Can You Braze Copper To Stainless Steel

Brazing under reducing atmosphere.

Can you braze copper to stainless steel.

The brazing process can yield strong joints that are ductile clean and smooth. How to braze stainless steel to copper. However a key advantage is that many dissimilar metals can be joined to stainless steels by brazing. It can readily join stainless steel to itself and is an alternative to welding.

Most stainless steel types with the exception of titanium or niobium stabilised grades can be brazed. Tune in for today s tips on torch brazing stainless steel. Recommended rods by metal type. Brazing stainless steels requires adequate planning as the alloys used to form joints must have properties compatible with the base metal.

Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods. The joint will only be as strong as the silver solder itself. But you can attach copper to steel with silver solder using a propane torch and call it whatever you like. 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.

Ssf 6 silver solder and a propane torch are used to demonstrate how to join a piece of copper tubing to a piece of stainless steel tubing. 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. You can silver solder stainless to itself or to brass or copper to make easier connections without risk of corrosion problems.

The three main methods in common use for brazing stainless steels are. Copper phosphorous brazing welding rods. You can see a nice collar of silver brazing material on the head of the stainless steel bolt when its done. Brazing stainless steels introduction.

You can purchase brazing rods with varying of silver content and either flux coated or un coated rod. Use the right brazing rod material for the metal used in your project. Thats a good indication that brazing material flowed where it was needed. You can use any silver solder but you will need an acid based flux specifically manufactured for nickel or stainless steel.

Brazing in air with flux. While brazing can provide a stronger joint the high brazing temperatures can be bad for stainless steel. Use a torch that produces a high intensity flame. The recommended filler rod for brewing service is aws type bag 5 and its temperature range 1370 1550 f 743 843 c.