Types Of Welding Rods You Should Know

Welding rods are an indispensable part of the welding process, as they create the electric arc that melts and joins metals together. Understanding the different types of welding rods is vital for selecting the right one for your project. From the versatile 7018 to the deep-penetrating 6010, each rod offers unique features suited for specific welding conditions. This guide will introduce you to all types of welding rods and help you choose the best one based on your material and project needs.

What Are Welding Rods?

Before we explore welding rod types, let’s define what they are. Welding rods, also called electrodes, are metal rods used in various welding processes, including stick welding, TIG, and MIG. The role of a welding rod is to form an electric arc with the base metal to melt both the rod and the metal, creating a strong bond between the two.

Welding rods come in two primary types: consumable and non-consumable. Consumable rods melt and fuse with the base metal during welding, whereas non-consumable rods remain intact and act as a conduit for the welding current. Each type of rod serves different purposes depending on the welding method and project requirements.

Consumable vs. Non-Consumable Welding Rods

Consumable welding rods are designed to melt and become part of the weld. They serve as filler material, helping form the welded joint. These rods are more common in welding processes like Stick welding (SMAW) and MIG welding (GMAW). Some popular consumable welding rods include 6010, 6011, 7018, and 7024, each suited for specific types of work and metals.

Non-consumable welding rods, on the other hand, do not melt during the welding process. These rods, such as tungsten rods used in TIG welding (GTAW), remain intact and act as a tool for directing the heat and welding current. They are typically used in processes requiring precise control over the heat source, like TIG welding, where minimal filler material is needed.

Popular Types of Welding Rods

There are various types of welding rods, each designed for different tasks. Below are the most commonly used welding rod types and their applications.

● 6010 Welding Rod

The 6010 welding rod is known for its deep penetration, making it ideal for thick metal applications. It is frequently used in industries like shipbuilding, pipeline construction, and other heavy-duty projects. This rod is compatible only with direct current (DC) welding machines and is excellent for jobs that require high-power welding. However, because of its tight arc, beginners might find this rod challenging to handle.

6010 rods are perfect for welding materials that require strong bonding, like structural steel and cast iron. The deep penetration ensures a solid, durable weld, even on metals with rust, dirt, or oil.

● 6011 Welding Rod

6011 welding rods are versatile, as they can be used with both direct current (DC) and alternating current (AC) machines. This flexibility makes them an excellent choice for welding on various metals. These rods provide excellent penetration, making them ideal for heavier metal work, as well as for welding through coatings or greasy surfaces.

Though it offers strong penetration, the 6011 leaves a rough finish with visible ripples. This can be a disadvantage if you're looking for a smooth, aesthetically pleasing weld. However, the rod is perfect for jobs that require a powerful bond and durability.

● 6013 Welding Rod

The 6013 welding rod is popular for its smooth finish and reduced spatter. This rod is ideal for general welding applications, such as light fabrication and welding thin sheets of metal. It is often used on mild steel, ship maintenance, and welding applications that require moderate penetration.

This rod is easy to handle and produces clean, precise welds, making it an excellent choice for beginners. The 6013 is also used in both AC and DC welding machines, providing flexibility for different types of welding equipment.

● 7018 Welding Rod

The 7018 welding rod is one of the most versatile rods available. It is a low-hydrogen rod designed for welding thicker materials like carbon steel, especially in high-stress applications. Its iron powder coating helps shield the weld from external contaminants, such as moisture and air. This makes it an excellent choice for heavy-duty jobs such as building bridges, factories, and power plants.

This rod is suitable for both DC and AC welding and provides strong, ductile welds. The 7018 is favored for its ability to create smooth, clean welds with minimal spatter, making it an excellent option for professional welders working on critical applications.

● 7024 Welding Rod

If you are looking for a high deposition rate and ease of use, the 7024 welding rod is an excellent choice. This rod is designed for welding thin to medium-thickness metals and provides high-speed deposition, making it ideal for large welding jobs that require quick results. The 7024 is perfect for beginners, as it has a simple arc to control and produces a smooth, clean finish.

Though the 7024 is not suitable for all materials, it works well on clean, smooth surfaces like those found in shipbuilding, tanks, and industrial equipment. This rod can handle both AC and DC currents, providing versatility for a variety of welding applications.

Choosing the Right Welding Rod for You

Selecting the right welding rod depends on several factors, including the type of base metal, desired appearance, tensile strength, and welding current. Understanding these factors is important for ensuring a strong, durable weld.

First, consider the type of metal you are welding. For example, some rods, like the 6010 or 7018, are excellent for welding thick or heavy metals, while others, like 6013, are more suited for thin materials. The right welding rod helps ensure a strong bond between materials.

Next, you should think about the desired appearance. If a smooth, clean weld is needed, rods like the 6013 or 7024 are ideal. If you are working on industrial or heavy-duty projects, rods like the 6010 and 7018 will give you the deep penetration and strength required.

Lastly, consider the type of welding machine. Some rods, like 6010, require DC machines, while others, such as the 6013, can be used with both AC and DC welding equipment. Ensuring compatibility between your rod and equipment is necessary for optimal results.

Where to Buy Welding Rods

At ATL Welding Supply, we offer a wide selection of welding rods suited for various applications, from beginner-friendly options to heavy-duty welding rods for industrial projects. You can browse our welding rods online to find the best fit for your needs. Our competitive pricing, fast shipping, and extensive product knowledge from our experienced team ensure you get the right materials for your welding projects.