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Aluminum gas welding can be accomplished with gas tungsten arc welding (GTAW) and it can also be used to weld steel, as well as other metals. GTAW is also called tungsten inert gas (TIG) welding. Welding steel is one of the easier jobs when using rig welding, but there are a number of factors, which make it much harder to weld aluminum.

From cleanliness, arc length, machine settings, welding with a dirty tungsten electrode, filler rod angle, type of electrode, torch angle and size of electrode – you have to be extra-careful with all of these factors when you tig weld aluminum.

Here we go over these factors and how you have to be much more careful with aluminum than with steel.

- Make sure that the settings for your machine are correct. Set your machine to use alternating current and the high frequency switch should be at continuous mode otherwise it will make the arc stutter.

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- A piece or object of aluminum left outside is likely to be highly oxidized after having come in contact with the elements. That should be weld only after thoroughly cleaning it – otherwise it will burn or weld extremely fast.

- Arc length – it is important to keep the arc at just the correct length. Arc lengths too long or too short, both should be avoided with aluminum. Too short the length, you your metal will jump on your electrode, damaging that and you. Too long a length and the heat will not be pinpointed enough to be of proper use.

- Keep your electrode clean. A dirty electrode will make the weld sooty – taking any fun out of the job you may have been having.

- Do not use pure tungsten electrodes with the new types of tig inverters to weld aluminum. The old types could use them, but not these new ones.

- You should keep the 1/16″, 3/32″ and 1/8″ sized tungsten electrodes within easy reach when working with aluminum. With steel it is one size fits all policy, where you can go with a 3/32″ tungsten for most of the jobs. But with aluminum, you need different electrodes depending on the thickness of the aluminum.

Aluminum gas welding just needs to be done with more care than other types of welding. Keep all these factors in mind and you will have your aluminum boat repaired or your ladder fixed in the best possible manner.

A mig gasless welder is a small mig welding machine that is generally used to do welding with gasless mig wire. These machines are actually used for light gauge welding application. Because they are so small they are ideal for mig welding at home. There are numerous things that can be done using a mig gasless welder such as you can easily weld mild steel sheet metal, box sections, angle iron and plate. The most important factor is the power of the mig welder used. The thicker the metal, the hotter the welder needs to be. With huge welding power, you can even weld up box trailers and make repairs to them. You can do modifications to your local cars or racing cars. For any small welding work, using a mig gasless welder is a good idea.

There are different types of mig gasless welders come such as 110v mig welder, 115 and 120 volt gasless wire feed welders. There are great ranges of welding machine you can look for ranging from 110 volts to 120 volts. Basically type of machine depends on the country you live in and which part of the country you live in. In order to get enormous power from your mig welder, you can choose welding machines in this range of 220 volts to 240 volts that will deliver you more power that you can get from a single phase mig welding machine.

Mig welding duty cycle will also differ between machines. In a nut shell you want a machine that has a higher rated duty cycle value. It means that it can weld longer than a machine will less duty cycle. The most obvious reason why you should go for small welding machines is the lower cost. You can pick one up just about anywhere and they are much better and easier to use for welding works at home. They are light weight and small which makes them reasonably portable. You can pick them up and put in your car to carry them anywhere. Have you tried the same thing with an industrial mig? On the other hand, these machines are generally cheap mig welders and as a result some are not worth buying. Sometimes spare mig welder parts are difficult to get for these machines too

Overall, a mig gasless welder is found to be a good machine for small welding work such as for homes and auto workshops. You can also choose to buy dual purpose machines which can do both gasless and solid mig wire. Want to know more about mig gasless welder and welder tig? Local tool sales have been trading since 1999 and our staff have over 75 years expertise in Welding tool hire and sales.

Wanna learn how to TIG weld aluminum?

First you need a decent TIG welding machine. Not a great one, just a decent one. Already got one? You might have an old Synrowave 300 or a DialArc, an old Hobart CyberTIG or you might have a brand new Miller Dynasty 200DX.

Know what? It doesn’t really matter. The same principles apply. If you have an old as dirt TIG welding machine, you can still make good aluminum TIG welds. Weld beads that look like a stack of dimes.

First lets look at machine settings:

Set the polarity to A/c (alternating currrent)

- Make sure to set the high frequency to continuous

- Set the amperage to about one and one half amps per one thousandths of inch of thickness (up to about 250 amps then things change quite a bit)

- Set both the contactor and amperage switches to the remote positon

- Set the argon or argon/helium torch shielding gas to around 15 cfh. (if you are using a #7 cup) less if the cup is smaller

- Notice I said argon or argon/helium? Argon is not the only game in town. In fact, if you TIG weld any aluminum over about .063″ thick, adding helium to the mix makes a huge difference.

Now lets talk tungsten electrodes:

- 2% thoriated have received a lot of bad press for the radioactivity issue but they do work

- 2% lanthanated electrodes are a really good all purpose electrode…good for TIG welding aluminum as well as steel

- Use the smallest electrode that will get the job done without quivering at max amperage.

Remote amperage control…you need a foot pedal. Period.

- Once all the settings are ok, and assuming you are welding on 1/8″ thick aluminum, grab a piece of 4043 filler rod in 3/32 diameter (rarely will you use a rod as thick or thicker than the metal you are welding)

- Extend the electrode tip about 1/4″ past the tip of the TIG welding torch cup and pre purge the gas by tapping the foot pedal.

- Hold the torch like a big first grade pencil. Touch the tip of the tungsten to the metal and then pull it back about 1/8 inch. Flip your helmet down and press the pedal to initiate the arc.

- Don’t melt the aluminum right away though, watch the black stuff cook away from the arcs cleaning action before you melt the metal. Then press the pedal far enough to create a puddle that is about 3-4 times the thickness of the metal you are welding.

Now comes the part on how to achieve the “stack of dimes” look. You get that by adding the same amount of rod and by moving the torch the same distance each time you add rod. Add rod, Step ahead 1/8 inch,Add rod, Step ahead 1/8 inch,Add rod, Step ahead 1/8 inch, lather rinse repeat. If you do this consistently, you will get evenly spaced ripples that look like a stack of dimes.

Of course it looks different from underneath the welding helmet and it is harder than it sounds, but this is really how you do it. All that is left is the doing. It takes practice and lots of quality seat time.

The average person’s impression of how metal is welded is that you simply fire-up a blow torch and run it along the edge of a metal seam to weld it together. Or they probably think you can just run that same torch across any kind of metal and cut through it, like in the safe-cracker movies. But the reality is that professional welding actually involves some fairly extensive knowledge, and is somewhat of an art form that takes many years of experience to master. Even so, if you are wanting to learn, you can start with a few simple techniques. Once you’ve mastered the basics and have a beginner’s idea, you can then move on to the more complicated skills that take longer to master.

Safety Precautions

Before you ever start any project, always think about safety precautions first. Equipment and supplies can be replaced; you cannot be replaced. You may think that getting burned is the worst thing that can happen in a welding accident. However, damage to your eyes can occur from the intense light that comes from the process. Some metal welding techniques make use of high voltage electricity to create a weld, which always raises the possibility of electrocution or death if the you are careless. As you start any welding project, be sure to wear a proper helmet to protect your eyes, head and hair. And don’t forget protective gloves and clothing. Lastly, be sure to read and follow all safety precautions written by the manufacturer of the particular metal welding equipment you are using.

Oxy-Acetylene Welding (also known as Oxyfuel Welding)

This is the type of welding that the average person is most familiar with, and which is often casually described as a “blow torch”. However, even though oxy-acetylene welding is the most commonly-known type, it is actually the least used technique among professionals. On the upside, it is less complicated and less expensive than other types of welding. However, oxy-acetylene is less common nowadays because it is less accurate, doesn’t produce a weld bead as cleanly as other methods and can result in weaker weld joints due to the slower cooling time it involves compared to other welding techniques. Even so, if you are interested in learning how to weld metal, you may want to practice oxy-acetylene welding in addition to other types of welding. It will be a handy skill to have because it’s the best type to use on certain common welding projects, such as pipes or tubes, and when you have to use welding equipment to do repairing, bending and cutting.

Arc Welding

The most common technique used these days is “Arc Welding”. If you’re learning how to weld metal, you will definitely need to practice arc welding. Rather than using a gas torch, arc welding involves using high voltage electricity passing into the piece of metal. In Arc Welding, a spark (or “arc”) jumping across from one piece of metal to the other causes enough heat to melt metal and form a weld. This process is more desirable in most cases because it is more accurate and produces a cleaner, stronger weld. Within the category of “Arc Welding” there are actually several different methods to choose from, depending on the type of metal welding work you need to do.

Shielded Metal Arc Welding (SMAW) may be best when you have large welds or metal welding in unusual positions, where a rough weld is acceptable. With this method, the electricity runs through an electrode rod (or “stick”) which actually melts, producing the welded joint. On the other hand, MIG Welding, also know as Metal Inert Gas Welding, or Gas Metal Arc Welding (GMAW), may be better if you are involved in a metal welding project that requires more speed. With this welding technique you don’t use rods that you have to keep replacing as they melt. Instead, you use equipment that sends the electricity through a metal tip that doesn’t melt, and a separate piece of continuous wire is fed to the tip which melts and forms the weld. TIG (Tungsten Inert Gas) Welding is somewhat similar to MIG welding, but is better when working with thin materials where you need a high-quality weld and speed is not important. As you learn you will also hear of other methods, such as Flux-Cored Arc Welding (FCAW), Submerged Arc Welding (SAW), Plasma Welding, etc. But don’t worry too much about remembering all of the various techniques. Just focus on one method at a time and get to the point where you are comfortable that you know how to weld with that method before you learn something new.

Other Welding Methods

Although you will primarily be concerned with Arc Welding and Oxy-Acetylene Welding as you learn how to weld, you might hear about other types and wonder what they are, such as Resistance Welding, Energy Beam Welding and Solid-State Welding. Don’t let that overwhelm you right now. Many of those welding methods are primarily useful in large, specialized industrial applications and don’t really affect you as you learn how to weld.

Conclusion

Hopefully you now know a little more about the basic concepts that will be important to you as you learn how to weld. As you can see, although there are numerous methods, each with it’s own unique set of equipment, procedures and purposes, there are actually only a couple of basic methods you need to remember and practice. To get started learning, start practicing with an inexpensive arc welding setup. Get yourself a machine and just start experimenting with it on some scrap pieces of metal (after reading all instructions and taking all safety precautions, or course). Figure out what works, and what doesn’t. You will soon begin to develop a style that is most comfortable for you. Also, get yourself some oxy-acetylene equipment and try that type, too. With a lot of practice, you will become a good novice fairly quickly and will be able to master just about any common project you may encounter.

Related Welding Articles

There many varieties of welding equipment which are used for different purposes. One of the most important things for these welding and cutting equipments is the water cooler. The work of water cooler is to cool the welding machines which get heated while welding. The welding heats up the torch of welders which needs a supply of water. Apart from these welding equipments you also need a welding helmet which protect for eyes and face from any harmful burns or sparks.

Plasma Cutter:

One of the most important things used for any construction is the metal. Metals play a vital role in constructing buildings. Now to cut the metals you need a cutter. There are some cutters which doesn’t cut all kind of metal. But there is one cutter which can cut all the metal in no time. It is known as plasma cutter. These cut the metal with the help of plasma torch. These are utilized for cutting steel and all conductive metals. These cutters need high voltage and are epitomized of plasma gas. To make use of this first the plasma gas is created. The advantage of this is it can cut any metal at high speed. While cutting the inner surface remains cool and this does catch fire in any circumstances.

Welders:

You can find many types of welders for welding objects like steel, aluminum and many other metals. Some of the welding equipments are Mig weld or GMAW, Tig weld or GTAW, Stick weld or SMAW, Spot weld and Arc weld. All these have different purpose and used for different industries. You can also find multi purpose unit which consist of plasma cutter, Mig weld, Tig weld and stick weld. They are the most versatile equipment because the space they need is really very less. Buying has made easy by shopping online. Now you can search and learn more about this product on net. Almost all the products have advantages and disadvantages. So buy the equipments which are very useful in your daily life.

Mig or GMAW weld:

This metal inert gas is other wise known as Gas Metal Arc weld. These utilize the wire electrode and also needs constant voltage supply. These are mostly used for building aircraft and automobiles. These are the easiest among the welders. You need a lot of practice before welding metals.

Tig or GTAW weld:

The other name for tungsten inert gas is the Gas Tungsten Arc welding. These are used for welding steel and non ferrous metal. These are easy to mechanize and automate. These are utilized in chemical and instrument industries. This gives a clean finish and are bit difficult for the beginners. These are highly pricey than the Mig welder and other welders.

In case you are an out-of-work welder, look into oil rig welding jobs. Can there be virtually any sector that’s in the media more than oil work? The planet possesses a strong unquenchable thirst with the slick dark material. Demand can be likely to go absolutely no where besides up.

Take into consideration oil rigs. The ones offshore are generally anchored to the sea floor or tend to be enormous watercraft that float on the surface so are work by global positioning computers to keep in the same place. The thing they all have in common is actually they’re massive structures built from metal. Steel that needs to be constructed and mended.

Much of the project takes place above the water line. Actually they’re very well compensated work commonly more than 0-0 on a daily basis. The best money is made under the surface.

Underwater welders must study unique abilities. They will typically remain compressed for days at a time as an alternative to spending time compressing and also decompressing every dive. They live in exclusive pressurized surroundings to allow them to spend more time doing work. Because of the added threat, these types of careers pay considerably more.

A lot of organizations will pay for existing personnel to get further underwater qualifications. The greater work the business is certified to do, the more job opportunities they may obtain hence possessing certified underwater welders on staff will get these folks a lot more work.

It is a discipline having far more demand as compared to workers to fill them. This will likely come as a shock to you. It seems that during an economic depression, many people are having trouble finding work. Nonetheless here is an area that is crying for individuals and can??Tt uncover enough. Lots of people whom used to operate within auto repair shops as well as factories witout a doubt tend to be qualified for the above water jobs. Coincidentally, they are also the positions that have many individuals that are laid off but don’t know about oil rig jobs.

It is possible to use a great employment bureau to try to locate you your first job. The service fees will probably be paid out of your 1st years income. It could be as high as 30% of one’s income. To obtain a fresh employment in a fantastic sector, this may not really end up being a deterrent. On the other hand, you will find there’s inexpensive way that will functions just as well.

Several Online career websites are dedicated to the oil industry. They may even use a special segment pertaining to oil rig welding work opportunities. Rather then paying 1000′s, you normally fork out a lot less than 0 for a lifetime subscription. You can use the website at any time you wish to switch work opportunities when you need it. Some will even blast your cv out to any or all the businesses which are presently seeking oil rig workers. This method seems to operate more rapidly and more affordable when compared with every other approach.

Need a list of Oil Rig Welding Jobs

More Welding Job Listings Articles

The goal of every organization is the continual improvement of its manufacturing processes. There is no exception for the arc welding industry. All would agree that information is at the heart of continuous improvement. Information is required to direct the very action necessary to improve processes or resolve problems. Without information, organizations employ random acts with unknown benefits. This wastes valuable time and resources.

Information in the welding industry includes a myriad of data; material data, consumable data, fixture tolerance, part tolerance, weld process information, and much more. Weld process information is a substantial and critical component to improving welding applications. A valuable AIDE would provide the necessary tools to analyze and optimize the weld process.

Intentional collection, storage, and analysis of weld process data has largely been avoided. Welding, for too long, has been solely considered an art at the expense of good engineering practices. The art of welding many times is at the center of an organizations setup, maintenance, and launch of welding applications. As a result, organizations tend to lack documentation, setup methods, and historical information. Procedures derived from information produce common launch practices, universal “best practice” weld procedures, expected productivity and utilization metrics, and historical analysis of preventive maintenance practices to name a few. In a report released by the U.S. Department of Energy Office of Industrial Technologies titled Welding Technology Road Map, the report stated “The transition of welding over the coming decade to a rigorous science based on physical data will contribute greatly to the industry’s success in achieving its vision.” Information is and will be increasingly more the cornerstone of improving and advancing weld practices.

A common opinion, which becomes a barrier, is information driven practices are for fortune 500 companies. That is sorely untrue. Large companies are highly dependent on medium and small suppliers to provide a myriad of components. It is obvious the overall assembly is only as good as the weakest link. Best practices must be employed throughout the chain. The benefits are huge; multiplied efficiencies, information sharing, common practices throughout the supply chain. Consider a mobile work force that can transition from industry to industry utilizing universal practices and tools similar to an electrical engineer employing data acquisition techniques to develop PC electronics and automotive electronics. The electrical engineer uses the same oscilloscope in each capacity. The electrical engineer requires the same information. This should be the same in welding. The welding professional will utilize a universal tool to capture the same information whether the application is a car frame or heavy industry tractor. Information will drive setup, maintenance and production activities.

A read of the industry suggests a new openness to embrace information and its effective utilization. In order to marshall in such an opportunity, a welding AIDE is proposed; a process independent method defining the steps for continuous improvement. AIDE is a simple acronym and easy to remember. It can be the building block to a successful practice to continually improve arc weld operations.

Step 1: Audit – gather real-time weld process information and store creating a historical database

Goal: Collect footprint of welding operations
Metrics: Machine utilization, productivity, Weld Signature® capture

Step 2: Identify – analyze welding information creating knowledge base

Goal: Document weld process and measure process stability and repeatability
Metrics: weld process set point, repeatability of a given weld, number of welds per part, reasons for downtime.

Step 3: Detect – establish control limits and alert on loss of process control

Goal: Bound weld process and alert when violated
Metrics: detect missing welds, detect incomplete welds, detect process anomalies

Step 4: Engineer – use weld information coupled with welding knowledge to improve

Goal: Exploit weld process data to increase quality and velocity
Metrics: tighter process operating range, reduced downtime, reduced process faults

AIDE is an iterative methodology which is continually implemented. Continuous improvement is by definition “continuous”. As such, the method requires a tool to automate the acquisition, analysis, and collection of weld process information. The AIDE methodology is only as good as a tool that makes it possible. What is interesting is the implementation and study of the AIDE methodology largely defines the necessary features of the tool. The tool must quickly and effectively source the information necessary to perform each AIDE step. The goal is continuous improvement and the tool is an enabler to that end.

Pipe welding is the most cost-effective way to fuse pipes together.  It uses both heat and cold to turn multiple pieces of pipe into one flush pipe – without any fittings.

Why is that so important?

Fittings can slow down pipes from start to finish.  They take longer to install that simply welding the pipes together, so they make entire construction projects take longer.  And, fittings can get in the way once a pipe is installed – meaning that they can cause flow restrictions, which makes your pipes less effective.

Because it’s a faster and more effective way of manufacturing, pipe welding has become incredibly important to the manufacturing world.  In fact, it has become so important that it has turned into a huge industry that introduces new technology all the time.  A lot of that new technology focuses on

/cms.php?content_id=ProcladHeatTreatment”>post weld heat treatment

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What does that mean?

Post weld heat treatment is the work done after something has been welded.  It uses new heat to improve old welding work.  Post weld heat treatment can eliminate brittleness that has evolved on metal pipes over time, or it can be used to strengthen metal that has been weakened by lots of use.

Induction bending is the most common form of post weld heat treatment.  It uses an incredibly hot coil; as the pipe starts to get hot, the metal becomes pliable.  Induction bending is literally used to bend steel pipes. 
Induction bending is such a common form of pipe welding because it leaves the metal with a high quality finish.  All of the bends and curves are smooth, which makes the pipes themselves more effective.

However, as pipe welding tools and techniques get better and better, the need for post weld heat treatment diminishes a bit.  Butt welding is a great example of technology that isn’t completely dependent on post weld heat treatment.

Butt welding joins two pieces of metal or plastic together along a single edge.  The two pieces are laid side-by-side and welded together.  If it’s done correctly, you will never see a seam.  And, the work is so durable that you won’t need post weld heat treatment later to make any improvements.

Because it’s so effective, butt welding has become a common technique for manufacturing various machines, tools, and equipment.

A new addition to the ‘EZ’ Fit range is the ‘EZ’ Gold series, boasting an increased range of up to 14″ i/d and manufactured from forged steel for increased strength. Stainless steel roller balls are fitted as standard to the wing bolts. The “EZ” Gold Clamps can be used on stainless steel…
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It is an undeniable fact that welding aluminum items calls for some professional expertise and special skills. Even welding enthusiasts who have past experience in successfully welding steel will find aluminum welding challenging. The reason is simple – it is difficult to feed aluminum wire which is soft. Furthermore, wire diameters and machine settings generally used for steel may not be appropriate for aluminum.

The truth is with some practice, you will be able to tackle aluminum welding jobs such as grills, railings, backyard furniture, boat docks and even decorative elements – using a compact MIG welder. Depending upon your needs, you can buy the right type of MIG welder.

A 115 volt wire feeder welder can handle jobs that range from 22 to 12 gauge and with moderate pre-heating, you can probably weld even up to 1/8″ thickness. The only precaution is the preheating should not exceed 250 degrees F maximum. You can also opt for a 230 volt machine which can weld from 22 gauge up to 3/16″. If proper preheating is done you can go up to 1/4″. If your application is broader range of aluminum thicknesses, then it is worth investing in the 230v machine.

However, it needs to be stated that a compact MIG welder of 115 volt and 230 volt models are in order only for occasional aluminum jobs. As regards heavy duty aluminum, you must buy a welder that has greater than 200 amps output.

The next question you need to address when selecting a welder is whether you want a continuous or tapped voltage control model. Please understand that a continuous voltage control model lets you set an infinite range of voltage within the rating of the machine. This facilitates your adapting the voltage to your particular applications and skill level. If you want to spend less, opt for the tapped control unit. This machine has a rotary switch with four or five fixed voltage choices. This model will be adequate for most applications.

As already stated earlier, MIG welding aluminum is different from welding steel and this also applies to shielding gas requirements. For aluminum, 100 percent argon is the preferred choice, whereas steel welding calls for a mixed gas or 100 percent CO2 gas. Of course, for this reason no special equipment is needed – your existing regulators and gas hoses can be used for both pure blends and mixed gases.

The oxide layer needs to be removed from the aluminum immediately before welding. The edges of the aluminum should be cleaned with a file. It is best to use a new wire brush that hasn’t been used on steel, and to brush in a single direction so the oxide is not rubbed into the aluminum.

Please know that all MIG welding on aluminum materials requires electrode positive polarity. If you are switching your wire feed welder between processes, do not forget to switch your polarity. You will certainly not succeed in obtaining good results attempting to weld on aluminum with a steel wire electrode.

There is a trick to properly loading aluminum wire into a wire feed welder and this comes with regular practice. As you are welding aluminum, keep the gun cable as straight as possible to minimize feeding restrictions on the soft aluminum wire. Ensure that there are no bends in the gun cable that may make the wire kink and feed poorly.

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How To Weld: Railings – How To Pick The Right Materials. Are you wasting precious time and money by using the wrong materials to weld your iron railings? This video will show you which materials to use when welding railings together and why.

How To Mig Weld Wrought Iron Railings. Have you ever wanted to learn how to mig weld? Learn how to weld and make amazing money at the same time. Get paid while you learn.