Home > Blog > Content

Can mild steel round bar be used in agricultural machinery?

Oct 17, 2025

Hey there! As a supplier of Mild Steel Round Bars, I often get asked if these bars can be used in agricultural machinery. Well, let's dive right into it and find out.

First off, let's talk a bit about mild steel round bars. Mild steel is a type of carbon steel with a relatively low amount of carbon. This makes it malleable, ductile, and easy to work with. It's also cost - effective, which is a huge plus in many industries, including agriculture.

Strength and Durability

Agricultural machinery goes through a lot of wear and tear. It has to deal with heavy loads, rough terrains, and sometimes harsh weather conditions. Mild steel round bars have decent strength. They can withstand a good amount of stress, which is important for parts of agricultural machinery like plow beams, tiller tines, and the frames of some smaller equipment.

For example, plow beams need to be strong enough to penetrate the soil. Mild steel round bars can provide the necessary strength to push through different types of soil, whether it's soft loam or more compacted clay. The durability of mild steel also means that these parts can last for a reasonable amount of time, reducing the need for frequent replacements.

However, it's important to note that in some extreme cases, the strength of mild steel might not be sufficient. For instance, in large - scale commercial farming where machinery is used for long hours every day, parts made of mild steel might wear out faster. In such situations, other materials with higher strength, like alloy steels, could be considered.

Weldability

One of the great advantages of mild steel round bars is their excellent weldability. In agricultural machinery manufacturing and repair, welding is a common process. You might need to join different parts together, or repair a broken component. Mild steel can be easily welded using various welding techniques, such as arc welding or MIG welding.

This ease of welding allows for custom - made parts. Farmers or machinery manufacturers can take mild steel round bars and fabricate them into the exact shape and size they need for their specific agricultural equipment. It also means that if a part breaks, it can often be repaired on - site, saving time and money.

Electric Resistance Welded Steel TubeWelded Stainless Steel Pipe Tube

Corrosion Resistance

When it comes to corrosion resistance, mild steel has its limitations. In an agricultural environment, machinery is often exposed to moisture, whether it's from rain, irrigation, or the dampness of the soil. Mild steel is prone to rusting when exposed to these conditions for a long time.

To combat this, there are several options. One is to apply a protective coating. For example, painting the mild steel parts can create a barrier between the metal and the moisture in the air. Another option is to use a galvanized coating. Galvanized mild steel round bars have a layer of zinc on the surface, which provides better corrosion resistance. You can find more about galvanized options in our Galvanized Welded Steel Tube products.

Cost - Effectiveness

Cost is always a major factor in agriculture. Farmers and machinery manufacturers are constantly looking for ways to keep their costs down. Mild steel round bars are relatively inexpensive compared to other types of metals. This makes them an attractive option for many agricultural applications, especially for small - scale farmers or those on a tight budget.

The low cost also allows for more flexibility in design and production. You can use mild steel round bars to create multiple parts without breaking the bank. And since they are easy to work with, the labor costs associated with fabricating parts from mild steel are also relatively low.

Comparison with Other Materials

Let's compare mild steel round bars with some other materials commonly used in agricultural machinery.

Stainless steel is known for its high corrosion resistance. Welded Stainless Steel Pipe Tube is often used in applications where corrosion is a major concern. However, stainless steel is more expensive than mild steel. For applications where corrosion is not a critical issue, mild steel can be a more cost - effective alternative.

Electric Resistance Welded (ERW) steel tubes, like the ones in our Electric Resistance Welded Steel Tube range, are also used in agricultural machinery. ERW tubes are often used for structural components. Mild steel round bars can be used in similar applications, but the choice between them depends on factors such as the specific design requirements and the load - bearing capacity needed.

Applications in Different Types of Agricultural Machinery

  • Tractors: Mild steel round bars can be used in the steering mechanisms, as well as in some of the smaller structural components. The steering linkage needs to be strong and flexible, and mild steel can provide the right combination of these properties.
  • Harvesters: In harvesters, parts like the cutting blades' supports or the frames of the collecting bins can be made from mild steel round bars. The ease of fabrication allows for precise fitting of these parts into the overall machinery design.
  • Irrigation Systems: Mild steel round bars can be used in the frames of sprinkler systems or in the support structures for drip irrigation lines. The cost - effectiveness of mild steel makes it a practical choice for these applications, especially in large - scale irrigation projects.

Conclusion

So, can mild steel round bars be used in agricultural machinery? The answer is a resounding yes. They offer a good balance of strength, weldability, and cost - effectiveness. However, it's important to consider the specific requirements of each application. In some cases, additional measures, like corrosion protection, might be needed.

If you're in the market for mild steel round bars for your agricultural machinery, whether it's for manufacturing new equipment or repairing existing ones, I'd love to talk to you. We can discuss your specific needs and find the best solutions for you. Feel free to reach out to start a conversation about your procurement requirements.

References

  • "Materials Science and Engineering" by William D. Callister Jr.
  • "Agricultural Machinery and Equipment Handbook" by various authors
Send Inquiry
Ryan Liu
Ryan Liu
As a technical sales engineer at无锡卡伯斯动力传动科技有限公司, I work closely with clients to provide tailored solutions for their industrial machinery needs. My expertise lies in understanding and applying the latest advancements in precision shafts and cylinder technology.