Brazing Steel To Copper

11 18 2004 03 16 am 2.

Brazing steel to copper. How to braze stainless steel to copper. But you can attach copper to steel with silver solder using a propane torch and call it whatever you like. 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.

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. Here are basic tips for silver brazing copper to steel or stainless steel. Copper phosphorous brazing welding rods. 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.

You can purchase brazing rods with varying of silver content and either flux coated or un coated rod. Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods. Thats a good indication that brazing material flowed where it was needed. Clean and flux the area to be silver brazed.

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. Recommended rods by metal type. View profile view forum posts visit homepage view forum threads professional member.

Use the right brazing rod material for the metal used in your project. I use oxi acetylene torch and use silfox solder. These alloys contain phosphorus and are self fluxing on copper. But will also cost more and requires the use of an acetylene or mapp gas torch to melt the brazing rod.

A table listing copper base alloys can be found in a commercial publication. Brazing copper will provide a stronger bond because of the high of silver in the brazing rod.