November 3rd, 2007 
admin 
Steel Fabrication process is the process of grinding, cutting, welding, bending, burning, drilling, punching and generally crafting various steel detail components described in the detail drawings. It is a systematic process and every step is necessary and important.
The process begins with coordinating the first steel to be fabricated with the steel stock. Material handling laborers ensure that the fitters have the exact steel inventory at different fitting stations when the steel is required. In tandem, template makers create disposable cardboard-like templates used for cutting steel. These templates take the guesswork out of the shop worker’s hands. They just fabricate the steel to match the template and an accurate steel detail piece is produced.
With the correct steel at their site and templates in hand, the fitters start the process of producing detail pieces. After this a separate welding crew fastens a series of detail pieces together to construct the shipping pieces or assemblies. There are many methods used in welding metal together.
There are two most common welding processes – arc welding and gas welding. Gas welding is a process in which heat is generated with an electric arc formed between a metal electrode & the metal being welded. An inert gas, typically helium or argon protects the arc from contamination. General gas techniques are TIG (tungsten-inert-gas) and MIG (metal-inert-gas) welding.
Carbon arc welding is a puddling process in which the heat from an electric arc generates a small pool of molten metal that can be added to using metal from a filler rod. This is commonly referred to as stick welding. Welding techniques for field erection of steel or shop fabrication are similar.
After the fabricated assembly is transported to the site, the only work remaining is unloading, sorting, storage and erection.
For any queries related to erection and detail drawings email us at info@cadoutsourcingservices.com
Visit us at http://www.cadoutsourcingservices.com/structural-steel-detailing-design.php for more information.
Watch the video related to welding tig
gtaw
Help answer the question about welding tig
I could use some pointers for TIG welding 303 & 316 stainless steel?I haven't done TIG welding in quite some time and I have a very important performance test to take tomorrow. Do I use DC and straight polarity (ground side to have torch), and do I need 2% thiorated tungsten or pure tung.? My material will be 303 & 316 SS.
About Author
Richard Bothom is structural engineer at CAD Outsourcing – an India based professional structural steel design and detailing consultant offering full services such as shop drawings, fabrication drawings, steel detailing at affordable rates. info@cadoutsourcingservices.com; http://www.cadoutsourcingservices.com
Posted in 
Tags: 
Sorry but this is nothing special in europ 80% of the TIG welders are welding this way ( cup walking ) And he can be more a big boy if he stards using thikker wire ,instead of the 2.4 mm he is using now for the filler’s, that’s for young boy’s!
Greetings Ray
Im a Ybanez also nasa toronto Canada. coincedentally I also have an older brother named michael ybanez but he doesnt weld though. taga cebu po kami pero nasa toronto na ngayon
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
You will weld in accordance to the weld procedures that will be given to you for the specific materials mentioned.
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.
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)
Thanks bozzza – cheers to all those who share their experience and help others
walking the cup
I beleive its called “Walking the cup” its just a easier way/more steady way of moving the tig torch rather then free handing it and being shaky.
It takes awhile to get use to,
and its just a accepeted method of pipe welding and is genrally used because it is consitant and usally creates nice looking welds that r sound
Welds are probably huge by the way he’s slinging the tungsten around.
TIG welding typically produces a higher-quality seam than MIG welding. It is also generally easier to weld thin metal pieces using TIG instead of MIG.
The internal structure of the fuselage is generally (from what I recall), a mixture of welded and riveted structure with the skin riveted onto the structure. It would be far too time consuming to weld the skin onto the structure, not to mention the costs involved if a weld is done incorrectly. Until an effective method of mass-producing aircraft is developed (Eclipse tried it and has so far failed), the tried and true method will continue to be used.
Thanks for the reply! – funny your comment was removed – author, you should allow the sharing of knowledge..very sad.
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 !
taga saan ka nga YBAÑEZ??NKO SIKAT talagah ybañez kht saan…ybanez din poh aq taga CANADA..
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!
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.