Description
Product Description Hardox 400 Steel Plate
Hardox 400 steel plate is a premium-grade wear-resistant steel designed to withstand extreme conditions, ensuring durability and superior performance. Manufactured by SSAB, this high-strength steel is specifically engineered for applications requiring resistance to abrasion and wear. With its unique combination of hardness, toughness, and weldability, Hardox 400 is the preferred choice for industries such as mining, construction, quarrying, and recycling.
Key Features of Hardox 400 Steel Plate
- High Hardness:
- Nominal hardness of 400 HBW provides outstanding wear resistance.
- Ideal for applications where high abrasion and impact resistance are critical.
- Superior Toughness:
- High impact toughness ensures durability in demanding environments.
- Resistant to cracking and deformation under heavy loads.
- Excellent Weldability:
- Can be welded using conventional welding methods.
- Ensures ease of fabrication and integration into various structures.
- Formability:
- Despite its hardness, Hardox 400 is highly formable, enabling complex shapes.
- Suitable for bending, rolling, and cutting processes.
- Consistent Performance:
- Uniform properties across the plate ensure reliable performance.
- Manufactured under strict quality control standards.
Hardox 400 Equivalent Material
- Abrex 400: This is a direct equivalent from Nippon Steel.
- Rockstar 400: Another popular equivalent, often used in India.
- Rockhard 400: Another Indian brand offering a comparable material.
- Quard 400: A Belgian equivalent.
- Raex 400: A Finnish equivalent.
- Swebor: A Swedish equivalent.
- Sumihard: A Japanese equivalent.
Hardox 400 Chemical Composition
| Property | Value |
| Carbon (C) | 0.14% max |
| Manganese (Mn) | 1.00% - 1.60% |
| Silicon (Si) | 0.40% max |
| Chromium (Cr) | 0.40% max |
| Nickel (Ni) | 0.30% max |
| Molybdenum (Mo) | 0.10% max |
| Phosphorus (P) | 0.025% max |
| Sulfur (S) | 0.01% max |
| Boron (B) | 0.003% max |
Hardox 400 Mechanical Properties
| Property | Value |
| Yield Strength (Rp0.2) | 1000 MPa (min) |
| Tensile Strength (Rm) | 1200 MPa (min) |
| Elongation (A) | 3% (min) |
| Reduction of Area (Z) | 10% (min) |
| Impact Toughness | 27 J at -40°C (min) |
| Hardness | 400 HBW |
Hardox 400 Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Hardness | 400 HBW |
| Melting Point | Approx. 1450°C |
| Thermal Conductivity | 25 W/m·K (approx.) |
| Coefficient of Thermal Expansion | 11.5 × 10⁻⁶/K (approx.) |
| Electrical Resistivity | 0.00001 Ω·m (approx.) |
Hardox 400 Steel Plate Dimensions
- Thickness
Plates: 4.0–130 mm (5/32–5.12 in)
Sheets: 2.0–8.0 mm (0.079–0.315 in)
- Width
Plates: Up to 3350 mm (131.89 in)
Sheets: Up to 1650 mm (64.96 in)
- Length
Plates: Up to 14630 mm (575.98 in)
Sheets: Up to 16000 mm (629.92 in)
Fabrication and Processing
- Welding:
- Preheating may be required for thicker plates.
- Low-hydrogen electrodes are recommended.
- Maintain interpass temperatures below 200°C.
- Cutting:
- Suitable for both thermal and mechanical cutting methods.
- Laser, plasma, and water jet cutting are preferred for precision.
- Machining:
- Requires high-speed steel or carbide tools.
- Use appropriate coolant to reduce tool wear.
- Bending and Forming:
- Ensure a minimum bending radius of three times the plate thickness.
- Utilize slow and uniform force application for bending.
Applications of Hardox 400 Steel Plate
Hardox 400 steel plate is utilized in a wide range of applications where wear resistance is essential:
- Mining and Quarrying:
- Liner plates, conveyors, and crushers.
- Excavator buckets and truck beds.
- Construction:
- Dump truck bodies and asphalt pavers.
- Grading blades and bulldozer parts.
- Recycling Industry:
- Shredders, recycling equipment, and waste handling systems.
- Agricultural Machinery:
- Plowshares, tillage tools, and harvesting equipment.
- Other Industries:
- Industrial chutes, hoppers, and material handling equipment.
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