April 30th, 2008 
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Welding gases and fumes may be hazardous to your health. All welding processes produce hazardous gases. Gases are invisible to the eye and does not contain odor. Ultraviolet rays from the arc produce gases such as carbon monoxide, carbon dioxide, oxides of nitrogen and ozone. Fumes are also produced while welding. Welding “smoke” is an example of a visible fume.
Symptoms of harmful exposure produced during welding are as follows: You may have irritation in your eyes, nose and respiratory system, skin. Some other symptoms may be cough, chest pain, headaches, nausea, vomiting and fatigue. If you have these problems, consult a doctor and explain what you do for a living.
Welding gases and fumes do not cause immediate health problems. But as you keep working for various years as a welder and find out that breathe in gases and fumes in quantities is greater than OELs (Occupational Exposure Limits) your health will be affected. Quantity of gases and fumes caused by welding depends upon welding processes and other variables like current, voltage, type of electrode, polarity and type of shielding gas.
You can reduce exposure to welding fumes and gases by wearing respiratory protection, by implementing work rest schedules and safe-work practices, by introducing engineering controls and improving ventilation and substituting less hazardous flux materials.
To protect yourself from these gases and fumes you should take certain steps. Effective exposure is the first step to controlling exposure. Before starting to work, find out whether the fan is in working condition and filters are clean. Find out what materials and hazards you are dealing with. Before starting your work, make sure you read the Material Safety Data Sheet (MSDS) supplied with welding electrodes.
Use respiratory equipment because it is very important. Greater risk is involved while welding plasma arc and arc gouging. They are also high while welding stainless steel, alloy steel as well as galvanized, coated and painted steels. Always use respiratory equipment under such conditions. According to law, respiratory protective equipment must be of an approved type; suitable for hazard; must be selected and fit tested according to CSA standard and employer is responsible for providing appropriate equipment.
Examples of numerous other hazards present during welding are eye hazards, burns, electric shock, fire and explosion, compressed gas cylinders, heat stress, dust hazards, overhead, excessive noise levels and confined spaces.
A welder can get problem in his eyes due to ultraviolet rays, flashes, spatter, chipping or grinding. Burns can happen due to radiation, hot metal spatter or handling hot tools and equipment. Welding operator can get electric shock if cables are damaged, lack of proper gloves and working in wet conditions.
Hazards due to compressed gas cylinders can happen if there’s damage to cylinder valves and flashback.
Watch the video related to tig welding
Welding a corner joint using a TIG welding torch
Help answer the question about tig welding
Is pulse essential when AC tig welding aluminum?Hello,
I am shopping around for a TIG welder, as anyone would see, tig is a fairly expensive feature on a welder. I have spoke with a few guys (they are trying to sell their TIG) and they often state that the pulse feature is entirely unneeded. I really can't say so one way or another so I am hoping for some great personal feedback.
Thank you!
About Author
Brayan Peter is an expert author for Welding Equipments, Gas Welding. He written many articles like Spot Welders, Pipe Welders, TIG Welder, MIG Welder, Plasma Cutting Machines, Diesel Generators. For more information visit our site http://www.everlastgenerators.com. Contact him at weldings.info@gmail.com
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wow, tell us something we dont know…
The guy is no more than a poster, he make money on his videos, like a Jack of all trades and master of none, Sorry dude! I am a retired Steamfitter, and control tech, UA, (union) I have the nuclear, oil, paper and food industries behind me, I have taught classes on , smaw, tig, mig, s/s 304-to 316ls, dissimilar metals, w/ k and J rings, pulsearc© and the bore scope process, and different type xrays you do a very poor job of explaining the processes of welding and techniques,
Mig and TIG welding are all arc welding. TIG is arc welding in the presence of a tungsten electrode which is non-consumable and an inert gas and the welded material. This is usually used in the aircraft industry. MIG welding is still arc welding in the presence of argon and wire feed consumable. TIG is usually a better welding technique. These are different from stick arc welding which uses flux coated sticks in developing an arc.
The short answer is no.
There is not a massive amount of industry around the coastal areas of spain , and any welding work would really be centred around making Gates , Fences and Rejas ( Security Grilles ). If this is something that you are able to do then my advise would be to looking at starting this as your own business because you would struggle to find reasonably well paid work like this on a permanent legal contract here in Spain
This guy is good, not typical of expert village.
expert village is by far the worse thing ever
Please read:
What is right for you, MIG or TIG? For certain type of work TIG is required, like welding chrome moly for some racing organizations. Intricate work, like gunsmithing is also well suited to TIG. TIG is used by many auto restorers who prefer a more precise, perfect finish that requires little to no finish work. TIG is most similar to gas welding in technique, so if you've done oxy-fuel welding, TIG should be a natural transition.
TIG stands for Tungsten Inert Gas welding. Also called GTAW (Gas Tungsten Arc Welding) and Heliarc® which was Linde's trade name for the TIG process when it was introduced many years ago. The arc is started with a tungsten electrode shielded by inert gas and filler rod is fed into the weld puddle separately. A slower process than MIG, it produces a more precise weld and can be used at lower amperages for thinner metal and can be used on exotic metals. TIG does require quite a bit more time than MIG to learn. It is similar in technique to gas welding.
MIG is required by law and by insurance companies in many localities for structural repair of automotive frames. MIG is also much easier to learn and faster to weld. For doing other types of welding, like sheet metal, it can be a matter of personal preference. For an auto body repair shop or a novice welder, a MIG is a good, practical all-around welder.
After welding and if application is critical , solution annealing is preferable.
When you talk about pulse tig it is mostly DC welding. You use the pulse to help reduce the distortion. It is mostly used on all ferrous metals. You do not need or have the pulse feature on AC for aluminum. You would need an AC or AC/DC machine for tig welding aluminum. They are some what costly. When tig welding you need to stay with the better name brand welders. Thermal arc, Hobart, Miller, and Lincoln are all good machines. To weld 1/4" aluminum you need approximately 200 or more amps. So this puts you into a machine that is in the $2000 range. Then you need a bottle of argon gas. If welding for any length of time at those amps you would need a water cooled torch. Not to mention the water cooler, foot pedal and all the other items needed. All these items are costly. I am not trying to discourage you but you need to know it is going to cost you some bucks to invest in all the equipment you will need. Good luck!
(30 years as a certified welder)
What you have to your advantage is being able to Oxygen- Acetylene weld. You need to be able to use both hands. One to manipulate the TIG Torch and the other hand to feed and dip the filler wire. Good Luck !
This bloke reminds me of a guy I know. He’s been welding pipe for 51 yrs.I’m thinking of chopping and dropping a beach cruiser.I think i’ll give him a shout.
What's your question?
I was working for a company welding aircraft parts. APU assemblies for boeing, lear, and raytheon. I was recieving $18 and hour but would have been able to make more through raises and fringe benefits. i ended up quitting because they cut out all overtime. I need certs for all kinds of AL, S.S., And CrMo. I had to get tube, and plate from .020 to .375 certs before I even started welding on the parts and that took a couple of weeks….
I think a lot of people hear about guys making $40 an hour and think they can jump in on that but what they don't realize is those guys have been doing it for years and have recived annual raises etc.
You will weld in accordance to the weld procedures that will be given to you for the specific materials mentioned.
porosity in the finished weld, which means that air bubbles get trapped inside the weld bead!It also means the metal has more carbon, or the cup size is wrong, the argon mixture or co2 is wrong, rust in the joint, or did you forget to clean the filler wire,(well it dose happen)preheat joint,( it will pull moisture out) The purpose of shielding gas is to keep the air atmosphere away from the weld pool. Without it, the weld pool reacts with the oxygen, nitrogen and hydrogen is that better
click on the add he has, thats called making money, you can do it to, it is wrong when you don’t tell the true facts, But he or what he pretends to be seams ok, cause he making money
Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding, is an arc welding process that uses a nonconsumable tungsten electrode to produce the weld. The weld area is protected from atmospheric contamination by a shielding gas (usually an inert gas such as argon), and a filler metal is normally used, though some welds, known as autogenous welds, do not require it. A constant-current welding power supply produces energy which is conducted across the arc through a column of highly ionized gas and metal vapors known as a plasma.
GTAW is most commonly used to weld thin sections of stainless steel and light metals such as aluminum, magnesium, and copper alloys. The process grants the operator greater control over the weld than competing procedures such as shielded metal arc welding and gas metal arc welding, allowing for stronger, higher quality welds. However, GTAW is comparatively more complex and difficult to master, and furthermore, it is significantly slower than most other welding techniques. A related process, plasma arc welding, uses a slightly different welding torch to create a more focused welding arc and as a result is often automated.
he has a canadian sounding accent
There is a big difference between MIG and TIG welding, in both the process, and the skill level required of the weldor. They really are two different processes altogether, and the MIG is the much easier of the two.
There is much to read on the web, including some great information at the Miller and Lincoln websites. They can give you a pretty great overview of TIG welding. But, as with many skills, it takes hands-on practice as well as study, to be successful.
If your fiance has ever welded with a gas torch, he might already have the skills he needs. Unlike a MIG welder, a TIG does not feed an electrified filler wire for you. You are in control of a separate heat source (the torch) that you must manipulate in order to melt the base metal together, while adding the filler by hand to the molten puddle you're creating. It's the same way a gas torch works, just with electricity, rather than gas, as the heat source.
The tricky part comes in learning how hot to make the puddle, how much heat to apply (with a foot or hand controller), and how to coordinate the filler at the same time. Quite often, TIG welding involves metals like aluminum or stainless, which have their own quirks that need to be considered. It's by no means impossible to learn all of this…and it can be a very valuable skill to have, often paying higher than MIG welding jobs.
If your fiance shows this prospective employer that he is a professional who takes pride in his work, has studied the subject, and is willing to learn, he may get his foot in the door and start down a new path on his welding career. I wish him the best. Study all you can, and if you know a buddy who is good with the Oxy-Acetylene torch, go visit him right away for some practice!
Best of Luck!