"50/50 is often a normal objective solder Utilized in purposes involving soldering of copper and copper alloys and/or ferrous base alloys. This alloy gives satisfactory corrosion resistance properties. This alloy really should not be used in soldering of potable drinking water methods resulting from its superior lead articles." Duplex steel https://mobilebodyrepairnearme86808.shotblogs.com/getting-my-types-of-solder-to-use-on-aluminum-radiator-to-work-41261891