Which one should I get– MIG vs TIG welding? Or which one will be better for my workshop or factory floor? If these are the questions that confuse you while deciding on a particular type. This article helps you understand the details in much simpler terms without going into the technical details. Let’s just skim through them and break down the main question of ‘what is MIG and TIG welding?’
Once you get acquainted with their features, you can compare them and decide which one you need to go ahead with. So, read on if you wish to make the right purchase on platforms like L&T-SuFin.
What is MIG Welding?
MIG or Metal Inert Gas welding uses a continuous solid wire electrode fed through a welding gun. This is a type of arc welding that joins two base materials together, and a shielding inert gas protects the weld pool from contamination. Another name for it is Gas Metal Arc Welding (GMAW).
Welders can learn it faster because they find it easier than other methods. So, it has become useful in different industries. The design of the MIG Welding Machine is such that the welder can operate with one hand. It is fit for high-production environments and with thick or large materials.
What is TIG Welding?
TIG or Tungsten Inert Gas welding uses a filler rod that is fed manually. There is a non-consumable tungsten electrode. This type of arc welding forms an arc between the electrode and the base material. Here, a shielding gas (mostly Argon) keeps the weld pool from contamination.
As the welder is feeding the filler rod manually, they are able to control the torch. So, it becomes a more skill-requiring process. The design of the TIG Welding Machine is very good at producing precise and clean welds. It works equally well for thin or non-ferrous metals like–
- Stainless steel
- Aluminium
- Copper alloys
The sectors where weld quality and appearance matter often use TIG.
Key Differences Between MIG and TIG Welding
The MIG & TIG welding difference is in many different terms:
| Feature | MIG Welding | TIG Welding |
| Full Form | Metal Inert Gas | Tungsten Inert Gas |
| Electrode Type | Consumable wire | Non-consumable tungsten |
| Filler Method | Wire is automatically fed | Manual filler rod |
| Ease of Use | Easier to learn and use | Requires more skill and practice |
| Speed | Faster for longer welds | Slower, more controlled process |
| Material Fit | Best for thicker metals | Ideal for thin or delicate metals |
| Weld Appearance | Slightly rougher finish | Clean and smooth finish |
| Automation | Easier to automate | Mostly manual operation |
| Heat Control | Limited heat control | Excellent heat control for precise welding |
| Cost | More cost-effective for large-scale jobs | More expensive due to slower process and skilled labour |
| Penetration | Deeper penetration on thick sections | Shallower, controlled penetration for thin materials |
| Maintenance | Lower maintenance, easier setup | Requires cleaner working conditions and steady hands |
| Gas Type | Argon or argon + CO₂ mix (inert or semi-inert gas) | Pure argon (inert shielding gas) |
| Best Used In | Fabrication, auto repair, general metalwork | Aerospace, medical tools, artistic, and precision welding |
Now, the question: what is the difference between MIG and TIG welding? Your work specifics will define the right choice.
Pros and Cons of MIG and TIG Welding
The knowledge of the advantages and limitations of MIG welding and TIG welding method is very helpful:
| MIG Welding | TIG Welding | |
| Pros | High welding speed (great for thick materials and production runs)Easy to learn (for beginners and semi-skilled workers)Cost-effective (faster process reduces labour costs)Works well with automation | High precision (perfect for fine and delicate work)Strong, clean welds with minimal defectsNo spatter and less post-weld cleanupExcellent control (good for artistic and complex welds) |
| Cons | Not suitable for thin or decorative metalsRequires gas shielding (not ideal for outdoor use)Weld appearance is rougher | Slower processRequires higher skill and trainingLess suited for high-speed or mass production |
So, you can now choose which one is the right method for your business.
- MSMEs that focus on volume production (fabrication, automotive repairs, or metal furniture): MIG welding machines are likely the better option with fewer training requirements.
- Businesses that deal with delicate materials, aerospace parts, or items where visual appeal matters: TIG welding machines give more control.
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FAQs
Is MIG welding easier than TIG welding?
Yes, MIG welding is easier than TIG welding. You can learn and operate faster. It uses an automatic wire feed and requires less coordination. Therefore, it is ideal for beginners and high-speed applications in industrial setups.
Which is better MIG or TIG welding?
It depends on your project. MIG welding is better for thick metals and large-scale production due to its speed and ease. TIG welding is better for precision, clean finishes, and thin materials. Choose based on your application needs.
Which gas is used in MIG welding?
MIG welding uses inert gases like argon or a mix of argon and carbon dioxide. These gases shield the weld area from contamination. You get a clean and strong joint.
Where is TIG welding used?
TIG welding is commonly used in industries that require high precision and neat welds, such as aerospace, automotive, bicycle manufacturing, and even in the making of kitchen equipment and medical tools.
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