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TIG Welding (GTAW)

Miller 200 TIG welderTungsten Inert Gas) welding, which is also known as Gas Tungsten Arc Welding, uses a tungsten electrode ("rod") that is protected from contamination by a shield gas (often argon) and, usually, a filler metal.

TIG is popular for welding thin sheets of stainless steel and non-ferrous metals such as aluminum, magnesium and copper.

Although it can be difficult to master, TIG welding ultimately gives the operator greater control and therefore can lead to stronger, higher quality welds. It is also quieter and cleaner than MIG welding.

Kevin uses a Longevity TigWeld 250 AC/DC in his studio.

Enjoy these videos with TIG welding tips, tricks and techniques ....

How to Decide Whether to Use Your MIG Welder or TIG Welder
How to Decide Whether to Use Your MIG Welder or TIG Welder
Aug 09, 2017
If you have both a TIG welder and a MIG welder, how do you know which one to use when?

Kevin show... read more

What Does a TIG Welder Look Like Inside?
What Does a TIG Welder Look Like Inside?
Jul 05, 2017
Kevin gets questions about import welders and their quality. Are they built OK? Are they put togethe... read more

How to Know When to Fill or Patch a Gap When TIG Welding
How to Know When to Fill or Patch a Gap When TIG Welding
Jun 08, 2017
A new TIG welder asks, "How do I know when my fitup is so bad I need to cut a patch rather than fill... read more

How to Create a 'Stack of Dimes' When TIG Welding
How to Create a 'Stack of Dimes' When TIG Welding
Feb 22, 2017
A new TIG welder asked Kevin how to achieve that "stack of dimes" look. Kevin Caron offers two great... read more

Do You Really Need Your Welder Foot Pedal?
Do You Really Need Your Welder Foot Pedal?
Feb 15, 2017
Kevin is playing with some 16 gauge aluminum and wants to talk about foot pedals.

He says there a... read more

How to Feed a TIG Welding Puddle: Steel vs. Aluminum
How to Feed a TIG Welding Puddle: Steel vs. Aluminum
Feb 01, 2017
A new TIG welder asked why he could weld steel pretty well, but with aluminum he was having trouble ... read more

How to Choose Filler Rod and Tungstens for TIG Welding
How to Choose Filler Rod and Tungstens for TIG Welding
Dec 28, 2016
Kevin is looking at three different sizes of E3 tungstens - the purple top tungstens. He has the 1/8... read more

How to Feed the Puddle When TIG Welding
How to Feed the Puddle When TIG Welding
Dec 21, 2016
In answer to a question from a Facebook fan, Kevin has set up two pieces of 1/8" hot rolled steel pl... read more

How to Use a TIG Welder to Clean Up MIG Welds
How to Use a TIG Welder to Clean Up MIG Welds
Oct 05, 2016
Kevin is working hard in his welding shop once again answering questions sent by his fans. This ques... read more

AHP 160 vs Everlast 160 - TIG Welder Test
AHP 160 vs Everlast 160 - TIG Welder Test
Sep 28, 2016
Both the AHP 160ST and the Everlast PowerARC 160STH are stick welders (arc welders) and TIG welders.... read more

How to TIG Weld Better Using Either Hand
How to TIG Weld Better Using Either Hand
Aug 10, 2016
Do you TIG weld righthanded or lefthanded?

Some guys might be thinking, "Why does that matter?" ... read more

How to Pick the Right Size TIG Filler Rod
How to Pick the Right Size TIG Filler Rod
Jun 29, 2016
A viewer, Richard, pointed out that there isn't much if any advice on how to select the right filler... read more

How to TIG Weld With AHP's $240 Alpha 160ST
How to TIG Weld With AHP's $240 Alpha 160ST
Jun 22, 2016
Kevin wants to try out the TIG function on this amazing little welder, which both stick welds (arc w... read more

Why I Love TIG Welding
Why I Love TIG Welding
May 11, 2016
Kevin is TIG welding a bell stand for one of his sound sculptures. He often gets asked why he likes ... read more

Why You Want to Wear Welding Safety Equipment
Why You Want to Wear Welding Safety Equipment
Apr 20, 2016
Kevin is sitting at his workbench, with an egg in a dish beside him, reading something on his phone.... read more

How  to Weld Tight Angles
How to Weld Tight Angles
Apr 13, 2016
One of Kevin's Facebook fans is making an awning and trying to weld the inside of a very tight angle... read more

What is High-Speed Pulse Welding and Why Would You Use it? Using the New AHP AlphaTIG 200
What is High-Speed Pulse Welding and Why Would You Use it? Using the New AHP AlphaTIG 200
Nov 04, 2015
Kevin shows off the brand new AHP AlphaTIG 200 TIG welder, which hasn't even been released yet. AHP ... read more

How to Weld Thin Copper Using a Wireless Foot Pedal
How to Weld Thin Copper Using a Wireless Foot Pedal
Oct 28, 2015
Kevin got out his older Miller Syncrowave 200 TIG welder for a good reason. It was his first TIG mac... read more

Why You Need to Clean Metal Before Welding
Why You Need to Clean Metal Before Welding
Sep 09, 2015
Kevin is asked to prove that it matters if the metal you are welding is clean. What happens if you d... read more

How to Weld Thick Metal With a TIG Welder
How to Weld Thick Metal With a TIG Welder
Sep 02, 2015
Kevin is setting up his new Everlast PowerTIG 251Si multiprocess welder for TIG welding some railroa... read more

What is the Difference Between TIG Lift Start and High Frequency Start?
What is the Difference Between TIG Lift Start and High Frequency Start?
Aug 19, 2015
A new TIG welder asked, "What is the difference between high frequency and lift start?"

High freq... read more

What Are Collets and How Do You Use Them?
What Are Collets and How Do You Use Them?
Aug 12, 2015
Collets are a sleeve that uses pressure and friction to hold something in place. They're used in TIG... read more

What Are TIG Filler Rods and How Do You Use Them?
What Are TIG Filler Rods and How Do You Use Them?
Jul 15, 2015
A viewer who has just started TIG welding asked Kevin what TIG filler rods are and what he needs the... read more

What to Do When You Stick Your TIG Tungsten
What to Do When You Stick Your TIG Tungsten
Jul 08, 2015
Kevin shows what happens when you contaminate your TIG tungsten. A viewer who just bought an AHP Alp... read more

How to set TIG Welding Amperage - Kevin Caron
How to set TIG Welding Amperage - Kevin Caron
Jul 01, 2015
Kevin starts by sharing some of his, uh, mail, including an email from a viewer who asks, "How do I ... read more

What is the Difference Between Welding With 110 and 220 Volts?
What is the Difference Between Welding With 110 and 220 Volts?
May 20, 2015
Someone who just bought an AHP AlphaTIG 200X asked about the difference between welding using 110 vo... read more

Why I Replaced the Foot Pedal on My Everlast POWERTIG 255EXT
Why I Replaced the Foot Pedal on My Everlast POWERTIG 255EXT
Apr 01, 2015
Kevin has two foot pedals on his workbench, the one that came with Everlast's POWERTIG 255EXT and a ... read more

How to Know if You Want a Better Foot Pedal for your AHP TIG Welder - and What to Do About It
How to Know if You Want a Better Foot Pedal for your AHP TIG Welder - and What to Do About It
Mar 18, 2015
Kevin is playing with the stock foot pedal for the 2015 AHP AlphaTIG 200X TIG welder. He says that, ... read more

The Top 12 Things You Need Now That You Have Your TIG Welder
The Top 12 Things You Need Now That You Have Your TIG Welder
Mar 04, 2015
A viewer who just bought an AHP AlphaTIG 200X asked what he needs to get before the machine arrives ... read more

Introducing Longevity's 250 EX TIG Welder - With a Really Cool Torch
Introducing Longevity's 250 EX TIG Welder - With a Really Cool Torch
Feb 18, 2015
First Kevin shows us the torch, which is an improvement on Longevity's last torch with hand controls... read more

How to TIG Weld With Everlast's Portable PowerARC 140ST
How to TIG Weld With Everlast's Portable PowerARC 140ST
Feb 04, 2015
Everlast's PowerARC 140ST comes with a TIG torch with a small knob on it. The knob controls gas flow... read more

Checking Out a Very Affordable Stick / TIG Welder: Everlast's PowerARC 140ST
Checking Out a Very Affordable Stick / TIG Welder: Everlast's PowerARC 140ST
Jan 26, 2015
After a request from a viewer, Kevin is looking at a small suitcase that Everlast sent him.

He op... read more

How to Switch a Multiprocess Welder From MIG to TIG Using the Longevity MTSPro 252i
How to Switch a Multiprocess Welder From MIG to TIG Using the Longevity MTSPro 252i
Dec 03, 2014
Kevin is holding the small connector he needed to replace the larger connector to hook up the TIG to... read more

Introducing the New AHP AlphaTIG 200X, 3rd Generation
Introducing the New AHP AlphaTIG 200X, 3rd Generation
Nov 19, 2014
Kevin is excited to have received the newest generation of AHP's AlphaTIG 200X TIG welder.

If yo... read more

How to Weld Together a Copper Goblet
How to Weld Together a Copper Goblet
Nov 05, 2014
When we join him, Kevin is welding the base to the stem of the copper goblet. The copper is red hot.... read more

Why You Can't Use the Same Gas for All Welders
Why You Can't Use the Same Gas for All Welders
Jul 09, 2014
Mr. TIG from Weld.com drops by the studio gets the video started by greeting Kevin, who explains he ... read more

TIG Welding:
TIG Welding: "What Could Possibly Go Wrong?!"
Jun 04, 2014
Kevin has heard from some people who have just gotten a TIG welder and can't get it to work. They ca... read more

How to Check and Adjust Your TIG Welder's High Frequency Points
How to Check and Adjust Your TIG Welder's High Frequency Points
May 21, 2014
The video starts with a mystery greeter asking Kevin what he's doing as he peers inside an open AHP ... read more

How to Choose Which to Use: Your TIG or Stick (Arc) Welder
How to Choose Which to Use: Your TIG or Stick (Arc) Welder
Apr 30, 2014
Kevin got a question from someone who has just started welding and wants to buy his own welder: he's... read more

How to Use Advanced Pulse When TIG Welding (or not)
How to Use Advanced Pulse When TIG Welding (or not)
Apr 09, 2014
Kevin is still learning to use all the functions of Everlast's POWERTIG 255EXT, including its advanc... read more

What Welding Waveforms Are and How to Use Them
What Welding Waveforms Are and How to Use Them
Apr 02, 2014
After trying to talk over the TIG welder while the machine is running, this how-to video begins with... read more

How to Weld in Tight Places
How to Weld in Tight Places
Mar 12, 2014
Kevin is working on a new sculpture, read more

Introducing the Second Generation AHP AlphaTIG 200X
Introducing the Second Generation AHP AlphaTIG 200X
Mar 05, 2014
Kevin says AHP has made some nice changes on the new version of its AlphaTig 200X, making it easier ... read more

Testing Everlast's POWERTIG 255EXT for DC Welding
Testing Everlast's POWERTIG 255EXT for DC Welding
Jan 08, 2014
When we join Kevin, he's welding some aluminum using AC, learning more about its advanced AC pulse f... read more

Introducing Everlast's POWERTIG 255EXT
Introducing Everlast's POWERTIG 255EXT
Dec 25, 2013
Kevin starts out by showing us the "Green Monster," Everlast's new POWERTIG 255EXT. He raves about t... read more

How to TIG Weld Aluminum Using the AHP Alpha TIG 200X
How to TIG Weld Aluminum Using the AHP Alpha TIG 200X
Dec 11, 2013
A viewer from Connecticut has asked for help welding aluminum with AHP's Alpha TIG 200X. So Kevin gr... read more

How to Use the AHP AlphaTIG 200X 200-Amp Welder
How to Use the AHP AlphaTIG 200X 200-Amp Welder
Sep 25, 2013
Kevin is working on a sculpture that is a four-cube tesseract and decides to break out the new AHP A... read more

Introducing the AHP AlphaTIG 200DX 200-Amp Welder
Introducing the AHP AlphaTIG 200DX 200-Amp Welder
Sep 18, 2013
Kevin introduces the AHP Alpha-TIG 200X, a new welder that is creating a lot of buzz. He likes the m... read more

How to Change TIG to MIG to Arc on a Multiprocess Welder
How to Change TIG to MIG to Arc on a Multiprocess Welder
Sep 11, 2013
Kevin is creating a sound sculpture and needs to change his Longevity ProMTS 200 Longevity welder fr... read more

Tips and Tricks for Longevity's ProMTS 200 Multiprocess Welder
Tips and Tricks for Longevity's ProMTS 200 Multiprocess Welder
Aug 21, 2013
Kevin fires up Longevity's new multiprocess - TIG, MIG, stick - welder and shares some tips and tric... read more

When to Use MIG Welding vs. TIG Welding
When to Use MIG Welding vs. TIG Welding
Aug 15, 2013
Kevin says TIG welding so precise and so clean, that most of the time, there is no clean up when it'... read more

Back to Basics: How to AC TIG Weld Aluminum
Back to Basics: How to AC TIG Weld Aluminum
Aug 01, 2013
TIG expert Wyatt "Mr. TIG" Swaim and artist Kevin Caron tackle AC TIG welding aluminum .... First, ... read more

Back to Basics: DC TIG Welding - Weld.com and Kevin Caron
Back to Basics: DC TIG Welding - Weld.com and Kevin Caron
Jul 25, 2013
TIG expert Wyatt "Mr. TIG" Wyatt and artist Kevin Caron talk about and do some DC TIG welding while ... read more

Back to Basics: Getting Started With TIG Welding - Weld.com and Kevin Caron
Back to Basics: Getting Started With TIG Welding - Weld.com and Kevin Caron
Jul 18, 2013
TIG expert Wyatt "Mr. TIG" Swaim and Kevin sit down to talk about the fundamentals of TIG welding ..... read more

How to Use the Amperage Control and Panic Button on Longevity's TigWeld 200EX TIG Welder
How to Use the Amperage Control and Panic Button on Longevity's TigWeld 200EX TIG Welder
May 29, 2013
You may never use a welding foot pedal again! In this how-to video, Kevin shows how the amperage con... read more

Introducing the Longevity ProMTS 200 MIG / TIG / Arc Welder
Introducing the Longevity ProMTS 200 MIG / TIG / Arc Welder
May 15, 2013
Kevin can't wait to dig into a box from Longevity, Inc. It contains the Longevity ProMTS 200 multipr... read more

A Review of Longevity's New TigWeld 200 EX TIG Welder
A Review of Longevity's New TigWeld 200 EX TIG Welder
May 01, 2013
After two weeks of using Longevity's new TigWeld 200 EX TIG welder, Kevin weighs in on some of the w... read more

How to Pick Your First Welder
How to Pick Your First Welder
Feb 27, 2013
After many requests from viewers, Kevin tackles the question of how to pick your first welder. The a... read more

Which is Better? Air- vs. Water-Cooled TIG Welding Torches
Which is Better? Air- vs. Water-Cooled TIG Welding Torches
Feb 06, 2013
What's the difference between an air-cooled torch and a water-cooled (actually coolant-cooled) torch... read more

How to TIG Weld Without a Foot Pedal
How to TIG Weld Without a Foot Pedal
Jan 30, 2013
(Blooper alert!) Kevin takes time out from creating his latest sculpture to answer a viewer's questi... read more

How to Pick the Right TIG Welding Cup
How to Pick the Right TIG Welding Cup
Jan 23, 2013
Kevin answers a viewer's question about TIG cups (even if he can't resist talking about OTHER cups).... read more

How to Weld Copper to Steel for Art
How to Weld Copper to Steel for Art
Jan 09, 2013
Kevin helps out a fellow artist who wants to weld copper letters and emblems to horseshoes. Kevin de... read more

How to TIG Weld Steel and Aluminum With Longevity's New 160SX
How to TIG Weld Steel and Aluminum With Longevity's New 160SX
Jan 02, 2013
Kevin is ready to weld with read more

Introducing the New Longevity TigWeld 160SX
Introducing the New Longevity TigWeld 160SX
Dec 15, 2012
Kevin opens the box of his new read more

How to Fuse Weld - or Should You?
How to Fuse Weld - or Should You?
Dec 05, 2012
Kevin addresses how to fuse weld with a TIG welder - and whether you should fuse weld at all. In fus... read more

TIG Welding vs. Arc Welding - Which Welder When?
TIG Welding vs. Arc Welding - Which Welder When?
Nov 13, 2012
Kevin answers a question from someone who has a combination TIG - arc welder about how to know when ... read more

How to Easily Sharpen TIG Welding Tungstens
How to Easily Sharpen TIG Welding Tungstens
Nov 07, 2012
Ever ingenious, Kevin shares a trick he uses to easily sharpen the tungstens for his TIG welder. Thi... read more

How to Adjust the Size of TIG Welding Tungstens
How to Adjust the Size of TIG Welding Tungstens
Oct 31, 2012
Kevin shares a trick for TIG welding in tight places. He shows a small accessory that likely comes w... read more

First Time TIG Welding
First Time TIG Welding
Oct 10, 2012
Kevin helps YouTube buddy Ryan Barker TIG weld for the first time. Kevin explains how the pedal work... read more

How to Weld With a Longevity TIG Welder
How to Weld With a Longevity TIG Welder
Apr 11, 2012
Kevin begins a new sculpture using his Longevity TigWeld 250AC/DC TIG welder to weld together a 1-in... read more

How to Use the Controls on a Longevity TIG Welder
How to Use the Controls on a Longevity TIG Welder
Jan 11, 2012
Kevin shows how to use the controls on Longevity's TigWeld 250 AC/DC TIG welder, focusing on each co... read more

How to Set Up a Longevity TigWeld 250 AC/DC
How to Set Up a Longevity TigWeld 250 AC/DC
Jan 04, 2012
Kevin shows how to put together a Longevity TIG welder, fresh out of the box. He shows all the parts... read more

Choosing a Welder: MIG, TIG, Arc or Oxygen-Acetylene?
Choosing a Welder: MIG, TIG, Arc or Oxygen-Acetylene?
Aug 17, 2011
Kevin explains how he decides which welder to use: his MIG welder, TIG welder, arc welder or oxygen-... read more

How to TIG Weld Aluminum
How to TIG Weld Aluminum
Jun 15, 2011
Kevin shares tips and tricks and shows how to weld aluminum to make a goblet he can turn in his meta... read more

TIG Welding Copper to Steel
TIG Welding Copper to Steel
Jun 08, 2011
Kevin shows how he welds copper to steel to create an unusual accent that can be highlighted with wa... read more

How to TIG Weld Vertically
How to TIG Weld Vertically
Jun 01, 2011
Using his Miller TIG welder, Kevin shows how to weld vertically, bottom to top.... read more

TIG Welding Copper
TIG Welding Copper
Mar 15, 2011
Kevin invites you into his studio where he shows how to weld copper using a TIG welder and a cheap, ... read more

Welding Preparation for Best Results
Welding Preparation for Best Results
Nov 16, 2010
When MIG welding or TIG welding, preparing the metal - including adding a chamfer - can make a big d... read more

How to Make Welding Rod
How to Make Welding Rod
Oct 21, 2010
While working on a weathering steel (Cor-ten) piece, Kevin decided, rather than buying welding rod f... read more

TIG Welding: How to Finetune Your Torch Angle
TIG Welding: How to Finetune Your Torch Angle
Oct 12, 2010
What is the optimum angle to hold your TIG welding torch? Kevin shows the best way to hold your torc... read more

TIG Welding: How to Feed the Wire
TIG Welding: How to Feed the Wire
Jul 27, 2010
How do you feed the wire when using a TIG welder? Kevin shares a couple of techniques for TIG weldin... read more

TIG Welding: How to Hold the Torch
TIG Welding: How to Hold the Torch
May 19, 2010
Kevin says there's no need to "choke the chicken" when holding the TIG welder torch. He addresses "w... read more

TIG Welding: How to Sharpen the Tungsten on Your TIG Welder
TIG Welding: How to Sharpen the Tungsten on Your TIG Welder
Jan 20, 2010
Kevin shares tips on how to sharpen the tungsten in a TIG welder to make it easier to weld and save ... read more

TIG Welding: Adjusting Controls on Your Welder
TIG Welding: Adjusting Controls on Your Welder
Jan 12, 2010
In response to a YouTube video request, Kevin explains how he adjusts his TIG welder for welding.... read more

Metal Artist Kevin Caron Shows How to Weld Two Steel Plates
Metal Artist Kevin Caron Shows How to Weld Two Steel Plates
Oct 28, 2009
He may not be a certified welder, but based on a YouTube request, sculptor Kevin Caron shares how to... read more

TIG Welding Technique
TIG Welding Technique
Apr 02, 2009
TIG welding offers a lot of advantages over MIG welding, arc and oxygen-acetylene welding. Kevin sho... read more

Metal Art Sculptor Kevin Caron Compares Arc, MIG and TIG Welders
Metal Art Sculptor Kevin Caron Compares Arc, MIG and TIG Welders
Jan 23, 2009
Kevin compares arc welders, MIG welders and TIG welders, explaining how they work and their respecti... read more

Assembling Abloom with the TIG Welder
Assembling Abloom with the TIG Welder
Jun 24, 2008
Kevin uses the TIG welder to put together the three parts of Abloom, the stainless steel sculpture h... read more

TIG Welding on Stainless Steel Sculpture, Calyx and Design Fun
TIG Welding on Stainless Steel Sculpture, Calyx and Design Fun
Apr 29, 2008
Kevin zeroes in on the finish work on Calyx - see the TIG in action - and shows the pattern for a ne... read more

TIG Welding by Phoenix Sculptor Kevin Caron
TIG Welding by Phoenix Sculptor Kevin Caron
Apr 21, 2008
Kevin plays with his new toy - I mean tool! - a TIG welder, as he works on sculptures Calyx and a ne... read more