How To Solder Copper Wire Without Flux

As solder wick can be bought with or without flux make sure to match flux type to your cleaning process.

How to solder copper wire without flux. Internet of Things Class. Soldering vertical copper pipe shouldnt be too different from working horizontally. Flux is applied to both the pipe and the fitting with a handy miniature paint brush.

Flux prevents the copper from oxidizing as you heat the copper with the torch. Coat your wires with soldering flux. Generally you should be able to tell this because the solder will not smoothly cover the joint but will be all lumpy and irregular and the crack between the two pieces will be visible.

Put flux to the outer area of your pipes. Ream the inside of each fitting with a wire brush. There is no need to glob on more solder and run the risk of getting it in a place where you dont want it to be.

In case you are going to use a soldering wick without a flux it would be better if you add it. The robots place the components on the board with a pick and place system. You can solder without flux but it is really difficult.

Some solder will contain a small amount of silver. Allow the solder to cool and harden. Prepare Inside of Fitting.

Unlike welding were we melt the two metals together brazing or soldering use a filler material to bond the two parts together without melting them. To do so you will need something other than flux to break down the oxides on the metal surface without which your surface may be damaged or not properly cleaned. Flux will help with that and Handy Flux paste works great with copper and brass.