En8D Chromed Hard Chrome Plated Hydraulic Cylinder Piston Rods
Material, Specification, Key Features
The En8D chromed hard chrome plated hydraulic cylinder piston rods are constructed with high-quality materials and precise specifications to meet demanding industrial requirements. Below are the key features of these piston rods:
Material: En8D steel, known for its excellent machinability and weldability.
Specification: Manufactured to precise dimensional tolerances, ensuring compatibility with hydraulic systems.
Key Features:
Hard chrome plating: Provides exceptional surface hardness and corrosion resistance.
High tensile strength: Ensures durability and reliability under heavy loads.
Superior surface finish: Minimizes friction for smooth operation within hydraulic cylinders.
Chemical Composition
| Element | Percentage (%) |
| Carbon (C) | 0.40 - 0.45 |
| Manganese (Mn) | 0.60 - 0.90 |
| Silicon (Si) | 0.10 - 0.35 |
| Phosphorus (P) | ≤ 0.05 |
| Sulfur (S) | ≤ 0.05 |
Mechanical Properties
| Property | Value |
| Tensile Strength | 560 - 700 MPa |
| Yield Strength | 360 - 450 MPa |
| Elongation | 16 - 20% |
| Hardness (HB) | 200 - 220 |
Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1480°C |
| Thermal Conductivity | 52.6 W/m·K |
Process Performance
| Property | Performance |
| Machinability | Excellent |
| Weldability | Good |
| Hard Chrome Plating | Uniform thickness, high adhesion |
Steel Grade
The En8D steel grade is a medium carbon steel with excellent mechanical properties, making it suitable for various engineering applications.
Application
These chromed hard chrome plated hydraulic cylinder piston rods find extensive use in:
Hydraulic cylinders
Machine tools
Agricultural equipment
Construction machinery
Material handling equipment
Possible Alternative Grades
While En8D is a popular choice for hydraulic cylinder piston rods, alternative grades such as En9, En19, and En24 offer similar or enhanced properties, depending on specific application requirements. Each grade may provide unique advantages in terms of strength, corrosion resistance, or machinability, allowing for customization based on application needs.
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