Low temperature soldering and adhesive joining are processes for joining galvanized steel that do not damage the zinc protection.
How to solder galvanized sheet metal.
Unlike welding soldering allows the user to bind small pieces of metal together and is commonly used in the manufacture of circuit boards.
Soldering and adhesive joining.
For homeowners the simplest solution is an epoxy or other adhesive that is made for joining.
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.
This process permits control of a uniform plating as a thin layer.
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.
Rolled steel sheets are galvanized by a continuous electrolytic plating process.
I recently learned the hard way to obtain a sample of the metal and try soldering before fabricating.
Zinc sheet part 5 soldering how to solder together two sheets of zinc.
Galvanized steel is a protected variety of the metal using the process of galvanization to prevent and repel corrosion.
Soldering glues the pieces of metal together by melting a softer metal to act as an adhesive.
However some galvanized sheet metal is impossible to solder.
Beware look alike products like zap or zincalume these cannot be soldered either.