Tin and lead - typically 60% tin / 40% lead.
Sometimes there is also a core of flux, an acid which helps the join by cleaning the surfaces.
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Solder typically consists of a combination of tin and lead, with different ratios depending on the type of solder being used. Other common additives include flux, which helps improve soldering performance, and sometimes silver or other metals for specific applications.
Cold solder joint: occurs when the joint doesn't fully melt, leading to poor electrical conductivity. Insufficient solder: not enough solder used, resulting in weak or incomplete bonds. Excessive solder: too much solder applied, causing bridging or short circuits. Solder balling: result of excess solder that forms into small balls. Solder splashes: occurs when excess solder splashes onto nearby components. Solder flux residue: leftover residue from flux can lead to corrosion or poor connections over time.
A Conductor, SOLDER IS NOT AN INSULATOR. The most common types of solder are made of tin and lead. Another type is silver solder. All of the materials used are metals and are good conductors of both heat and electricity. If you solder something you would notice if you ever held a wire (without protection) while applying solder to it your finger would probably receive a burn (speaking from experience).
No, lead solder is not a ferrous metal. Ferrous metals contain iron, while lead solder is primarily composed of tin and lead.
The chemical formula for solder can vary depending on the type of solder being used, but a common formula is Sn (tin) mixed with Pb (lead), known as Sn-Pb solder. The ratio of tin to lead can differ, with common ratios being 60% tin and 40% lead (60/40 solder) or 63% tin and 37% lead (63/37 solder).
Solder splatter refers to small droplets or fragments of solder that can be scattered during the soldering process. This can happen when using too much solder or when the soldering iron is moved too quickly or forcefully. Solder splatter can cause short circuits or damage to surrounding components if not cleaned up properly.