1mm–150mm NM400 NM450 NM500 AR400 AR500 Wear Resistant Steel Plate for Mining Cement Heavy Construction Machinery

Wear Resistant Steel Plate is a specialized alloy steel product engineered for industrial applications involving severe abrasion, repeated friction, and mechanical impact. It is widely selected by equipment manufacturers and engineering companies seeking durable materials for heavy-duty operating environments.

Our product range covers multiple wear-resistant grades, including NM300, NM360, NM400, NM450, NM500, NM600, AR400, AR500, AR550, HB400, and HB500. Each grade offers different hardness levels and mechanical characteristics to meet a variety of industrial requirements.

Manufactured through hot rolling and controlled steelmaking processes, these plates are available in a wide range of thicknesses — from thin wear-resistant sheets to heavy-duty steel plates. Customized dimensions, cutting, bending, punching, and welding services are also available.

We supply wear resistant steel plates to international buyers in mining, cement production, environmental protection, construction machinery, and material handling industries.

Whether you need AR400 steel plate for general abrasion protection or NM500 and AR500 steel plate for more demanding wear conditions, we can help identify a suitable material according to your application and technical specifications.

In industries involving heavy materials and continuous production, equipment surfaces are exposed to various types of mechanical damage. Using ordinary carbon steel under these conditions may result in frequent maintenance and premature component replacement.

The main causes of industrial wear include:

Mining equipment, conveyor systems, and material transfer facilities frequently handle rocks, ores, sand, and gravel. These particles continuously rub against metal surfaces and gradually remove material.

Large materials falling onto steel surfaces can create repeated impact forces. This may lead to surface deformation, cracking, or structural damage, depending on the material and operating conditions.

Moving components and material transportation systems generate repeated friction. Over time, the contact surfaces become thinner and lose their original dimensions.

Cement factories, mineral processing plants, and construction sites often operate under high loads and continuous working schedules, increasing the demand for wear-resistant materials.

When equipment liners and protective plates wear out too quickly, manufacturers need to spend more on spare parts, labor, and production interruptions.

Wear resistant steel plate provides an effective material solution for equipment exposed to abrasive materials and mechanical stress. Through appropriate alloy design, steelmaking, and heat treatment, different wear-resistant grades are developed to achieve specific hardness and mechanical property requirements.

Our available grades include NM360, NM400, NM450, NM500, NM600, AR400, AR500, AR550, HB400, and HB500.

• High Surface Hardness — Higher hardness improves resistance to scratching, indentation, and material removal caused by abrasive particles.
• Multiple Grade Selections — Different grades are available for various working conditions, allowing customers to select materials based on required hardness, toughness, and fabrication needs.
• Flexible Size Options — Thickness, width, and length can be customized according to equipment drawings and project specifications.
• Suitable for Industrial Processing — Depending on the selected grade and thickness, the plates can be processed through plasma cutting, flame cutting, punching, bending, and welding using appropriate procedures.
• Wide Application Range — Suitable for mining machinery, cement equipment, environmental protection machinery, engineering machinery, dump trucks, and industrial wear liners.
• International Supply Capability — We support export orders with customized packing, quality documentation, and FOB, CFR, CIF, and EXW delivery terms.

The following are well-known commercial grade families available in different international markets. Their grades should be matched according to technical specifications rather than assumed to be directly interchangeable.

Note: International commercial grade designations are not automatically equivalent. Hardness ranges, chemical composition, impact properties, and delivery conditions must be verified against the relevant manufacturer's technical documentation.

Wear resistant steel plates are widely used in heavy industries where ordinary structural steel may not provide sufficient resistance to abrasion.

Used in crusher liners, vibrating screens, ore storage bins, discharge chutes, conveyor liners, and mineral processing equipment. These components frequently contact hard minerals and abrasive particles.

Applied in cement hoppers, feeding equipment, mixing systems, storage silos, and material transportation facilities. The plates help protect equipment surfaces from continuous contact with cement materials and aggregates.

Used in excavator buckets, loader buckets, bulldozer blades, scraper components, and other heavy machinery parts exposed to soil, rocks, and gravel.

Suitable for waste sorting equipment, industrial recycling systems, waste transfer chutes, and material processing machinery.

Used in truck body floors, side panels, dump trailers, and heavy-duty material containers to resist abrasion from coal, stones, sand, and construction waste.

Applied in material feeding systems, industrial hoppers, transfer equipment, and protective liners operating under abrasive conditions.

Used in selected cutting edges, protective plates, soil-contact components, and equipment exposed to continuous contact with abrasive materials.

The wear-resistant performance of alloy steel plates mainly depends on their hardness, metallurgical structure, chemical composition, and heat treatment. During operation, abrasive particles and hard materials come into contact with the steel surface. Repeated contact generates friction, localized pressure, and mechanical impact. Wear-resistant steel is engineered to resist these effects more effectively than ordinary structural steel.

The steelmaking process controls the content of carbon and alloying elements such as manganese, chromium, molybdenum, and other elements according to the required grade. These elements contribute to hardenability and the final mechanical properties.

Depending on the grade, quenching and tempering or other controlled heat treatment processes may be used to obtain the required hardness and microstructure.

A harder steel surface can better resist indentation and scratching from abrasive particles, helping reduce material loss during service.

The internal microstructure influences both hardness and toughness. A suitable balance is important when equipment is exposed to both abrasion and impact.

Different wear-resistant grades are designed for different operating conditions. AR400, AR500, NM400, and NM500 should be selected according to their actual technical specifications and application requirements.

Selecting the correct wear-resistant grade can influence equipment performance, processing costs, and replacement frequency. Before purchasing, consider the following factors:

• AR400 / NM400: Common choices for general to moderate and demanding abrasion applications.
• AR500 / NM500: Suitable for more severe abrasive conditions where higher hardness is required.
• AR550: Intended for specialized high-hardness applications.
• NM450: A higher-hardness option compared with NM400.
• NM600: Designed for applications requiring very high hardness, subject to impact and processing requirements.
• HB400 / HB500: Grade designations that should be evaluated using the relevant supplier's hardness and material specifications.

The exact hardness range should always be checked against the applicable product standard and MTC.

Our available thickness range covers 1mm–150mm, depending on the selected grade and production capability. For example:

• 4mm–8mm: Suitable for selected lightweight equipment liners and protective components.
• 10mm–20mm: Commonly considered for industrial wear plates and machinery components.
• 20mm–50mm: Suitable for heavier structural and wear protection requirements.
• Above 50mm: Used in selected heavy-duty industrial projects.

Final thickness should be determined by equipment design and actual wear conditions.

If the equipment mainly handles sand, gravel, and fine abrasive particles, hardness is an important selection factor. If it handles large rocks or heavy materials, impact toughness must also be considered. Higher hardness does not necessarily provide better performance under every impact condition.

Confirm whether the plate needs cutting, drilling, bending, or welding. High-hardness steel may require specific cutting speeds, suitable bending radii, preheating, and controlled welding procedures.

Before confirming an order, request the following information:

• Chemical composition
• Brinell hardness test results
• Mechanical properties
• Impact test results, where required
• Dimensional inspection
• Mill Test Certificate (MTC)

These documents help ensure that the supplied material meets the agreed technical requirements.