Compare NM400, NM450, NM500, NM550 and NM600 by hardness class, wear condition and processing requirement—then request the right plate or custom part for your project.
Higher hardness can improve abrasion resistance, but impact, welding, forming and processing requirements must also be considered.
NM400Balanced wear resistance, toughness and fabrication for general industrial wear parts.
NM450A step up in abrasion resistance while retaining useful impact performance.
NM500High-hardness wear plate for severe abrasion and moderate impact conditions.
NM550Higher abrasion resistance for demanding wear zones with controlled impact.
NM600Very-high-hardness option for extreme sliding abrasion and specialized components.
Use this table for initial screening. Final selection and guaranteed values must be confirmed against the supplied mill specification and MTC.
| Grade | Hardness positioning | Wear condition | Impact consideration | Processing |
|---|---|---|---|---|
| NM400 | Nominal 400 HBW class | Balanced wear resistance, toughness and fabrication for general industrial wear parts. | Review by application and thickness | Cutting, Drilling, Bending |
| NM450 | Nominal 450 HBW class | A step up in abrasion resistance while retaining useful impact performance. | Review by application and thickness | Cutting, Drilling, Rolling |
| NM500 | 470–530 HBW | High-hardness wear plate for severe abrasion and moderate impact conditions. | Review by application and thickness | Cutting, Drilling, Bending |
| NM550 | Nominal 550 HBW class | Higher abrasion resistance for demanding wear zones with controlled impact. | Review by application and thickness | Cutting, Machining review, Fabrication |
| NM600 | Nominal 600 HBW class | Very-high-hardness option for extreme sliding abrasion and specialized components. | Review by application and thickness | Cutting review, Machining review, Custom parts |
Chutes, haul trucks and transfer systems
Liners, side plates and replaceable parts
Hoppers, channels, silos and conveyors
Drawing-based wear components and assemblies
ZGT Steel is an independent trading and export company. We coordinate material sourcing and qualified partner processing rather than claiming an owned steel mill.
Send dimensions, quantity, destination and drawings. We will review material availability, processing feasibility and a realistic delivery plan.
