Welding Rod For Cast Iron

Welding Rod For Cast Iron - Expert welders are aware that various welding rods (electrodes) are ideal for various types of welding.

Welding Rod For Cast Iron

When it comes to selecting electrodes to weld cast iron there's usually three things you should take into consideration: price equipment, machine capability and whether the weld requires multiple passes or one passes.

One of the problems that welding cast iron has is its stiffness as well as the possibility of cracking the trend is toward steel.

But casting iron is a great friend for welders who understand how to work with it.

What You Need to Know

When making cast iron fusion, it is essential to select a rod that is specially designed for this particular material to prevent any an improper melting (like cracks in the fusion line).

In essence, what you want to look for are wires and electrodes which are smooth, machine-able and stocked with the highest percentage of nickel and copper.

If the quantity of metal present in the electrodes is sufficient the electrodes will have precisely what you require strong welds that will endure the phosphorus remaining as due to an evaporation process.

In this article, I'll share my favorite casting iron welding rods to assist you in making your own decision. My top choices range in price, which means you'll find one that fits your budget.

I'll highlight their advantages along with their pros and pros and.

Check out the buying guide that is at the end of this article to gain an understanding of the best electrode that will provide you with the best weld-bonding.

  • Forney 1/ 8" 6010 Welding Rods
Forney 6010 Forney 6010 is a welding rod in all positions that (like the rest of the 6010 electrodes) can be used to weld almost any kind of contaminant such as oil, grease and rust as well as mill scale.

The thing that welders particularly like about the Forney 1/8" 6010 is it are able to finish the job even if it's not cleaned or grind the material prior to.

You'll be amazed at how versatile Forney welding rods can be.

They are great for repairs and professional jobs that are often messy.

The digging of this rod of welding is a little deeper than the one with low hydrogen that allows it to cut through metals that are contaminated.

Forneys are great for welding vertically. Forneys are also great to weld vertically downhill as well as uphill.

It is possible to get the finest welding when welding from the top of your the bottom.

They are also an excellent option for professionals who weld, since they're employed to create the root pass welds for pipe joint.

I would recommend this rod for projects in fabrication or stick welding as well as the rig welding process in general.

  • Lincoln Electric 1/ 8" 7018 MR Welding Rods
Lincoln Electric 7018 is among the most popular electrodes utilized in the welding industry for casting iron.

I highly recommend it to professionals because it's ideal for structural welding of steel repairs, as well as the welding of heavy pipes.

Due to the low amount of hydrogen in it, the rod is susceptible to exposure.

It is recommended that the Lincoln 7018 should be exposed to air for a short period of time in the most critical situations before it is damaged.

If your work involves welding inspection I recommend keep the rod in the rod oven until you're ready to use it so that you will be able to preserve both rods as well as their flux.

However when it comes to simple, non-critical situations, this model may endure exposure for a period of time before it's damaged.

Lincoln 7018 electrodes Lincoln 7018 electrodes are moisture-resistant and difficult to break down, making them suitable for many stick welding jobs.

This method requires certain care when handling it this rod, which can be somewhat uncomfortable at times.

If you choose to use this rod for welding, make sure to keep it from humid conditions and only let the rods open when you're finally ready to start burning the rods.

They are protected by hermetically sealed and once you have opened them the decomposition process will begin.

  • Hobart 1/ 8" 6013 Welding Rods
I suggest this rod for those who are working on projects that require lots of strength.

While welds aren't always attractive but the design of this rod can allow you to achieve a solid weld.

It is the Hobart 6013 rod for welding is able to be used with a variety of different polarities, such as DC+, DC -, and AC.

Similar to those of the 6010 or 6011 rods, the Hobart 1/8" 6013 is capable of piercing through oil, rust galvanized coatings, rust, and mill scale.

The Hobart welding rods have been designed to work in various locations.

The arc for the rods are smooth, which makes them ideal to weld metal even in odd locations.

  • Hobart 1/ 8" 7018 Welding Rods
Another fantastic welding rod suitable made for cast iron, the Hobart 1/8" 7018 comes with a low-hydrogen electrode which could be utilized in any location.

It's suitable for medium, low, medium and high carbon steels.

It is the Hobart welding rod can be a good choice for new to welding, as they're reasonably priced and are extremely efficient in burning.

While they're not equipped with the high-end properties of others we have recommended but they're a good starting point.

Hobart 7018 is 1/8" 7018 is a 70 000 TSI Tensile strength.

Overall they are robust.

They are resistant to water and offer a secure space.

But, they aren't suitable for low-voltage AC welding.

Another drawback could be the fact the packaging of these rods is made of plastic and is not sealed with a hermetically seal.

  • Hobart 1/ 8" 6011 Welding Rods
In terms of the possibilities for welding rods think of those models from 6011 as a similar equivalent similar to 6010.

Hobart 1/8" is a great rod for working on AC machines, however it is also effective with sheet metalbecause it does not cause a great deal of warping.

If you are using an basic AC stick welder This model is actually an all-purpose rod you must consider purchasing since it comes with a specific coating that helps keep the arc lit and allow for deeper penetration of plates of metals.

Best Rods for Welding Cast Iron: Buyer's Guide

The right electrode for cast iron can be a little confusing.

But, if you are aware of what the requirements of your project are, and know more about the types of rods appropriate for casting irons, you'll have no difficulty selecting the best option for your needs.

The Right Type of Metal

In the beginning, ensure that the iron you're considering using is weldable, based on the graphite type (it is possible to see graphite flakes, rosettes in spheroidal or nodular form and so on).

Cast iron typically has a carbon content of between two and four percent around 10 times more than steel. This is the reason why most cast iron components include graphite flakes.

They are responsible for the gray color of our welds cracks.

There is more information on how to weld cast iron, and which techniques to employ.

Electrode Properties

The rod that performs best using cast iron is flexible machine-able and machinable.

It also has significant amounts of metals such as nickel or copper, which are able to stand the phosphorus which is created by welding cast irons.

The nickel-based electrodes with 99% of the content make machinable welding that is the most effective choice for casting with low or medium phosphorous content.

An alternative that is more affordable are the nickel rods that contain 55% which are mostly used to repair large sections.

The third choice is steel rods, which are useful for small repairs and fillers.

They also make excellent candidates to use for arc welding since they can withstand castings that are contaminated.

What Methods to Use

Arc welding is a fantastic technique for welding cast iron for steel melting.

The rod melts the base steel so that the cast iron will move through, and then place the base steel into the weld.

MIG is second best of welding methods we'd suggest for iron, but it's not as versatile in comparison to the MMA (arc).

Another method you could try for casting iron is welding with TIG.

It is a method to join parts of cast iron, however, you need to be extra cautious during the process as it is easy to mess up.

It is also possible to try gaz welding (more specifically, Oxy-acetylene fusion) to cast irons.

It's machineable, you'll have an acceptable color match, and it cools down slowly.

On the other hand the heat could cause distortion to the iron.


If you decide to work with cast iron, look for a rod with characteristics that are specific to cast iron.

This reduces the risk of something going wrong during your casting procedure.

If you're a novice ensure you choose an affordable product to practice with while you are learning.

I hope that my top welding rods made of cast iron and rapid buying has been useful in your search to find the perfect electrode for welding.

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