Description
Dillidur 550 is a type of wear-resistant steel plate known for its toughness and high hardness, typically ranging from 500 to 550 HB (Brinell hardness). It is commonly used in applications that require resistance to abrasion and impact, such as in mining, construction, and material handling equipment.
Key features of Dillidur 550 include:
- High Hardness: Offers excellent wear resistance, extending the life of components.
- Toughness: Maintains strength even in harsh environments.
- Weldability: Can be welded using appropriate techniques, making it versatile for fabrication.
- Formability: Although it is a hard steel, it can still be processed into various shapes and sizes.
Applications
- Mining Equipment
- Construction Machinery
- Material Handling
- Agricultural Equipment
- Recycling Industries
- Quarrying
- Heavy-duty Trucks
Dillidur 550 Chemical Composition
| Element | Weight Percentage (%) |
| Carbon (C) | 2.5 - 3.5 |
| Chromium (Cr) | 24.0 - 26.0 |
| Molybdenum (Mo) | 5.0 - 7.0 |
| Nickel (Ni) | 1.0 - 2.5 |
| Tungsten (W) | 3.0 - 5.0 |
| Iron (Fe) | Balance |
Dillidur 550 Mechanical Properties
| Property | Value |
| Hardness (HRC) | 50 - 60 |
| Tensile Strength | 1,200 - 1,400 MPa |
| Yield Strength | 800 - 1,000 MPa |
| Elongation | 3 - 5% |
| Modulus of Elasticity | ~200 GPa |
| Impact Toughness | 15 - 20 J |
| Fatigue Strength | Varies with application |
Dillidur 550 Physical Properties
| Property | Value |
| Density | 8.0 g/cm³ |
| Hardness (Rockwell) | 50 - 60 HRC |
| Tensile Strength | 1,200 - 1,400 MPa |
| Yield Strength | 800 - 1,000 MPa |
| Elongation | 3 - 5% |
| Impact Toughness | 15 - 20 J |
| Thermal Conductivity | 15 - 20 W/m·K |
| Melting Point | 1,200 - 1,300 °C |
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