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Soldering Material

All of you know the importance of soldering in electronics. Here, we are going to know about material essential for soldering. 

Soldering Iron

Soldering Iron is also called as solder gun. To facilitate soldering, most important tool is soldering iron. The main parts of soldering iron are handle, element and bit. The element of soldering iron is just like that of electric heater. When electricity passes through the element, it generates heat. This in turn heats the bit of iron which then transfers the heat to the joint to be soldered.

Solder wire

Most common type of solder wire used in electronics work is an alloy consisting of 60% tin and 40% lead.Its melting temperature is 375 degrees F and it solidifies as it cools. This alloy is available in wire form in several gauges. Thinner gauges are preferred over thicker ones. For general use,18 or 22 gauge solder wire is a good choice.


To aid the soldering process, another substance known as flux also called as solder paste is used. Flux removes the oxide film from the surface of metals to be soldered. It forms a protective layer that prevents re-oxidation. Flux gets rid of oxidation and helps clean the surface.

Nowadays, solder wire contains flux in its centre core. Flux has a lower melting point then that of solder wire. It eliminates the need for separate flux.

So soldering iron, Solder wire and flux are crucial components needed for soldering. Some other accessories like soldering gun stand, cutter, stripper, De-solder Pump are also helpful while soldering.

If you have any queries please ask them in the comments section below. Also if you have liked this article please do like it and share it.

Written by Alka Verma

Alka Verma

Alka Verma is an electronics and communication graduate, with post diploma in computer applications. After working with a telecom company for few years, she has been teaching electronics for past 20 years to students of age group 11 to 15 years. She is well versed in educating the fundamental principles of electronics to beginners in an easy and fun filled way. Passionate about providing hands-on training to young learners, she has a keen interest in invoking students’ interest in the subject where they attain practical knowledge and create magical things. You can check out her Blog Electronics is Fun