Lincoln Electric K1170 AC225S Stick Welder

The Lincoln electric AC-225 compact stick welder produces an extremely smooth AC arc for welding a wide variety of materials including carbon, low alloy and stainless steels as well as cast iron. Ideal for home, farm, shop, repair and maintenance, build-up welding and light fabrication. Easy to install with attached input power cable and NEMA 6-50P plug, plus it's easy to operate: a full range 40-225 Amp selector switch quickly sets the welding current and ensures a uniform arc each and every time you weld. Smooth arc makes it easy to weld with different electrodes, including mild steel, low hydrogen, stainless steel and hardfacing electrodes. U.S.A. Volts: 230, Amps: 40 - 225, Duty Cycle: 225A / 25V / 20%, Amperage Adjustments: 40 - 225, Range Selection: 40 - 225, Weldable Metals: Carbon, low alloy, stainless steel, cast iron, Weld Thickness (in.): Up to 1/4, Electrode Size (in.): 3/32 to 5/32, Electrode Cable Length (ft.): 10, Clamp Cable Length (ft.): 10, Power Cord (ft.): 6, Dimensions L x W x H (in.): 12 x 17 1/4 x 24

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10 TIG Welding Tungsten Electrodes 2% Thoriated (Red) 3/32"x7"

Offers ease-of-use weldability and forgiving qualities that occasional welders need. Each rod is printed with its AWS classification for easy identification. For deep penetration of dirty and oil soaked material. Can be positioned flat, horizontal, vertical or overhead. Coated with cellulose potassium for AC or DCEP current. 60 CD tensile strength.

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Aluminum Gas Welding Compared to Welding Steel Using the Gas Tungsten Arc Process

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.

- 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 boat repaired or your ladder fixed in the best possible manner.

US Forge Welding Cutting Specialty Electrode 3/32-Inch by 14-Inch 4-Pack #09921

Cutting, gouging, chamfering (grove/bevel) of any metal. No special equipment or skill needed. Removes unwanted welds and prepares parts prior to welding. In easy to open, resealable small packaging for single job use. Use with arc welding machine for removing frozen bolts, auto body repair, in place of chisel or hacksaw, for cutting holes, and for cutting various materials including cast iron, steel, stainless steel, aluminum or farm equipment.

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Stick Welding Process Overview

Stick welding is a process that uses a covered electrode that is also called a stick. The full name for stick welding is Shielded Metal Arc Welding (SMAW) and is more widely used than many other methods of welding.

This works by melting the flux that covers the electrode as the welder welds a work-piece. As this process continues it forms gas and slag and these two things shield the arc and the weld pool of molten metal. After the work-piece is welded the welder must chip off the slag. The flux also adds scavengers, deoxidizers and other types of alloy elements to the metal during the weld.

There are many advantages of using this method. First of all this is one of the most inexpensive ways to weld because the equipment is easy to use, portable and inexpensive. You don't have to worry about regulating the flux because the electrode does the regulating of the flux. This method is also less susceptible to wind and drafts than other methods, especially the welding processes that are gas shielded. You can also use this method in any position.

The Stick welding process overview shows that this process is used more than any other form of arc welding. It is also versatile, flexible and used by a wider variety of individual. As an example, you can use this method to make small repairs around your home, you can repair equipment and it is used in the erection of still and other commercial types of joining metal.

Sometimes there can be problems with stick melding but they are relatively easy to fix. Some of the most common problems you may run into include:

- Spatter - this basically makes the metal look messy and it is expensive to clean. There are many things you can do to fix this and we will talk more about this in the tips article.

- Undercutting - this also changes the appearance of the metal and can weaken the weld especially when it has tension or fatigue.

- Wet Electrodes - if you see that your arc is erratic or it is acting rough, then the electrodes can be wet.

- Cracking - there are different types of cracks can happen in different spaces in the weld, and it can be caused by high carbon or high alloy content.

When you are looking for flux coated electrodes you can find them in many different sizes and lengths. The best way to tell which ones you need is to match the base metal with the properties of the electrodes. You can usually find them in bronze, aluminum bronze, nickel and stainless steel.

Of all the electrical welding methods, stick welding is the most versatile because it can be used to weld more metals together than many of the other methods. It is also one of the easiest to do though it will take practice if you are truly a beginner to welding. However, even when you are a beginner it is quick to learn and with practice you will do a very good weld using this method.

ISO 12145:1998, Resistance welding equipment - Angles for mounting spot welding electrodes

This International Standard specifies angles for angular adjustment of electrode caps, adaptors and point adaptors.The angles are applicable when straight fixed electrodes cannot be used to obtain the correct position for welding a single spot.For examples of application see figure 1. This title may contain less than 24 pages of technical content.

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How to Weld Steel

When learning how to weld steel we first need to determine both the type of steel to be welded and the thickness of the steel. Basic steel is typically mild steel that is used for most structural purposes and various other applications such as automotive bodies, chassis building and many types of appliances.

Stainless steel on the other hand comprises of different compositions of metals and requires specialized equipment for welding. A good test to differentiate mild steel from stainless steel is to try and attach a magnet to the metal. Stainless steel is not magnetic where as mild steel is.

There are four different types of welding techniques that can be used when learning how to weld steel and are as follows.

Gas welding.

Gas or oxy-acetylene welding is seldom used to weld steel these days. The process requires that the two metals to be welded are heated and fused together generally with the aid of a filler roe also made of steel. Best used for light metals and sheet metals.

Arc or stick welding.

Ideal for home use or maintenance. Arc welders can weld metals starting at 1/8th (3mm) inch thick up to 1 inch (25mm) thick. While the process. Thinner metals can be welded however it does require more skill. Stick welders use flux coated electrodes that are used to generate the electric arc or heat source and act as the filler material to fuse the steel.

Mig welding

Mig welding is the easiest way how to weld steel. Mig welders operate in a similar way to arc welders except the electrode is in the form of a continuous wire feed allowing the operator to work for long periods without the need to change the wire. The welding wire is contained on a spool that comes in various sizes depending on the machine.

Mig welders also use a shielding gas to prevent contamination at the weld area. With arc welders this is similar in a sense to the flux coating on a welding electrode. The need for shielding gas does limit a mig welder as to the portability of the machine and is not very useful if welding in a stiff wind as the gas gets blown away. There is now however a flux cored welding wire for mig use that removes the need for shielding gas.

Mig welders can be used on most any thickness of steel depending upon the power of the machine. They are ideal to learn how to weld with and excellent for welding thin steel as on automotive bodywork.

Tig Welding.

Tig welding is a specialised process that requires great skill by the operator. Ideal for sheet metal work where precise and pure welds are required.

While learning how to weld steel is quite an easy process, the basics of welding need to be learned from both a practical and a theoretical point to get things right from the beginning. Many hours can be wasted through trial and error welding where some simple tuition can get you welding very well in a short period of time.