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Technical Specifications
Product Overview
Metallurgical Characteristics
EN8 is a medium carbon structural steel with a predominantly ferritic-pearlitic microstructure that provides an excellent balance of strength, toughness, and machinability. The controlled carbon content of 0.36-0.44% ensures optimal hardenability while maintaining good weldability and forming characteristics essential for structural applications.
Heat Treatment Process
MetalZenith employs controlled normalization at 850-900°C followed by air cooling to achieve optimal mechanical properties. Our precise heat treatment protocols ensure uniform grain structure and consistent hardness distribution, critical for structural integrity in demanding applications.
Manufacturing Excellence
Our advanced manufacturing process incorporates controlled rolling with optimized reduction schedules and precise temperature control throughout the production cycle. MetalZenith's state-of-the-art facilities ensure exceptional dimensional accuracy and surface quality while maintaining the structural integrity required for critical engineering applications.
Specialized Quality Testing
EN8 steel undergoes comprehensive testing including weldability assessments using standard procedures, forming performance evaluation through bend and cup tests, fatigue strength analysis under cyclic loading conditions, and atmospheric corrosion resistance testing to ensure long-term durability in structural environments.
Structural Engineering Applications
For building construction, EN8 provides excellent load-bearing capacity and seismic resistance. In bridge engineering, its fatigue resistance and weldability ensure long-term structural integrity. For mechanical manufacturing, the material offers superior machinability and dimensional stability. In vehicle construction, EN8 delivers optimal strength-to-weight ratios for chassis and frame applications, while general engineering benefits from its versatility and cost-effectiveness.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.36 - 0.44 |
| Manganese (Mn) | 0.60 - 0.90 |
| Silicon (Si) | 0.10 - 0.40 |
| Phosphorus (P) | ≤ 0.050 |
| Sulfur (S) | ≤ 0.050 |
| Chromium (Cr) | ≤ 0.25 |
| Nickel (Ni) | ≤ 0.25 |
| Molybdenum (Mo) | ≤ 0.10 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 340 |
| Tensile Strength (MPa) | 550 - 700 |
| Elongation (%) | ≥ 16 |
| Impact Energy at 20°C (J) | ≥ 35 |
| Hardness (HB) | 170 - 210 |
| Reduction of Area (%) | ≥ 40 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1450 - 1520 |
| Thermal Conductivity (W/m·K) | 51.9 |
| Thermal Expansion (×10??/K) | 11.5 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Bars, Rods, Tubes, Forgings |
| Thickness Range | 3 - 150mm |
| Width Range | 500 - 3000mm |
| Length Range | 3000 - 12000mm |
| Standards Compliance | BS EN 10083-2, ASTM A29, DIN 1.1269 |
| Heat Treatment Condition | Normalized, Annealed, or As-Rolled |
| Surface Finish | Hot Rolled, Cold Drawn, Machined |
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Our Advantages in Processing EN8 Steel
Precision Controlled Rolling Technology
MetalZenith utilizes advanced controlled rolling techniques with precise temperature monitoring and optimized reduction schedules to achieve superior grain refinement in EN8 steel. Our state-of-the-art processing ensures consistent mechanical properties and enhanced structural integrity throughout the material cross-section.
Comprehensive Structural Testing
Our EN8 steel undergoes extensive testing protocols including weldability assessments, forming performance evaluation, fatigue strength analysis, and atmospheric corrosion resistance testing. MetalZenith's quality assurance ensures optimal performance in structural applications with complete documentation and certification.
Custom Fabrication Solutions
MetalZenith provides comprehensive custom processing services for EN8 steel including precision cutting, heat treatment optimization, and specialized forming operations. Our technical support team works closely with customers to develop tailored solutions for specific structural engineering requirements.
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