NM500
NM500 wear resistant steel plate for mining and construction machinery, offering higher hardness, superior wear resistance, and longer service life.
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Extra High Hardness: Nominal hardness up to 500 HBW ensures excellent wear protection.
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Outstanding Durability: Extends service life of components exposed to severe abrasion.
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Good Weldability and Formability: Suitable for standard welding and cold bending operations.
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Excellent Impact Resistance: Maintains strength and toughness under heavy impact conditions.
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Reliable Performance: Stable quality under GB/T 24186 standard ensures consistent results.
NM500 Steel Plate Description
NM500 wear resistant steel plate is a high-strength, quenched and tempered structural steel with a nominal hardness of 500HBW.
It provides excellent abrasion resistance, high tensile strength, and long-term performance in harsh working environments.
NM500 belongs to the GB/T 24186 standard and is the upgraded version of NM400/NM450, designed for extreme wear conditions. It’s widely used in mining equipment, loaders, excavators, crushers, cement mixers, and dump truck bodies.
Compared with other materials like HARDOX 500 and DILLIDUR 500V, NM500 offers comparable wear performance at a more cost-effective price — making it a preferred choice for B2B buyers who value both performance and economy.
NM500 Technical Data Sheet
| NM500 Chemical Composition | |||||||||
| Element | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) | Ni (%) | Mo (%) | B (%) |
| Typical Range | ≤0.30 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.80 | ≤1.00 | ≤0.60 | ≤0.005 |
| NM500 Mechanical Properties | ||
| Property | Unit | Typical Value |
| Standard | – | GB/T 24186 |
| Grade | – | NM500 |
| Hardness (HBW) | – | 480–530 |
| Yield Strength (ReL) | MPa | ≥1550 |
| Tensile Strength (Rm) | MPa | 1700–2000 |
| Elongation (A5) | % | ≥10 |
| Impact Energy (Charpy V, -20°C) | J | ≥20 |
| Thickness Range | mm | 6–100 |
| Delivery Condition | – | Quenched and Tempered |
| Equivalent Grades | – | HARDOX 500, DILLIDUR 500V, JFE-EH500 |
NM500 Applications
NM500 wear-resistant steel is engineered for extreme abrasion and high-impact working conditions, ensuring maximum protection and service life.
It is widely applied in:
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Mining machinery: Excavator buckets, dump truck bodies, crushers, and hoppers
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Construction machinery: Dozer blades, conveyors, and concrete mixers
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Cement and aggregate industries: Liners, chutes, feeders, and pipelines
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Heavy industrial equipment: Crusher jaws, fan blades, and screen plates
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Metallurgical and material handling systems: Bins, skips, and transfer chutes
Using NM500 plates allows manufacturers to reduce maintenance frequency, increase equipment uptime, and improve long-term productivity.
NM500 FAQs
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