Overview
NM450 wear-resistant steel plate delivers a nominal hardness of 450 HBW through a quench and temper process. It offers 15-20% longer wear life than NM400 with better formability and impact toughness than NM500. Equivalent to SSAB Hardox 450 at a significantly lower cost. Ideal for excavator buckets, dump truck bodies, bulldozer blades, crusher liners, chutes, and hoppers in mining, construction, cement, and material handling industries. Available in 3-120mm thickness with custom cutting.
Description (English)
16. Description (English) NM450 wear-resistant steel plate is a quenched and tempered abrasion-resistant steel with a nominal Brinell hardness of 450 HBW (range 420-480). Produced to Chinese standard GB/T 24186, it delivers excellent wear resistance with better formability and impact toughness than NM500. NM450 is equivalent to SSAB Hardox 450 at a significantly lower cost. It is the ideal choice for applications requiring a balance of wear resistance and workability, including excavator buckets, dump truck bodies, bulldozer blades, crusher liners, chutes, and hoppers across mining, construction, cement, and material handling industries. Available in thicknesses from 3mm to 120mm with custom cutting services.
Applications
NM450 Wear-Resistant Steel Plate Supplier | 450 HBW Hardness is supplied for demanding applications such as Mining Equipment, Dump Trucks, Construction Machinery, Quarrying, Material Handling, Cement Industry, Steel Industry, Agriculture, Recycling, and Ports & Shipping. These application areas rely on a carefully specified metal product that can be selected by grade, form, dimensions, and service requirements rather than by a generic material description. The listed applications provide practical context for engineers and purchasing teams reviewing this product: they indicate where corrosion resistance, strength, fabrication performance, or dimensional consistency may matter. Final suitability depends on the operating environment, design code, temperature, media, joining method, and applicable inspection requirements. Buyers can use the application information together with the grade and property data below to request a technically appropriate specification, finish, tolerance, and quantity from Vertex Alloy.
Key Mechanical & Physical Properties
NM450 Wear-Resistant Steel Plate Supplier | 450 HBW Hardness is described using the available technical records rather than an assumed specification. The supplied data includes mechanical data including key 1419ab9fbd87, type mech_item, property Brinell Hardness (HBW 10/3000), value 420 - 480, mechanical data including key 8188c6dae528, type mech_item, property Yield Strength (Rp0.2), value ≥ 1200 MPa, mechanical data including key 00facc89eea5, type mech_item, property Ultimate Tensile Strength, value ≥ 1450 MPa, mechanical data including key 7007aebc91e9, type mech_item, property Elongation (A5), value ≥ 10%, mechanical data including key 91201a5d4168, type mech_item, property Impact Energy (Charpy V, -40°C), value ≥ 25 J, mechanical data including key 70f83fa6e5a5, type mech_item, property Impact Energy (Charpy V, -20°C), value ≥ 35 J, mechanical data including key 1b3b672e8ef9, type mech_item, property Impact Energy (Charpy V, 0°C), value ≥ 45 J, mechanical data including key afdaf70a74a4, type mech_item, property Min Bend Radius (Longitudinal), value 3 × Thickness, mechanical data including key 135750480d5b, type mech_item, property Min Bend Radius (Transverse), value 4 × Thickness, physical data including key ea04e97a4e02, type phys_item, property Density, value 7.85 g/cm³, physical data including key fc9424f988d8, type phys_item, property Melting Point, value 1450 °C, physical data including key e1d7f4a263a9, type phys_item, property Thermal Conductivity (20°C), value 40 W/(m·K), physical data including key 31c0c8f51f6c, type phys_item, property Specific Heat (20°C), value 470 J/(kg·K), physical data including key ea93ea52ce58, type phys_item, property Thermal Expansion (20-100°C), value 11.5 µm/(m·°C), physical data including key 18a150d4fb96, type phys_item, property Thermal Expansion (20-300°C), value 13.0 µm/(m·°C), physical data including key 1ab0c23503c3, type phys_item, property Electrical Resistivity (20°C), value 0.22 µΩ·m, physical data including key fd17e4f329a0, type phys_item, property Young's Modulus, value 210 GPa, physical data including key 3cca49d8e713, type phys_item, property Shear Modulus, value 81 GPa, physical data including key 8f6251cea407, type phys_item, property Poisson's Ratio, value 0.3, composition data including key 15dedd91ff42, type composition_item, element C, value ≤ 0.26, composition data including key b2307f922bde, type composition_item, element Si, value ≤ 0.70, composition data including key 094bd017d778, type composition_item, element Mn, value ≤ 1.60, composition data including key 713661758337, type composition_item, element P, value ≤ 0.025, composition data including key b5d0942258a3, type composition_item, element S, value ≤ 0.010, composition data including key 7addcf27db47, type composition_item, element Cr, value ≤ 1.50, composition data including key e11b7ec07d2e, type composition_item, element Mo, value ≤ 0.50, composition data including key 2c8afbaf94b4, type composition_item, element Ni, value ≤ 1.00, composition data including key a4b77e083f98, type composition_item, element B, value ≤ 0.006, composition data including key 65253cc51b8d, type composition_item, element Ti, value ≤ 0.050, and composition data including key af8d7be7d87e, type composition_item, element CEV, value ≤ 0.60. Keeping these values visible helps a technical buyer compare the product with a drawing, purchase specification, or applicable standard before requesting a quotation. Mechanical values can guide early checks for strength and forming requirements, while physical values and composition details help with material identification, process planning, and service-environment review. Values should be confirmed against the latest mill certificate, heat or lot documentation, product condition, test method, and governing standard before production use. Vertex Alloy can review the required performance range and clarify which supplied values apply to the requested size and delivery condition.
Available Sizes & Forms
NM450 Wear-Resistant Steel Plate Supplier | 450 HBW Hardness is listed in sheet form with size information including Thk:3-120mm, Wid:1000-3350mm, and L:3000-12000mm. The size range is intended to help buyers screen availability and prepare an enquiry; it is not a substitute for a confirmed production schedule or tolerance agreement. When requesting this product, include thickness or diameter, width or length, cut-to-size needs, edge condition, surface finish, straightness, tolerance, quantity, and preferred packing. Dimensions may vary with grade, processing route, minimum order quantity, and mill capacity. Sharing the complete requirement allows Vertex Alloy to check whether the requested size can be supplied directly, cut from stock, or produced to order. The final commercial confirmation should state the agreed form, dimensions, tolerances, condition, inspection documents, and delivery terms.
Grade Compliance
NM450 Wear-Resistant Steel Plate Supplier | 450 HBW Hardness carries the recorded grade references GB/T 24186 (China) NM450, SSAB (Sweden) Hardox 450, JFE Steel (Japan) JFE-EH450, NKK (Japan) ABREX 450, ThyssenKrupp (Germany) XAR 450, Dillinger (Germany) Dillidur 450, Sumitomo (Japan) Sumihard K450, ArcelorMittal (EU) Amstrong 450, Ansteel (China) AG 450, Baosteel (China) BS450, and Nippon Steel (Japan) Welten AR450. These references give engineering and procurement teams a starting point for checking material identity, equivalent designations, and documentation requirements. A grade reference should always be read together with its applicable standard, product form, dimensional range, delivery condition, heat treatment, testing requirements, and revision level. Equivalent designations are not automatically interchangeable in every service, so the governing project specification remains controlling. Before order placement, confirm the required standard and certificate format, including chemical, mechanical, visual, dimensional, and any special testing requirements. Vertex Alloy can help compare the requested designation with the available product record and identify details that need confirmation from the producing mill.
Size Range
- Thk:3-120mm
- Wid:1000-3350mm
- L:3000-12000mm
Grade Specification
| System | Value |
|---|---|
| GB/T 24186 (China) | NM450 |
| SSAB (Sweden) | Hardox 450 |
| JFE Steel (Japan) | JFE-EH450 |
| NKK (Japan) | ABREX 450 |
| ThyssenKrupp (Germany) | XAR 450 |
| Dillinger (Germany) | Dillidur 450 |
| Sumitomo (Japan) | Sumihard K450 |
| ArcelorMittal (EU) | Amstrong 450 |
| Ansteel (China) | AG 450 |
| Baosteel (China) | BS450 |
| Nippon Steel (Japan) | Welten AR450 |
Chemical Composition
| Element | Value |
|---|---|
| C | ≤ 0.26 |
| Si | ≤ 0.70 |
| Mn | ≤ 1.60 |
| P | ≤ 0.025 |
| S | ≤ 0.010 |
| Cr | ≤ 1.50 |
| Mo | ≤ 0.50 |
| Ni | ≤ 1.00 |
| B | ≤ 0.006 |
| Ti | ≤ 0.050 |
| CEV | ≤ 0.60 |
Mechanical Properties
| productCenter.property | Value |
|---|---|
| Brinell Hardness (HBW 10/3000) | 420 - 480 |
| Yield Strength (Rp0.2) | ≥ 1200 MPa |
| Ultimate Tensile Strength | ≥ 1450 MPa |
| Elongation (A5) | ≥ 10% |
| Impact Energy (Charpy V, -40°C) | ≥ 25 J |
| Impact Energy (Charpy V, -20°C) | ≥ 35 J |
| Impact Energy (Charpy V, 0°C) | ≥ 45 J |
| Min Bend Radius (Longitudinal) | 3 × Thickness |
| Min Bend Radius (Transverse) | 4 × Thickness |
Physical Properties
| Property | Unit | Value |
|---|---|---|
| Density | g/cm³ | 7.85 g/cm³ |
| Melting Point | °C | 1450 °C |
| Thermal Conductivity (20°C) | W/m·K | 40 W/(m·K) |
| Specific Heat (20°C) | J/kg·K | 470 J/(kg·K) |
| Thermal Expansion (20-100°C) | ×10⁻⁶/K | 11.5 µm/(m·°C) |
| Thermal Expansion (20-300°C) | ×10⁻⁶/K | 13.0 µm/(m·°C) |
| Electrical Resistivity (20°C) | μΩ·cm | 0.22 µΩ·m |
| Young's Modulus | GPa | 210 GPa |
| Shear Modulus | - | 81 GPa |
| Poisson's Ratio | - | 0.3 |
Applications
- Mining Equipment
- Dump Trucks
- Construction Machinery
- Quarrying
- Material Handling
- Cement Industry
- Steel Industry
- Agriculture
- Recycling
- Ports & Shipping