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.

Brazing carbon steel to copper.

Copper and copper zinc bcu x and bcuzn x. 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. A table listing copper base alloys can be found in a commercial publication. 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.

Use the right brazing rod material for the metal used in your project. I use the term silver brazing instead of silver solder because technically anything over 840 degress f is brazing. White flux is useful for brazing copper brass steel stainless steel and nickel alloys. This classification is generally used for joining a variety of ferrous and non ferrous metals.

The fillers containing zinc are not recommended for joining. Used for brazing iron nickel and cobalt base metals but we also see their use in copper stainless steel applications. The higher the silver content the stronger the bond but the hotter the temperature needed to melt the filler metal. Copper phosphorous brazing welding rods.

Pure copper and copper zinc filler metals are used for brazing steel and other materials. Harris low fuming bronze is designed for repair and fabrication applications on steel copper copper alloys nickel and nickel alloys. Learn about brazing and soldering from george benyak inferno product development team member and industry veteran. Brazing with bag 1a bag 1 and bag 2 is suitable for joining cu ni to any other copper alloy.

Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods. Here george uses low fuming bronze on a steel to steel joint. Use a torch that produces a high intensity flame. 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.

It has an active temperature range of 1050 1600 f 565 870 c.