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Best MIG Welding Wires of 2023 – Top Picks & Reviews

Posted on April 14, 2023 by

Disclaimer: Weldguru.com provides industry knowledge and research support to our readers. You support us with our carefully selected products and links that may earn us commissions.


MIG welding wire plays a huge role in weld quality and ease of welding.

The wrong wire can cause feed problems, jam the gun and wreak havoc on your setup.

10 lbs of bad wire is a waste of money if the weld is bad. Don't let this happen to you. Poor quality wires cost more than good quality wires in the long run.

We've sorted through the market to find the best MIG wires to save you the pain.

To keep things on par, we looked at ER70S-6 mild steel wire, which is by far the most common use in the industry.

These options are all 10 lb rolls. 2 lbs available. These wires are all 0.030 size. 0.035 wire gauge is similarly priced.


quick comparison

product
image product detail

premium value

inefil-er70s-6

Infer ER70S-6

Copper Plated .030 Wire

Made in Italy using state-of-the-art technology

Low Splash Performance

check prices

Lincoln SuperArc L-56

Lincoln SuperArc L-56

Copper Plated .030 Wire

high quality

Wire feeding is reliable and burns consistently

check prices

Field welding machine ER70S-6

Field welding machine ER70S-6

0.030" and 0.035" carbon steel wire

great for construction work

Well received by users

check prices

best aluminum wire

Hobart ER5356

Hobart ER5356

0.030 and 0.035" aluminum wire

For welding 5000 series aluminum base metals

perfect performance

check prices

Harris E70S6E5

Harris E70S6E5

Copper Plated .030 Wire

Low carbon steel general welding wire.

Smooth feeding

check prices

Here's a list of some of the best MIG wires we've found:

1. INEFIL ER70S-6 .030 MIG welding wire

INEFIL ER70S-6 .030 MIG welding wire

  • Copper plated for easy feeding
  • High-quality wire made of high-quality steel
  • high-tech process control
  • Manganese silicon deoxidizer for dirty steel
  • Made in Italy since 1950

advantage

  • Known for low-splash performance
  • Ideal for single or multi-pass welding
  • Wires spread out nicely without crossing
  • consistent diameter
  • Users love its beads and penetration

shortcoming

  • sometimes hard to find in stock
  • Does not meet US MilSpec standards

overview

Users have a lot to say about the INEFIL ER70S-6. Professional welders rave about the excellent feedability, good wetting and excellent bead appearance, which results in significantly less post-weld touch-up work. Welders praise the wire's light copper coating for protecting the wire from rust, lubricating feed performance, and not flaking like thicker coatings.

The only downside compared to Lincoln wire is that Inefil wire is manufactured in Europe to EU standards, which means it won't qualify as "buy American" if you're doing government contract work. However, this is a very high quality wire, and if you don't have to prove military or other safety certifications or proof that it originated in North America, it will probably perform as well as any other wire on the market, maybe even better.

Inefil rates this wire as an 80% argon/20% carbon dioxide mix, but an Inefil US rep says it's also good for 75% argon/25% carbon dioxide, which saves a little money on cylinders.


2. Lincoln SuperArc L-56 .030 MIG Welding Wire

Lincoln SuperArc L-56 .030 MIG Wire

  • Copper plated for better feed quality
  • Consistent diameter throughout the spool
  • High manganese and silicon content
  • Handles medium to heavy mill scale
  • Meets Military and Shipbuilding Standards

advantage

  • Lincoln Premium Steel Wire
  • Chemical quality control instead of heating samples
  • Meets US standards and exceeds EU grades
  • Suitable for short circuit and spray methods
  • excellent wetting properties

shortcoming

  • more expensive than competitors

overview

We chose Lincoln SuperArc as our Pro Choice because it is the most commonly used wire in the welding industry for mission critical applications. Lincoln SuperArc is the wire of choice when the job requires meeting Military Standards or Lloyd's Registry shipbuilding requirements. NASCAR, Formula 1, and NHRA race teams use Lincoln Wire for their safety cages, and it's the choice of roller coaster and thrill ride manufacturers.

What is the difference in this line? Not that it's actually better quality. The difference is the level of process monitoring to ensure it meets these extremely stringent standards.

For tasks like repairing a washing machine or door hinges, it's no big deal if your electrical wiring doesn't meet Buy American standards or Lloyd's Register standards for tensile strength.

However, if you're welding trailer tongues, suspension components, or building roll cages, you'll probably be happy to know this wire is certified and inspected for applications where safety is paramount.

Many professionals also find this type of wire feed to work best, allowing them to make the most of their hard-won skills.


3. YESWELDER ER70S-6 .035 Mild Steel MIG Welding Wire

YESWELDER ER70S-6 .035 Mild Steel MIG Welding Wire

  • Copper coating feeds well
  • High manganese and silicon content
  • Runs on 100% CO2
  • Suitable for steel with slight rust or scale
  • Available in .030" and .035"

advantage

  • Users praise feed quality
  • good splash control
  • Good welding, good penetration
  • Consistent spool quality

shortcoming

  • Origin in Hong Kong does not comply with EU/US government regulations

overview

YesWelder of Boulder, Colorado has won over American welders with welders and equipment sourced from Hong Kong. Originally a third-party product supplier, it was sold in 2018 and began sourcing its own helmets and welders directly from Hong Kong. Recently, YesWelder started offering consumables, and American Welders have given rave reviews about the quality of their MIG welding wire.

This wire is known for its good feed. The thin copper coating prevents the wire from rusting and facilitates smooth passage through the torch liner. Users often comment on consistent quality throughout the spool, welding, and more expensive American brands.

If you don't need to meet military, government, racing agency or marine requirements for a certification process, YesWelder welding wire will probably be fine for anything you need to do with a MIG welder.

We found no reports of spattering issues, crimping or diameter inconsistencies along the length of the spool. Users report that their welds have plenty of penetration and good strength, and the quality of the material seems to be good. Yeswelder has great reviews for buyer customer service.


4. Hobart ER5356 .030 MIG Aluminum Wire

Hobart ER5356 .030 Aluminum MIG Wire

  • Excellent corrosion resistance to salt water
  • 30-day warranty
  • high shear strength
  • 5356 alloy for 5000 series aluminum
  • Uses 100% argon shielding gas

advantage

  • Users report that its feed is fine
  • Clean and Strong Welds
  • good wetting
  • Less prone to weld cracking
  • Glossy finish requires less cleanup

shortcoming

  • Aluminum tape PTFE liner and argon gas

overview

We decided it would be appropriate to provide at least one aluminum wire option for those who want to weld aluminum but find the information scarce.

This is pretty much the best aluminum wire available. When welding aluminum, most professionals prefer Hobart wire. Hobart aluminum wires are very popular in marine welding because they are very resistant to salt water corrosion.

This particular wire is alloy 5356 and is best suited for welding 5000 series aluminum. Something with a little less silicon might provide better wetting for prettier beads, but 5356 has excellent shear strength for things like truck bumpers and tool boxes.

If you are using 6015, use 4043 wire for excellent results on high strength items like motorcycle handlebars, ski boat towers and such applications.

You don't want to chemically contaminate the copper plated aluminum equipment from the steel wire, so you'll need to replace the liner in the torch lead and use a spool gun to shorten the electrode distance. Replace the torch tip and guard for cleaning items. Use separate clips, brushes and other tools.


5. Harris E70S6E5 .030 MIG welding wire

  • Copper coating provides good feed
  • Designed for 100% CO2 operation
  • Manganese and silicon make steel easy to get dirty
  • £10 for £11
  • Designed for low-splash performance

advantage

  • users say it welds like the big names
  • Harris is owned by Lincoln Electric
  • Buyer reports it feeds well
  • worth a pound

shortcoming

  • Made in China, does not meet US or EU government standards

overview

Harris is a Lincoln Electric brand, which suggests that the quality should be good, and since Lincoln has an industry-leading reputation, it's worth worrying about.

However, if you need to meet US or European government or military standards, it doesn't qualify because it's made in China. The same is true when welding is performed on seagoing vessels inspected by Lloyd's Register.

This is not to say that the wire itself is of inferior quality, it is just that it is not certified to meet certain statutory inspection standards. That's one reason it's less expensive than the well-inspected wires on the high-end market.

The vast majority of users report good results for welding and wire feeding with this wire. Many welders are very happy with its low spatter rates, especially at lower amperage settings for 100% CO2 and 75% Argon/25% CO2 mixtures.

The wire does meet AWS's ER70S-6 standard for silicon and manganese deoxidized compound content. Users report great results with contamination such as light rust or moderate scale.

It's a great, inexpensive alternative for repairing items like fences, engine mounts, and machinery.



About Jeff Grill

Jeff Grill hails from Long Island, a 118-mile stretch of land that stretches from the shores of Manhattan to the depths of the Atlantic Ocean. He was interested in welding from an early age, as evidenced by the scars on his body when he started working with various metals.


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