I searched but did not find much info on this.
I will be using 16 or 20 oz. (.022-.027") copper sheet for upcoming jobs. The first job will be caps for 10 x 10 posts. I have done very little soldering and brazing so I trying to determine which will work best for me.
The pic is a test piece of 16oz copper brazed with B CuP-2 phosphorus copper rod and Oxy/Ace torch. The Phos in the copper acts as fluxing agent so no flux is required. This makes a good strong joint but because of the heat required the parent metal is annealed and weakened substantially.
For that reason I am looking into solder. Apparently there are "hard" and 'soft" solders. I prefer to use a torch (propane?) over an iron. Can I use something like this? https://shop.rings-things.com/cart/p...4549p34514.htm
I like copper filler because it will match the parent metal.
This is 7% phos like the rod I have but is only 1mm dia.(I called them). This is smaller than the flat rod in the pic, maybe this will melt at lower temp?
https://shop.rings-things.com/cart/p...ire-p36120.htm
Any input is appreciated. -ted
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