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QualityMaterial No.Factory grade designations
300HBXAR300
400HB1.8714BRINAR400, HARDOX400, XAR400, ROC400
450HB1.8722BRINAR450, HARDOX450, XAR450, ROC450
500HB1.8734BRINAR500, HARDOX500, XAR500, ROC500
550HBHARDOX550
600HBHARDOX600, XAR600

Wear-resistant steels for extreme loads

Wear-resistant steels play a crucial role in modern industry, especially in applications that are subject to heavy abrasion and mechanical wear. These steels are characterized by their high hardness and strength and are used in numerous industries such as mining, construction and mechanical engineering. Thanks to their special alloy and heat treatment, they offer excellent protection against wear and significantly extend the service life of machines and components.

Properties of wear-resistant steels
Wear-resistant steels are high-alloy steels that are preferably used in applications with high mechanical loads due to their hardness and abrasion resistance. Typically, these steels are classified according to their hardness in Brinell hardness units (HB). Depending on the requirements, different degrees of hardness are offered, ranging from 300HB to 600HB. A higher degree of hardness generally means greater wear resistance, but also lower formability.

Wear-resistant steels are produced using special processes such as thermomechanical rolling or hardening. These processes ensure that the steels have a uniform structure and high hardness, which are crucial for their abrasion resistance. In addition, they are usually easy to weld and in most cases easy to process, making them a versatile solution for industrial applications.

Manufacturer-related brand names
erious steel manufacturers offer wear-resistant steels under specific brand names and hardness grades that meet the special requirements of different industries. The best-known brands include

300HB: Wear resistant steels such as XAR300 offer a good balance between hardness and workability and are often used in applications where moderate abrasion resistance is required.
400HB (1.8714): Steels such as BRINAR400, HARDOX400, XAR400 and ROC400 are the most common wear-resistant steels and are used in many areas where high abrasion resistance is required, e.g. in conveyor systems or construction machinery.
450HB (1.8722): BRINAR450, HARDOX450, XAR450 and ROC450 offer increased wear resistance compared to 400HB steels and are particularly suitable for highly stressed components, such as those found in mining and earthmoving.
500HB (1.8734): With a hardness of 500HB, BRINAR500, HARDOX500, XAR500 and ROC500 offer even greater abrasion resistance. These steels are used in extreme wear environments, e.g. in blades and cutting tools.
550HB: HARDOX550 is a steel with a particularly high hardness and is used for applications that require extreme abrasion protection. This steel is particularly suitable for highly stressed wear parts.
600HB: HARDOX600 and XAR600 are among the hardest wear-resistant steels on the market. They offer maximum abrasion resistance and are used in applications where the wear stress is extremely high, such as in crushing plants or in steel production.

Areas of application for wear-resistant steels
Wear-resistant steels are used in a wide range of industrial applications. These include construction machinery, conveyor systems, mining equipment, cutting tools and machine components that are exposed to extreme mechanical loads. By using these steels, the service life of components can be significantly extended, which reduces maintenance costs and increases operational safety.

In addition to high wear resistance, these steels offer good weldability and formability, making them easy to use in various manufacturing processes. This makes them a preferred choice in many industries where abrasion and wear are a key problem.

Summary
Wear-resistant steels such as HARDOX, BRINAR, XAR and ROC offer an excellent solution for applications that require high abrasion resistance and mechanical strength. With hardness grades ranging from 300HB to 600HB, these steels offer a wide range of options to meet the specific requirements of any industry. They not only help to extend the service life of machines and components, but also help to reduce operating costs through reduced maintenance intervals.

Quality Guide Download: Wear-resistant steel

Behind this download you will find our ESB Quality Guide (data sheet) on wear-resistant steel.

Sven Fischer
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Sven Fischer

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Sven.Fischer@ESB-Group.com

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