I use oxi acetylene torch and use silfox solder.
Brazing steel to copper.
Copper phosphorous brazing welding rods.
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.
Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods.
Use the right brazing rod material for the metal used in your project.
But you can attach copper to steel with silver solder using a propane torch and call it whatever you like.
These alloys contain phosphorus and are self fluxing on copper.
Clean and flux the area to be silver brazed.
Here are basic tips for silver brazing copper to steel or stainless steel.
Thats a good indication that brazing material flowed where it was needed.
How to braze stainless steel to copper.
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.
Use a torch that produces a high intensity flame.
You can purchase brazing rods with varying of silver content and either flux coated or un coated rod.
Pure copper and copper zinc filler metals are used for brazing steel and other materials.
A table listing copper base alloys can be found in a commercial publication.
The higher the silver content the stronger the bond but the hotter the temperature needed to melt the filler metal.
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When brazing brass or bronze fittings stay silv white flux is required with these alloys.
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.
All i had on that day was a cutting torch but it allowed for a soft enough flame to get the job done.
11 18 2004 03 16 am 2.