How To Weld Galvanized Sheet Metal

They were made from galvanized sheet metal and we didnt clean crap.

How to weld galvanized sheet metal.

Galvanizing is a method that involves coating the metal with zinc in order to prevent rust or corrosion. Use an arc welder to weld galvanized steel. If you can t do this use a filler material on the zinc coated portion of your welding area. Galvanized steel is salt water resistant and is frequently used in marine and industrial applications.

E6011 is ok and recommended if you have an ac only power source. A standard arc welder is undoubtedly the best way to weld galvanized. It depends on what you are welding and how critical the application. Welding of the galvanized steel is done similar to the welding of bare metal with a difference of low vaporization temperature in the metals with zinc coating.

When welding the steel that is galvanized the welder has to be set a bit hotter than normal and make sure to give a wiggling movement between the workpieces that are galvanized in order to ensure a good weld pool at the beginning. Use an e6010 electrode. We just welded em. Use an inline whipping technique the back and forth motion will help vaporize the zinc coating and prevent porosity and cracks.

Using the welder 1. Super alloy 1 350 solder is used to fill a large gap in 2 pieces of galvanized steel. For example i worked for a while welding big tables that held furniture stripper chemicals. You can use a welding rod of any size as long as it works.

Select your welding rod based on the size of the metal. Start on one end of the seam if you re. You will need a skilled welder to weld galvanized steel successfully and the ideal method is to remove the zinc coating from the area where you are welding.