Brazing Carbon Steel To Copper

Use a torch that produces a high intensity flame.

Brazing carbon steel to copper.

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. This classification is generally used for joining a variety of ferrous and non ferrous metals. Harris low fuming bronze is designed for repair and fabrication applications on steel copper copper alloys nickel and nickel alloys. Copper and copper zinc bcu x and bcuzn x.

Recommended rods by metal type. 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. White flux is useful for brazing copper brass steel stainless steel and nickel alloys. Pure copper and copper zinc filler metals are used for brazing steel and other materials.

The fillers containing zinc are not recommended for joining. I use the term silver brazing instead of silver solder because technically anything over 840 degress f is brazing. Learn about brazing and soldering from george benyak inferno product development team member and industry veteran. But you can attach copper to steel with silver solder using a propane torch and call it whatever you like.

A table listing copper base alloys can be found in a commercial publication. So here is the video with a few tips on silver brazing copper to steel and brazing stainless steel bolts to some copper washers. Copper phosphorous brazing welding rods. 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. Use it with the safety silv high silver brazing filler metals aws bag series on the above base metals and the stay silv phos copper silver aws bcup series on copper to brass. In overlaying carbon steel the first layer is applied using either an erni 1 or ernicu 7 filler metal followed by subsequent layers of ercuni to reach the needed thickness or composition. It has an active temperature range of 1050 1600 f 565 870 c.

Here george uses low fuming bronze on a steel to steel joint.