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What do Boilermakers, Pipefitters, and Aerospace welders have in common?
Passing a TIG welding certification test is usually required in order to be considered a qualified welder or to even be hired for the job in the first place.
For boilermakers and pipefitters a pipe or tube welding test is usually required and can be anywhere from 3/8″ to 12 inches in diameter and depending on the job, the material welded is usually carbon steel or stainless steel, or carbon steel welded with ER309 filler metal. (occasionally other alloys are welded but carbon and stainless make up the bulk of welding tests given)
Aerospace welders on the other hand might be required to weld practically any metal:
– carbon steel / low alloy steel – 4130, 4140, 4340, 8630
– stainless steel – 321, 347, 13-8, 15-7, 17-7, a286
– nickel alloys – hastelloy x, inconel 718
– aluminum – A355,356,357 castings, 6061, 2219
– magnesium – az31b
– titanium – 6AL4V, CP
– cobalt – L605, haynes 188
– refractory alloys like columbium
Aerospace tig welding certifications tests are generally straightforward groove welds or fillet welds unless the special application provision of the American Welding Society D17.1 is used. Sometimes a simple groove or fillet weld test does not accurately represent the scope of welding performed.
In that case there is a provision for the welder to be certified using a scrap part, live part, or mock up test that represents the weld done in production. It is a more limited certification but it helps to certify a welder on tasks that adequately test the skill set required to do the job.
For Boilermakers and pipefitters, a tig welding certification test on tube or pipe pretty much represents the same joint done in the field.
Tips for passing any tig welding test:
– Purge…give lots of attention to getting a perfect purge by making sure ends are taped neatly and securely with a vent hole at the top for gas to escape.
– Clean the metal…Whether welding a pipe joint or sheet metal butt weld, if you don’t clean the metal right, you will probably fail. Metals like aluminum and titanium are prone to porosity and filing the edge removes crud that will cause porosity…Some test inspectors will fail you on the spot just for not cleaning the metal.
– For aerospace tig welding tests, make sure to file the sheared edge of the metal.
– Degrease with acetone or other approved solvent…give the rod a wipe too.
– Follow instructions…Whether written or from you test supervisor, pay attention, read, and follow instructions.
Passing a Tig welding test is within your abilities. You just have to buckle down and get it done.
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Tig Welding
Today, most of us are unaware with the concept of different welding tools. So, let us first consider about different types of tools used in the industry. it is the basic tool that most of the welders make use of; it is a tool used for spot weld, burns holes in metals, in the fastest possible way. The next tool the welder use is a welding torch.it operates in order to make the weld and include several parts such as connection valve for the fuel gas and oxygen, chamber, handle and tip. Injector torch, cutting torch, etc are few different types of torches used for the purpose. Basically, welding torch is used to weld metals, while cutting torch is used to cut metals. Moreover, injector torch is used to mix two gases together.
In addition, an electrode either in the form of consumable or non-consumable is used to conduct current. Some of the consumable electrode methods are gas metal flux, submerged shielded metal arc, flux cored arc, while TIG and plasma arc welding comes under the category of non consumable electrode methods. Plasma cutter is the next modern invention in the field of industry. It is one of the latest technologies in the field, which is used to cut metals as well as steel of different thickness. However, along with these welding procedures, there are some of the safety welding gears that are important to consider such as welding helmets, goggles and gloves.
Welder is the major term used in the process of welding. A welder is a worker who has specialized in welding materials together. Different types of welders are there and all are specialists in their domains. TIG Welder is the welder who is specialized in TIG welding process. MIG Welder is a welder who do MIG welding process, while arc welder do arc welding process. Similarly, there are also other types of welders such as aluminum welder, wire feed welder, gas welder, plasma welder, steel welder, metal welder, repair welder, and many more. Also, laser hybrid welding, magnetic pulse welding and friction stir welding are some of the new welding process, established to make the welding an easy task.
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TIG welding; the technology has caught up with the promise
Esab Tig Welders
Constant update of your knowledge regarding welding process, knowing about the various types of welding tools and also the types of welding equipments makes a person a complete welding entrepreneur if they desire to do so .To become a complete welding operator one should know about the basic range types and process of welding machine.
Multi process welding machine is also known with different names they could be multipurpose welders, or multi-function welders and combo, is on peak in today’s welding industry as because it is portable and also it is versatile in its performance in various types of welding and cutting work.
Multi-purpose welding machine are continuously seen to be reported of synthesizing the capabilities of a constant current CC power source (TIG welders ,STICK welder) and also a constant power source CV power source (MIG welders) into a unit of homogeneous. Arc gouging and also a submerged arc welding are done by using a typical multi purpose welding machine. The multipurpose welding machine are the ultimate engine driven welding machine as they are used multiple of being as a stick welder, TIG welder or MIG welder with the fact of the machine being portable and compact too.
It is commonly accepted that purchasing separate units for welding will be a loss of resources like extra capital expenditure. Occupying more floor space etc may be buying a machine which can either weld or cut may cannot be called the solution also the perfect or ideal requirement is a unit that can combine several welding operation into a single package that to effortlessly. Thus it is proved that buying a multi purpose welding machine is very cost effective, it should be consideration. Which also performs all types of welding process and also welding and cutting is performed these machines could be find in various types and made by various manufactures.
ESAB welding and with cutting products have launch the multi master 300x , it is a multi purpose welding machine for electrodes like GMAW , DC , GTAW ,AND SMAW. The machine is design by keeping in mind the company’s usage with dual shield X series of flux-cored wire and the machines designed are well used for welders who use the process of SMAW welding as for flux cored wire. The machine is capable in offering DC welding giving output of around 15 to 300 amps of duty cycle at 40 percentages.
multipurpose welding machines have good longevity and are used for TIG/STICK/PLASMA CUTTER of all the three combination and the machine being compactable and portable with the size of 40 to 70 lbs. copper, steel, mild steel, aluminum, bronze and stainless steel are those metals including other all types of metal are possibly weld and cut by there weld all series and the combo welding machine. With the multi purpose welding machine except for aluminum all the other metals could be cut and welded.
For More information on
Arc welder
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Plasma cutters
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Alex John
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ESAB CADDY TIG 2200i TA34