Welding Very Thin Sheet Metal

Have you ever welded something so thin and worn out that all you do is blow holes in it.

Welding very thin sheet metal.

1 for 1 rule. For 3 32 7018 s it s about the same. Just grab a piece of sheet metal to get the heat set correctly and go to town. This is especially useful for carbon steel.

In this article we are taking a look at how people should go about welding sheet meta l what kind of wire and shielding gas need to be used. I was hoping to manage a butt weld too but the metal was far too thin for mig and i just blew holes. High psi tv merchandise available below. The best way to estimate the heat input needed for welding is by applying the 1 for 1 rule this means that 1 amp should be used per 1 thousandth 0 001 inch of thickness.

Everyone is different but those settings will get you in the right ballpark to weld sheet metal. Here s a shot of 0 3 mm stainless cut from a 5l thinners can that was welded in this way. A good heat setting for 1 8 6011 rods on thin material is about 80 90 amps. The stitch welding technique can be very powerful.

Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. But when it comes to stainless steel or other nickel based metals less heat is needed. Yea i know its a big number. Stainless steel are used in applications such as hvac automotive mobile machinery guards and cabs and small parts as well as stainless steel food service and processing.

Did you want to learn how to work around that and deliver a solid re. Carbon steel and 18 ga. Gas metal arc welding gmaw is an effective method for joining light gauge metals such as carbon steel and austenitic stainless steel. Forget the larger 1 8 inch tungsten electrode and use a smaller one.