Tig Welding Galvanized Mild Steel Sheet Metal

If you attempt to weld galvanized steel without removing the galvanizing from the weld area the weld puddle will pop blow out and create a health hazard to the welder and any individuals in the immediate area.

Tig welding galvanized mild steel sheet metal.

Welding galvanized metal is too risky. The galvanized layer can be removed by grinding down to the bare metal but if you miss any it will make the welding difficult. Tig welding for sheet metal. To weld a tear or split in galvanized steel start on any edge of the metal.

Https goo gl frdnss this video was by special request from a viewer arcstreams. Manufacturers of filler metal have come up with special wires that promise to eliminate porosity. We find tig welding often used for welding critical joints welding a variety of metals including mild steel and tig welding also works well for small metal areas. The most common welding rods for mild steel are the e60xx and e70xx line.

Using a tig welders means that one can work on materials of 26 gauge. This is a big claim and these filler metals certainly have some merit but there are other practical ways to successfully weld galvanized steel. Subscribe for new videos every monday and friday. For mild steel to stainless i would use 2 thoriated or ceriated electrodes.

When welding weathering steel you follow the same primary guidelines that you need to follow for mild steel. Esab 7018 vs hobart. Using tungsten to weld mild steel so we ve mentioned tungsten often above and now we d like to break it down a bit so that you understand why tungsten works so well when welding mild steel. But using this method also requires some practice and practice advice in order to understand it.

Below are a few recommendations on how to weld on galvanized steel. Using this process enables more than effective work on thin materials as it provides high precision and high quality work. Sep 02 20 05 23 pm. We just welded em.

It s recommended to use a 023 or 024 inch wire for most light gauge sheet metal work. Video shows arc shots and tips for tig welding a 3f lap joint on 11ga carbon steel. In tig welding you use a tungsten electrode in combination with separate filler wire. He asked that we demon.

To weld mild steel choose an american welding society classification wire such as er70s 6 which has a weld puddle that wets out nicely. You can also utilize the tig process to weld corten. When the material is 18 gauge and thicker you may be able to use a 030 inch wire. Work slowly around the exterior edge on the metal itself moving forward 2 3 inches 5 1 7 6 cm before bringing your welding rod back over the surface you just covered.

The joy of tig welding galvanized steel i m afraid.