Brazing Steel To Copper

Use the right brazing rod material for the metal used in your project.

Brazing steel to copper.

View profile view forum posts visit homepage view forum threads professional member. These alloys contain phosphorus and are self fluxing on 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. All i had on that day was a cutting torch but it allowed for a soft enough flame to get the job done.

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. Pure copper and copper zinc filler metals are used for brazing steel and other materials. When brazing iron steel or other ferrous metals select one of the stay silv brazing alloys such as safety silv 45 or safety silv 56 with safety silv white brazing flux. When brazing brass or bronze fittings stay silv white flux is required with these alloys.

Recommended rods by metal type. But you can attach copper to steel with silver solder using a propane torch and call it whatever you like. 11 18 2004 03 16 am 2. Brazing copper will provide a stronger bond because of the high of silver in the brazing rod.

A table listing copper base alloys can be found in a commercial publication. Use a torch that produces a high intensity flame. The higher the silver content the stronger the bond but the hotter the temperature needed to melt the filler metal. 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.

Here are basic tips for silver brazing copper to steel or stainless steel. But will also cost more and requires the use of an acetylene or mapp gas torch to melt the brazing rod. Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods. I use oxi acetylene torch and use silfox solder.

Thats a good indication that brazing material flowed where it was needed. Copper phosphorous brazing welding rods.