One of the most widely used types of welders is the MIG welder. The process of welding that a MIG welder uses is called gas metal arc welding (GMAW). These welders work by feeding a wire which is the electrode through a welding gun. At the same time there is a continuous flow of inert shielding gas. This protects the weld while it cools.
The most common gases used are carbon dioxide for general purpose welding. It is the cheapest of the welding gases, and creates a good weld. Argon and carbon dioxide is also used in a mixture to have a welding arc with less spatter, giving cleaner welds. Pure argon gas is used to obtain the best welds when welding aluminum.
The GMAW process have a number of advantages over the other common welding processes. The welding gun has a trigger to control the electrode which allows you to position it without accidentally striking an arc. When you have it in the correct place all you have to do is flip down your helmet and pull the trigger.
The inert shielding gases make the welds smooth and clean. There is no slag to chip off. MIG welders are also very well suited to weld sheet metal and thinner metals. This is because they can weld at lower amperage than most welders. MIG welders always use DC current to strike the welding arc. This is because using alternating current doesn’t give you a steady arc.
On a MIG welder you can adjust the voltage, amperage and the speed at which the wire is fed through the welder. The tensioner on the welding wire is variable as well They will also have a valve to control the flow of gas.
It is also possible to use a mig welder without the shielding gas. This is called flux cored arc welding (FCAW). Most welders have the option of switching the polarity of the welding arc for use with flux cored wire. In this welding process the welding wire has a hollow core that is filled with flux.
Flux cored arc welding can be done outside, because there is no need to worry about the shielding gas being blown away. The flux core wire has a hotter arc and therefore can be used to weld thicker pieces of metal. The disadvantages of FCAW are that you have to remove the slag from the weld similar to welding with a standard stick welder. It cannot generally be used to weld thinner sheet metal and other light metals.
MIG welders can be used to weld aluminum, tin, copper, zinc and brass., and steel. There are dozens of different compositions of MIG welding wires to choose from. This means you can get the best combination for almost any welding situation. MIG welders are the ideal choice if you only want to buy one welder, and still be able to weld on a variety of metals. If you want to start welding, a MIG welder would probably be your best choice for a welder that is very versatile and easy to learn on.
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MILLER MILLERMATIC 252 907321 MIG WELDER 230 VOLT NEW - 33# roll of wire free-accessoris for sale in listing - Time Remaining: 3 day 23 hours $2008.28 USD - No Bids - Shipping: $0.00 |
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MILLERMATIC 140 907335 MIG WELDER 110V AUTOSET NEW - accessories/ extra parts for sale in listing low prices - Time Remaining: 3 day 23 hours $649.79 USD - No Bids - Shipping: $0.00 |
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MILLER MILLERMATIC DVI-2 907323 MIG WELDER 115 / 230 V - 33# roll wire included- accessories for sale-low prices - Time Remaining: 3 day 23 hours $1349.79 USD - No Bids - Shipping: $0.00 |
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MILLER MILLERMATIC 212 907324 MIG WELDER 230 VOLT NEW - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 23 hours $1544.78 USD - No Bids - Shipping: $0.00 |
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MILLER SPOOLMATIC 1 SPOOL GUN MIG WELDER - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 4 hours $22.01 USD - 5 Bids - Shipping: $19.95 |
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Hobart Handler 135 Mig Fluxcore Welder 115 volt Used NR - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 3 hours $227.50 USD - 11 Bids - Shipping: $33.00 |
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LINCOLN POWER MIG 180C MIG WELDER PKG K2473-1 FD2 - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 5 day 4 hours $262.00 USD - 13 Bids - Shipping: $49.99 |
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MATCO (Snap-on) Car Body Panel MIG WELDER *nr! - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 4 hours $152.51 USD - 9 Bids - Shipping: $45.00 |
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Hobart Handler 210 Amp Wire Feed Mig Welder 500530 NEW - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 1 day 6 hours $430.00 USD - 24 Bids - Shipping: $0.00 |
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NEW LINCOLN ELECTRIC 175 HD WELD PAK MIG WELDER - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 1 day 23 hours $330.50 USD - 4 Bids - Shipping: $49.99 |
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Chicago 90 Amp 115V 15 Amp MIG 100 Flux Wire Welder - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 5 hours $31.00 USD - 9 Bids - Shipping: $0.00 |
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NEW LINCOLN ELECTRIC 3200 HD WELD PAK MIG WELDER - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 5 hours $351.00 USD - 15 Bids - Shipping: $45.00 |
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POWCON POWER DRIVE I/E MIG WIRE FEEDER WELDER + HOBART - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 6 hours $77.00 USD - 4 Bids - Shipping: $39.93 |
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Miller Regency 250 Arc/MIG Welder - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 4 day 23 hours $408.77 USD - 11 Bids - Shipping: $0.00 |
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miller s-32p mig welder Voltage Sensing Wire Feeder - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 7 day 7 hours $162.50 USD - 2 Bids - Shipping: $30.00 |
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Miller TIG MIG Cooling Radiator Welder Welding Cooler - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 4 hours $255.00 USD - 5 Bids - Shipping: $0.00 |
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POWCON 300 SM WELDER STICK MIG TIG ARC 1 or 3 Phase - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 4 day 5 hours $102.50 USD - 9 Bids - Shipping: $85.00 |
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Clarke 95EN 95 Mig Wire Fluxcore Welder No Gas - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 5 hours $77.00 USD - 15 Bids - Shipping: $29.99 |
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Snap On 120V Mig Welder #: YA129B & Cart - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 22 hours $102.73 USD - 7 Bids - Shipping: $135.00 |
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MK PRODUCTS COBRAMATIC MIG WELDER-WIRE FEEDER - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 5 day 20 hours $106.49 USD - 5 Bids - Shipping: $45.00 |
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110 volt mig & flux core welder - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 3 hours $45.00 USD - 1 Bid - Shipping: $20.00 |
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Lincoln Pro Mig 180 Mig welder NEW IN BOX - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 6 hours $350.00 USD - 19 Bids - Shipping: $65.00 |
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POWCON WATER COOLED WIRE FEED MIG WELDER PD20 W/ REMOTE - 33lb roll of wire free-accessories for sale in listing - Time Remaining: 3 day 6 hours $305.00 USD - 5 Bids - Shipping: $49.94 |
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MILLERMATIC DVI 2 MIG WELDER DVI2 W/SPOOLGUN NEW 951067 - free shipping to 48 states-receive $100.00 gas card - Time Remaining: 2 hours $1911.77 USD - No Bids - Shipping: $0.00 |
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MILLERMATIC 252 MIG WELDER COMPLETE PACKAGE NEW 907321 - free shipping to 48 states - Time Remaining: 2 hours $1977.77 USD - No Bids - Shipping: $0.00 |
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ESAB MULTIMASTER 160 MIG TIG WELDER PKG 0558002774 - free shipping to the 48 states-mig tig stick - Time Remaining: 2 hours $1813.87 USD - No Bids - Shipping: $0.00 |
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LINCOLN SP 180T MIG WELDER PKG K2689-1 with CART - free shipping to the 48 states - Time Remaining: 2 hours $729.87 USD - No Bids - Shipping: $0.00 |
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AUTODARK WELDING HELMET MASK used w mig wire tig welder - - Time Remaining: 3 hours $10.51 USD - 4 Bids - Shipping: $12.99 |
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LINCOLN POWER MIG 180C MIG WELDER PKG K2473-1 NEW - free shipping to the 48 states - Time Remaining: 3 hours $753.87 USD - No Bids - Shipping: $0.00 |
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LINCOLN SP100T MIG WELDER REFURBISHED 120V U1474-2 REF - free shipping to 48 states– really like new - Time Remaining: 3 hours $389.87 USD - No Bids - Shipping: $0.00 |
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MILLERMATIC DVI 2 MIG WELDER DVI-2 DVI2 907323 - free shipping to 48 states–plus possible gas card - Time Remaining: 3 hours $1333.77 USD - No Bids - Shipping: $0.00 |
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WELDING HELMET AUTO DARKENING MIG TIG ARC GAS WELDERS 7 - - Time Remaining: 3 hours $19.27 USD - 6 Bids - Shipping: $13.99 |
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LINCOLN SP 140T MIG WELDER PKG W/CART K2688-1 - free shipping to the 48 states - Time Remaining: 3 hours $600.87 USD - No Bids - Shipping: $0.00 |
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MILLERMATIC 252 MIG WELDER WITH 30A SPOOLGUN 951066 - free shipping to 48 states–free $100.00 gas card - Time Remaining: 3 hours $3086.77 USD - No Bids - Shipping: $0.00 |
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LINCOLN POWER MIG 140C MIG WELDER W/CART K2471-1 NEW - free shipping to the 48 states - Time Remaining: 4 hours $705.87 USD - No Bids - Shipping: $0.00 |
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Mig / Tig / Arc /Plasma Cutter Welder Welding Cart 1438 - - Time Remaining: 4 hours $29.99 USD - No Bids - Shipping: $0.00 |
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HD PRO 135 AMP FLUX MIG MAG WELDER TWECO COMPATIBLE NEW - - Time Remaining: 4 hours $229.99 USD - 1 Bid - Shipping: $59.99 |
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Lincoln Wirematic 255 MIG WELDER 575V 230V single phase - - Time Remaining: 4 hours $1299.99 USD - No Bids - Shipping: $250.00 |
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ESAB MIGMASTER 203 MIG WELDER PKG 0558005174 - free shipping to the 48 states - Time Remaining: 4 hours $1099.87 USD - No Bids - Shipping: $0.00 |
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MILLERMATIC PASSPORT PLUS MIG WELDER 907401 NEW - free shipping to 48 states–plus possible free gas card - Time Remaining: 4 hours $1490.77 USD - No Bids - Shipping: $0.00 |
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Mig- welder 200 amp Industrial grade unit - - Time Remaining: 4 hours $199.99 USD - No Bids - Shipping: $73.00 |
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MATCO (Snap-on) Car Body Panel MIG WELDER *nr! - - Time Remaining: 4 hours $152.51 USD - 9 Bids - Shipping: $45.00 |
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AUTODARK WELDING HELMET MASK used w mig wire tig welder - - Time Remaining: 5 hours $12.51 USD - 5 Bids - Shipping: $12.99 |
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