Braze Steel To Copper

The higher the silver content the stronger the bond but the hotter the temperature needed to melt the filler metal.

Braze steel to copper.

But you can attach copper to steel with silver solder using a propane torch and call it whatever you like. 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. Copper phosphorous brazing welding rods.

How to braze copper to steel with silver solder. 11 18 2004 03 16 am 2. The only drawback can be the relatively high cost of silver base filler metal but that may be offset by the low cost of equipment. The melting point of copper cu alloy uns c12200 is 1 981 f 1082 c.

Generally welding holds stainless steel parts together best. Updated april 24 2017. I use oxi acetylene torch and use silfox solder. View profile view forum posts visit homepage view forum threads professional member.

Brazing copper will provide a stronger bond because of the high of silver in the brazing rod. Thats a good indication that brazing material flowed where it was needed. But will also cost more and requires the use of an acetylene or mapp gas torch to melt the brazing rod. You can purchase brazing rods with varying of silver content and either flux coated or un coated rod.

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. As such the filler metals for soldering and brazing copper and copper alloy tube and fittings must have melting temperatures below this temperature. Here are basic tips for silver brazing copper to steel or stainless steel. Use a torch that produces a high intensity flame.

The joint will only be as strong as the silver solder itself. The basic difference between soldering and brazing is the temperature necessary to melt the filler metal. Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods. For larger production series one may prefer less expensive consumables like copper base filler metals.

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.