AR500 Steel vs Other Hardox Steel: Which Is Superior?

11, Feb. 2026

 

When comparing two heavy-duty wear-resistant steels, it's essential to understand their properties and applications. This article examines the differences between AR500 steel and Hardox steel, helping you make an informed decision for your project.

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What is AR500 Steel?

AR500 steel is a type of abrasion-resistant steel plate that's known for its high hardness and durability. It is typically used in a variety of tough applications, such as mining, construction, and military uses, where it encounters heavy wear and impacts. The term "AR" stands for abrasion-resistant, and "500" refers to the hardness level of the steel measured in Brinell hardness, which is approximately 500 HB.

What is Hardox Steel?

Hardox is a brand of wear plate that also offers high hardness and durability. Similar to AR500 steel, Hardox plates come in different grades, including Hardox 400, Hardox 450, and Hardox 500, indicating the hardness degree. Hardox is known for its excellent weldability and formability, which makes it suitable for various applications, including construction machinery, transportation, and recycling industries.

How Do AR500 Steel and Hardox Steel Compare?

  1. Hardness:

    Both AR500 and Hardox 500 offer high hardness levels, but AR500 steel is typically harder than other grades of Hardox. It’s designed to withstand extreme abrasion and impact, making it ideal for high-stress applications.

  2. Wear Resistance:

    While both steels excel in wear resistance, AR500 steel offers superior performance in environments with high abrasion. Hardox may be preferred for applications where some formability is necessary, as it can withstand moderate wear while still being easier to shape and weld.

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  3. Weldability:

    Hardox steels are known for good weldability, allowing for easier repairs and modifications. In contrast, welding AR500 steel can be more challenging due to its hardness, which may lead to cracking if not done properly.

  4. Application Suitability:

    When deciding between AR500 steel and Hardox, consider the specific application. AR500 steel is often used for wear plates, armored vehicles, and components that face severe abrasions. Hardox steel is more versatile for heavy machinery, container structures, and products that require excellent formability.

  5. Cost:

    AR500 steel is generally less expensive than Hardox steel, making it an attractive option for projects with tight budgets. However, the final cost will depend on specific project needs and additional fabrication requirements.

Which Steel Should You Choose?

The choice between AR500 steel and Hardox steel largely depends on your specific requirements:

  1. If you need maximum abrasion resistance and are working with high-impact applications, AR500 steel might be the superior choice due to its hardness and durability.
  2. If you require a combination of wear resistance and ease of fabrication, then Hardox steel may be the suitable option for your needs.
  3. Consider your budget and specific project requirements, including potential repairs and modifications, to determine the best fit.

Conclusion

Both AR500 steel and Hardox steel have their own unique properties and advantages, depending on the application. Understanding the differences can help you decide which is superior for your particular needs. Remember that AR500 steel should meet ASTM specifications, ensuring its quality and performance in demanding situations.

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