NM500 Wear Steel Plate With 500HB

NM500 is a high-hardness wear-resistant steel plate with a standard Brinell hardness of approximately 500 HBW. This material is specifically developed for harsh wear conditions, effectively addressing the problem of excessively rapid wear rates in ordinary structural steel. It is widely used in core wear-resistant components such as crusher liners, bucket liners, chutes, hoppers, dump truck wear-resistant liners, and various vulnerable mining components.

In the domestic NM wear-resistant series grade system, "NM" is a special designation for wear resistance, and the number 500 represents its rated Brinell hardness level. Compared to medium-low hardness wear-resistant plates such as NM400 and NM450, NM500 possesses superior wear resistance, but its cold bending, cutting, welding, and forming processes require higher precision and impose more stringent construction conditions.

NM500 wear resistant steel plate  

NM500 steel is chosen for its high surface hardness and good resistance to sliding wear. It is suitable for components that need to be used for a long time in abrasive media such as ores, stones, sand, cement, coal, scrap metal or other hard particles.

Compared to ordinary structural steel, NM500 wear-resistant steel plate has a longer service life under harsh wear conditions. Compared to the lower-hardness NM grade, it has higher hardness and better wear resistance, but also requires more sophisticated processing.

 Typical Hardness of NM500 Steel

The typical hardness of NM500 steel plate is around 500 HBW. In actual supply, the hardness range may vary depending on the steel mill, plate thickness, heat treatment process, and technical agreement.

 Strength, Toughness and Wear Resistance

The main advantage of NM500 steel is its high abrasion resistance. The high hardness helps reduce material loss when the plate surface is exposed to continuous friction, sliding wear, and abrasive particles.

NM500 steel plate is used where parts are exposed to strong abrasion from rocks, ore, sand, cement, coal, scrap metal, or other abrasive materials. It is usually selected when longer service life is more important than easy forming.

Because of its high hardness, NM500 wear-resistant steel plate is suitable for severe wear environments. It is commonly used in mining, quarrying, recycling, construction machinery, cement plants, and bulk material handling systems.

Mining and Quarrying Equipment

Mining and quarrying equipment often works under heavy abrasion from ore, stone, gravel, and mineral particles. NM500 steel can be used for wear parts that need to resist sliding wear and impact-related abrasion.

Common mining and quarrying applications include:

• Mining machinery wear plates
• Excavator bucket liners
• Loader bucket wear parts
• Screening equipment wear plates
• Conveyor transfer liners
• Ore chute liners
• Quarry equipment wear parts

Crusher, Chute and Hopper Liners

Crusher liners, chute liners, and hopper liners are typical applications for NM500 steel plate. These parts are exposed to continuous friction and impact from hard materials, so ordinary structural steel may wear out quickly.

Common liner applications include:

• Crusher liners
• Impact plates
• Chute liners
• Hopper liners
• Feed liners
• Cement plant liners
• Recycling equipment liners
• Material transfer liners

Buckets, Dump Truck Liners and Heavy Machinery

NM500 steel plate is also used in heavy machinery where steel parts are exposed to rocks, soil, ore, gravel, or other abrasive materials.

Typical applications include:

• Excavator bucket liners
• Loader bucket liners
• Dump truck liners
• Trailer wear plates
• Bulldozer wear parts
• Construction machinery wear plates
• Agricultural and earthmoving equipment wear parts
• Custom processed wear-resistant parts

Gnee Group can reliably supply NM500 wear-resistant steel plates in all specifications, supporting length cutting, size customization, and deep processing services to fully meet the needs of various industrial wear-resistant applications. For material parameters, thickness specifications, and customized processing solutions, please visit the wear-resistant steel plate product section for detailed information.

Currently, our products have been exported to over 50 countries and regions, including Europe, the Middle East, Southeast Asia, and Australia. With a robust reputation and attentive service, we have earned the unanimous recognition of our customers. We always welcome global clients to visit and exchange ideas, and look forward to building long-term, stable, and mutually beneficial partnerships.

NM500 steel plate can be cut, welded, and processed, but its high hardness requires proper procedures. Compared with lower-hardness wear plates, NM500 needs more attention to heat input, edge quality, preheating, bending radius, and welding consumables.Processing requirements may vary depending on thickness, part size, cutting method, welding design, and final application.

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FAQ：

1.What is NM500 steel?

NM 500 steel is a high-strength, wear-resistant / abrasion resistant steel known for its superior hardness and durability. This steel is specifically designed to withstand high wear conditions and provide extended service life in challenging environments.

2.What is the difference between Hardox 500 and NM500?

Hardness: NM500 typically has a hardness range of around 470-540 HBW (Brinell hardness), while Hardox 500 typically falls within the range of 470-530 HBW. The hardness level indicates their ability to withstand abrasive wear and impact.

3.What is the difference between AR500 and NM500?

AR500: Higher carbon (C: ~0.38–0.45%), chromium (Cr: ~1.5%), and boron (B: 0.0005–0.006%) for enhanced hardness and corrosion resistance . NM500: Lower carbon (C: ≤0.38%), added nickel (Ni: ≤1.0%) and molybdenum (Mo: ≤0.65%) for balanced weldability and toughness.

4.What is the difference between AR500 and NM500?

AR500: Higher carbon (C: ~0.38–0.45%), chromium (Cr: ~1.5%), and boron (B: 0.0005–0.006%) for enhanced hardness and corrosion resistance . NM500: Lower carbon (C: ≤0.38%), added nickel (Ni: ≤1.0%) and molybdenum (Mo: ≤0.65%) for balanced weldability and toughness.

5.What is the hardness of NM500?

With a hardness range of 470-540 HBW, NM500 is widely used in applications where resistance to abrasion is a primary concern, such as in mining equipment, construction machinery, and other heavy-duty applications.

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