This flux for soldering galvanized steel is an active chloride formulation with more strength than just plain muriatic acid.
Flux for soldering sheet 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.
Solder is defined as a low melting alloy that is used to join two pieces of metal together.
50sn 50pb tin lead solder 361 421 f working range.
Soldering steel is easy using flux and a hot soldering iron.
The 3 most common solders for roofing are listed below.
First clean the surface with emery cloth and or brushing with undiluted hydrochloric acid.
Shop all solder types.
Whether you are soldering on a job site or in the shop we have the best sheet metal soldering supplies and tools for you.
This guide will help you identify the types of solder available as well as the right flux for soldering your project.
In the roofing trade the most common makeup of solder will be a mixture of tin and lead.
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.
Johnson s j 33 galvanized flux is the superior choice for soldering sheet metal seams.
Then wet area with zinc chloride flux you can make your own by dissolving some zinc metal into hydrochloric acid until it stops effervescing.
This product is designed for galvanized steel soldering but can also be used on copper.