Brazing Steel To Copper

These alloys contain phosphorus and are self fluxing on copper.

Brazing steel to copper.

When brazing brass or bronze fittings stay silv white flux is required with these alloys. Pure copper and copper zinc filler metals are used for brazing steel and other materials. All i had on that day was a cutting torch but it allowed for a soft enough flame to get the job done. Thats a good indication that brazing material flowed where it was needed.

You can purchase brazing rods with varying of silver content and either flux coated or un coated rod. I use oxi acetylene torch and use silfox solder. But will also cost more and requires the use of an acetylene or mapp gas torch to melt the brazing rod. Use the right brazing rod material for the metal used in your project.

Brazing copper will provide a stronger bond because of the high of silver in the brazing rod. The brazing rod should be melted by the heat of the metal pieces being joined not by direct contact with the flame of the torch. Recommended rods by metal type. Copper phosphorous brazing welding rods.

But you can attach copper to steel with silver solder using a propane torch and call it whatever you like. Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods. The higher the silver content the stronger the bond but the hotter the temperature needed to melt the filler metal. Use a torch that produces a high intensity flame.

With proper flux provided in the joint brazing steel can be done with mechanized torch setup or within induction coils depending on requirements and availability of equipment. View profile view forum posts visit homepage view forum threads professional member. A table listing copper base alloys can be found in a commercial publication. How to braze stainless steel to copper.

Trying to brazing a steel to copper connection do i have to use a kind of flux or is correct do it as a copper to copper. Clean and flux the area to be silver brazed.