Flux For Soldering Sheet Metal

First clean the surface with emery cloth and or brushing with undiluted hydrochloric acid.

Flux for soldering sheet metal.

This galvanizing flux comes in a 1 gallon pail. Then wet area with zinc chloride flux you can make your own by dissolving some zinc metal into hydrochloric acid until it stops effervescing. The 3 most common solders for roofing are listed below. In the soldering process heat is applied to the copper joint where the pipe and fitting meet and the gap between the joint is filled with molten metal.

Because the galvanized metal is designed to be resistant to outside harm soldering pieces of steel that have been galvanized can pose a problem if done improperly. A selection of stainless steel flux galvanized steel flux flux for ornamental copper work and sal ammoniac blocks are also found in soldering supplies. This flux for soldering galvanized steel is an active chloride formulation with more strength than just plain muriatic acid. This product is designed for galvanized steel soldering but can also be used on copper.

In the roofing trade the most common makeup of solder will be a mixture of tin and lead. Johnson s j 33 galvanized flux is the superior choice for soldering sheet metal seams. Shop all solder types. Soldering steel is easy using flux and a hot soldering iron.

50sn 50pb tin lead solder 361 421 f working range. It is fairly simple to get the soldering on the steel done by just altering a few of the standard soldering steps for galvanized specific ones.