Suited:Typical function solder for sweat fittings,sheet steel joints,gutter perform and various large Positions. Brass radiator what type solder and flux? I have an old brass radiator. It made a pinhole while in the header tank nowadays. I rigged up a force tester and pressurized the tank to 15 lbs and https://simoniavhq.blogaritma.com/27017474/types-of-solder-to-use-on-aluminum-radiator-things-to-know-before-you-buy