Are actual at a tinning and soldering of details from copper and its alloys. In the composition except antimony contain lead and tin (GOST 21930−76). They are marked by POSS. Such solders are supplied in the form of pigs, rods, cast bars, tubes, foils, tapes, solder pastes and powders. There are a number of brands of antimony solders. The most popular of these brands are presented in the table.
using
The most common antimony solders are used for tinning, soldering the circuits of refrigeration units, as well as in instrument making and the production of electric lighting devices. Without such solders, today tinning and soldering of ceramics, thin sheets of lead, iron, copper, brass foil are not complete.
supply
More detailed acquaintance with the assortment, clarify the main characteristics, advantages, parameters of using the products you can on our website. The company «_" offers an unlimited range of solders in the form of pigs and bars, tubes, wires, rods, powders, foils, tapes, solder pastes, which are manufactured with strict observance of technological norms .We perform both wholesale and retail deliveries.
buy at the best price
The acceptable cost of antimony solders and a wide variety of brands will allow any buyer to choose the product that most fully satisfies all requests. High quality of manufacturing and full conformity of production to requirements of the state standard documentation and technical conditions for delivery — that basic criterion which our company adheres in work with clients. Precise chemical composition and verified manufacturing technology will ensure reliable production performance. All the characteristics correspond to the declared quality, and reasonable prices and convenient delivery method is an additional advantage in working with us.