What is TIG Welding Used For?

What is TIG Welding Used For

Are you are wondering which type of welding to use when and what the differences between TIG and MIG are. Steel, stainless steel, chrome, bronze, aluminum, nickel alloys, magnesium, nickel alloys,  brass, copper, and even gold can be welded with TIG welders. There are many applications for TIG welding, including wagons, lawnmowers, bike frames, door handles, and fenders. We will guide you here about What is TIG Welding Used For.

The process of TIG welding can be used for forming thin metal parts while welding. Welders usually use TIG welding to meld thin metals that MIG cannot handle or finish projects that have already begun. The TIG welding process uses tungsten electrodes to fuse metals together. Due to a lack of information on TIG welding, this article explains when to use it and how. In the following section, you will learn what TIG welding is, how it works, and when it is appropriate to use it. Also, We will discuss TIG welding. 

What is TIG Welding Used For

To weld with TIG, we introduce a continuous tungsten electrode charge into the welding arc to ignite it. First, let’s define the use and circumstances of TIG welding before we go into its practical application. Our first step was to learn about TIG welding, and we will explain how it can be beneficial. 

When welding using an arc, we use an electrode and inert tungsten gas. The non-consumable tungsten wire used in TIG welding consists of electrodes that continuously provide arc current for welders to use. A cooling inert gas, typically argon, is used to cool the tungsten and weld puddle after TIG welding, providing safety and protection for you. Because you use filler material to reinforce your welding creation, TIG welding is similar to oxy-acetylene welding. 

How Do TIG Welders Work?

Most of the steps involved with TIG welding are identical to those you use with an oxy-acetylene torch. The TIG welder uses a torch with an electric hand to feed the filler rod into the molten puddle as they weld.  When you TIG weld, you have the ability to start and stop softly, which is a significant factor that sets these methods apart. Welders can use accelerator pedals if they like to work at a bench. The remote gives skilled welders the ability to adjust their heat while welding in real-time, which is why they prefer using fingertip remotes on the torch.

Parts of a TIG Welder

The first step in using a TIG welder is knowing how to operate it. So, we’ll focus on introducing TIG welding, with clips describing each piece and its function.

The Work Lead

Work lead is also called a ground cable with a clamp and it is the first important part of a TIG welder. Getting ready to begin welding involves attaching the workpiece to the metal surface you plan to work on to be a part of it once you start welding. Using the electric TIG torch as a guide, you can figure out how to identify the welding lead. The inert gas protects welds from outdoor contamination. Therefore, you will also need a regulator and a gas bottle. To avoid damaging your MIG welder, you shouldn’t use the same gas.

The Small Tungsten Rod

There are several parts inside the TIG torch, so let’s take a look at the inside a little more closely. On the inside of the torch, a small tungsten rod can function as an electrode that comes in various sizes. This electrode won’t burn up like a filler rod under the same conditions. You can also shape the tungsten as you like, whether you want it as a point or a ball, to fit your welding process.

The Copper Collet

There is a copper collet holding the tungsten together. Because the welding cup sticks out of the copper collet, the copper collet will help you adjust the length of the tungsten. You can unscrew, remove, and replace the pink ceramic cup on most TIG welders when you need to modify it. 

Collets’ bodies feature numerous cross-holes through which the gas can expand into the cup and then revolve around the tungsten. It is not safe to use oxygen for welding because it contaminates the work. It’s necessary to loosen the collet’s back cap to remove the tungsten to sharpen or replace it.

Foot-Operated Mechanisms

Additionally, some machines use foot-operated controls that allow for a range of amperage settings. Welders usually come preset with the maximum AMPs they need. During the process, the ampacity can be adjusted with this mechanism.

With the foot control, welders can slowly raise the temperature and then lower it once they have finished welding alloy steels. By starting and stopping gently, the metal won’t be shocked by the temperature change. A brittle weld is a result of shocking the metal.

Controls

A TIG machine also features a variety of controls. When you are welding aluminum with a TIG machine, balancing is a crucial function to become familiar with, which is imperative. Keeping the balance between cleaning and aluminum penetration allows for optimal cleaning. You will be able to weld deeper into the metal when you increase the balance on the machine.

You can also choose from a standard or pulsed mode on your TIG machine. While welding aluminum with a TIG welder in the pulsed mode, you’ll find that the amperage automatically changes. So your weld will come out better if you can keep the heat down on your workpiece. Welders use pulses to create patterns like stacked dimes and waves in their welding. The first step in understanding how and when to use a TIG welder is to know how MIG welding works and the differences between TIG and MIG welding.

When is TIG Welding Commonly Used?

You have to read the complete guide given below:

  • Minor, thin metals, such as aluminum, are the best for TIG welding. The higher accuracy of TIG welding allows welders to perform actions on light metals more easily. 
  • TIG welding gives you more control and allows for more precision, so it’s an excellent choice for accuracy, pretty welds.
  • A TIG weld will give your project an elegant weld bead appearance. You can control and adjust your TIG weld with more precision, so you’ll get better results. The TIG welding process is often required for jobs that require a strong bond and a more stylish look. Pipelines, electronics, and nuclear jobs often require TIG welding. 
  • Other types of welding cannot be used if the materials are fragile or if the thickness is between a thousandth and a thousandth of an inch. When it comes to thin, small areas, TIG welding is the only kind that will work since it gives you many accuracies. 
  • In addition to bicycles, tools, carts, furniture, shelving, the technology can serve as a method for all manner of home improvement projects, including jewelry repair.

Many industries like Aerospace, Automotive, and Manufacturing utilize MIG welding or plasma arc welding instead of TIG welding.

MIG and TIG Welding

We have to examine both MIG welding and TIG welding to gain a clear understanding of TIG welding and when you’ll need to use it. The purpose of this lesson is to help you complete your first welding project by explaining when to use MIG welding and when to use TIG welding.

First, let’s take a closer look at MIG welding. MIG (inert metal gas) welding involves the feeding of metal wire continuously into the weld. To make it easier to combine two metal objects, the cord uses the supply as filler material. MIG welding is also called GMAW or Gas Metal Arc Welding.

As you weld metal objects together with MIG welding, you use a consumable filler. As a result, MIG welding is more useful when you have to weld thicker, larger metal objects. A MIG weld can merge denser objects in a short period of time when you’re working with more abundant metals than a TIG weld could.

The TIG torch needs to reach a sufficient temperature to fuse two objects since TIG welding rarely employs a filler material. It makes sense why thinner metal pieces would be easier to work with than thicker ones. You may experience brittle welds, cracked metals, and other issues if you use TIG welding with more abundant metals.

When you start welding, you will need to know that MIG will be used for thick, heavy metal. TIG welding is better suited to welding thin metal pieces. To better understand when using TIG welding, we will talk about the control you’ll have with TIG and MIG welding.

Control in MIG and TIG Welding

It is important to control elements such as timing, current, and pressure during TIG weld. Welders, especially newbies, prefer electronic welding with numerical control Welding machines (CNC). TIG welding is very controlled with these machines. On the other hand, a manual welder is much harder to use because of its difficulty in control.

You must consider the material you are welding before deciding how to weld it. Because MIG welding leaves substantial filler behind, it is excellent for heavy-duty welding projects involving thicker or larger metals.  In the long run, welding projects you complete this way will save you money. Due to the fact that TIG welding does not use the welding electrode continuously while welds, it also requires a comparatively low level of maintenance.

However, between each use of the electrode, TIG welding attendees should clean and polish it. To correctly weld stainless steel, you need to make sure your TIG electrode is clean. Therefore, you use TIG welding to join smaller metal pieces and MIG welding to join larger metal pieces. The welding process cannot be suited to a single solution. Choosing the appropriate welding process depends on the application. In order to assist you in making a more educated decision, we’ll explain in more detail below when TIG or MIG welding is recommended. We’ll emphasize the steps to analyze these situations.

How to Complete a TIG Welding Project

In the following few sections, we will cover how to complete a TIG welding project since we have discussed enough up to this point to give you a good idea of when to use TIG welding. With TIG welding, it is possible to weld copper, titanium, and aluminum. TIG welding is also ideal for challenging projects, such as curved surfaces and rounded metal edges.

Below we outline steps for completing your next TIG project.

Step #1: Select Your Electrode

Selecting the electrode is the first step. Your TIG probably already has the right electrode on it. Moreover, aluminum can be welded using tungsten rods. For the purpose of this example, we will use the alloy 6061 aluminum as a reference. 

Step #2: Get the Electrode Ready

Once the tungsten rod is ground to a high point, you will prepare your electrode. For a brand-new rod or one that doesn’t have a pointed or round tip, you’ll have to complete this step. Heat rounds out the tip as you weld. For DC welding, it is best to use a pointed tip instead of a ball tip. 

Step #3: Place the Electrode in the Collet

After removing the electrode holder, you’ll need to insert your rod, then screw the back on. If you already have your electrodes ready, you can skip this step.

Step #4: Select Your Settings

On a TIG welder, you can choose between two types of settings: DCEP and AC. We selected AC for our aluminum project because that’s what you need to weld aluminum. However, for future reference, we’ll also describe the other parameters. DCEP refers to “DC, Electrode Positive,” which you’ll use when balling your tip or stick welding. For future reference, we will also describe the other parameters.

When setting up cleaning/penetration settings, you must set them to penetrating level. 7 is a reasonable number if you weigh it on a scale from 1-10. Make sure “Air on” is set to around five seconds. The “Max Amps” setting should also be high. We suggest putting the “Max Amps” setting at about 250. 

This handy settings calculator can be used to get other information about specific settings.  We would use pure argon in our example since aluminum is used. You will use both argon and carbon dioxide when welding steel.

Step #6: Get Your Metal and Welding Table Ready

To weld metal, you will need large metallic areas where electricity can flow. In this situation, we usually use a table that’s specifically designed. Instead of purchasing a welding table, you can use large sheets of metal. Use a wire brush to clean metal surfaces. Separate this brush from the one used for cleaning steel. Maintaining a clean metal surface requires, the welds will look better.  As you are welding, you must clamp your metals to keep them in place. Spraying anti-spatter on the welding table is a good idea too. So, if you drop the metal, it won’t stick.

Step #7: Get Geared Up

TIG welding requires the appropriate gear to ensure your safety. You’ll have to make sure to keep yourself safe after you have your TIG welder set up and ready to go. For welding, you’ll need a welding helmet, leather gloves, and closed-toed shoes. A welding coat will protect you from sunburn when TIG welding. During welding, you might also need a bright, working flashlight. A Goog TIG welder under 1500 is enough for home use.

Step #8: Do a Final Check

It’s now time to finish checking and prepare to weld. Take the electrode and test it out with your dominant hand. Ensure that you have a stable electrode that is easy to work with.

Step #9: Let’s Get Ready to Weld!

Using your TIG welder is now simple! Set the electrode a few inches from the metal you intend to work with. The electrode should never come in contact with metal. The electrode will become molten if that happens. As soon as you get aluminum on the electrode from accidentally touching the metal, you will have to stop, shut off your welder, take off the tungsten rod, and grind it again. 

You should then press the foot pedal so you can produce a rush of current and heat in your metal. Immediately after heating your metal, you should start your weld pool. Start on an edge if you want the pool to form. The rod should be inserted after the pool has formed, but you should not overheat the metal. Metal that has been cooked for a long time will warp. 

Remember to alternate sides throughout as you do this so that your welds remain even as they cool. Additionally, you can prevent the warping of metal by rotating the sides. Metal may warp if you do not switch sides. 

Step #10: Draw a Bead

After you have tacked your metal, you will remove the clamps. After that, you’ll begin welding. Exactly like we described above, once the welding pool has started, you’ll want to ease off the pedal. As you begin to draw the bead, keep in mind that a few things need to be taken care of.

It’s a sign that too much current is going into the metal if it burns too quickly or melts too fast. If that’s the case, let go of the pedal. Conversely, if your metal begins to become flaky but not fluid-like, then you’d better pedal under more force. 

We’ll start by welding aluminum since that’s what our example is. As you feed the rod into the pool of metal, move the electrode in the direction of the rod. To properly lead your electrode, you must keep the rod on its side.  The electrode should travel along the weld line first, followed by a rod that follows the heat. 

Frequently Asked Questions

When to Use TIG and MIG Welding?

You want more details regarding what types of welding you intend to use, such as TIG and MIG. In the following section, we’ll discuss which welding type is best for each kind of project. Asking yourself questions and considering your answers will help you figure out which welding technique is proper for you. 

What’s the Thickness of the Metal?

As the metal thickness increases, it becomes more difficult to join it by just heating. A TIG welding torch won’t be enough to heat metal that is very thick. Therefore, you should use MIG welding rather than TIG welding when the metal is very dense.

What Electrical Conductivity Do You Need?

The orientation of the metal to be joined should also be considered. Managing heat for a more extended period of time is necessary if you are working with highly ductile metal. A metal with good electrical resistance usually heats up faster than pure metal so that you can use your TIG welder without any filler material.

Are You Welding Dissimilar Metals?

Since welding dissimilar metals could result in weak bonds, we don’t recommend doing it since you could end up with problems. You’re going to want to use a filler and bond when welding dissimilar metals. MIG welding would be your best bet here.

Does the Metal Need to Be Smooth?

As well as smoothness, you need to take that into account. It’s more challenging to get smoother welds with filler materials. That is where your TIG welder comes into play, as you are performing direct metal-to-metal welding.

Final Thoughts

Finally, you have learned about what is TIG welding used for. You should be all set to begin your welding project now that you know what TIG welding is, what it does, and how it is used. With the proper knowledge and skills, TIG welding will enable you to create beautiful jewelry when you’re done, and you will be able to enjoy your new hobby for hours on end.

 

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