Brazing Steel To Copper

I use oxi acetylene torch and use silfox solder.

Brazing steel to copper.

Use a torch that produces a high intensity flame. Pure copper and copper zinc filler metals are used for brazing steel and other materials. The higher the silver content the stronger the bond but the hotter the temperature needed to melt the filler metal. 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. When brazing brass or bronze fittings stay silv white flux is required with these alloys. 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. 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.

Thats a good indication that brazing material flowed where it was needed. Recommended rods by metal type. 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.

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. How to braze stainless steel to copper. 11 18 2004 03 16 am 2.

View profile view forum posts visit homepage view forum threads professional member. Copper phosphorous brazing welding rods. Here are basic tips for silver brazing copper to steel or stainless steel. Brazing copper will provide a stronger bond because of the high of silver in the brazing rod.

But will also cost more and requires the use of an acetylene or mapp gas torch to melt the brazing rod. These alloys contain phosphorus and are self fluxing on copper.