How To Solder Galvanized Sheet Metal

While soldering is useful for many purposes it has limitations.

How to solder galvanized sheet metal.

However there are many objects in your home made of galvanized steel such as gutters panels or water tanks that can be improved by soldering. I think it depends on the alloys used in the galvanizing. However some galvanized sheet metal is impossible to solder. Rolled steel sheets are galvanized by a continuous electrolytic plating process.

Beware look alike products like zap or zincalume these cannot be soldered either. Soldering and adhesive joining. Low temperature soldering and adhesive joining are processes for joining galvanized steel that do not damage the zinc protection. This process permits control of a uniform plating as a thin layer.

I recently learned the hard way to obtain a sample of the metal and try soldering before fabricating. Soldering glues the pieces of metal together by melting a softer metal to act as an adhesive. Because the galvanized metal is designed to be resistant to outside harm soldering pieces of steel that have been galvanized can pose a problem if done improperly. For homeowners the simplest solution is an epoxy or other adhesive that is made for joining.

Scott wuebber bozeman montana. Tradesmen often use brazing or welding instead to create stronger joins between the metals.