If you re brazing with a copper phosphorous brazing rod including those with silver flux is not 100 percent mandatory when working with lines that are also copper though it s recommended.
Can you braze steel to copper.
You can braze cast iron to steel where cast iron has a melting temp of 2150f and bronze the filler material has a melting point of 1750f.
C2 braze is brass coloured and typically melts at around 875 c.
C2 is a multi purpose silicon bronze brazing rod that s suited to most general purpose brazing on metals including steel copper cast iron and dissimilar metals.
Most silver solders can be categorised by their silver content.
The best option for welding steel to copper is actually a brazing technique since the melting points of steel and silicon bronze the required filler metal are so disparate.
I feel like you didn t actually read this article.
Recommended rods by metal type.
But will also cost more and requires the use of an acetylene or mapp gas torch to melt the brazing rod.
Brazing copper will provide a stronger bond because of the high of silver in the brazing rod.
Copper phosphorous brazing welding rods.
It s excellently written and is clear about the differences between soldering and brazing.
Thats a good indication that brazing material flowed where it was needed.
Work at your own risk.
If you re using silver solder that is solder with 45 percent silver or higher to connect copper to steel you must always use an acid based flux.
You can see a nice collar of silver brazing material on the head of the stainless steel bolt when its done.
Use the right brazing rod material for the metal used in your project.
You can purchase brazing rods with varying of silver content and either flux coated or un coated rod.
All i had on that day was a cutting torch but it allowed for a soft enough flame to get the job done.
But you can attach copper to steel with silver solder using a propane torch and call it whatever you like.
Technically you can either braze or solder though you cannot braze with solder or solder with brazing rods.
Use a torch that produces a high intensity flame.
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.