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Technical Specifications
Product Overview
Metallurgical Characteristics
Eglin Steel features a tempered martensitic microstructure with fine carbide precipitation, achieved through controlled quenching and tempering processes. The optimized alloy composition with chromium, nickel, and molybdenum additions provides exceptional hardenability and toughness retention at high strength levels, making it ideal for structural applications requiring superior load-bearing capacity.
Heat Treatment Process
MetalZenith employs controlled austenitizing at 870-900°C followed by oil or water quenching and tempering at 590-650°C. This precise heat treatment schedule ensures optimal strength-toughness balance while maintaining excellent dimensional stability and residual stress control critical for structural applications.
Advanced Manufacturing Process
Our production process begins with vacuum induction melting to ensure chemical homogeneity, followed by controlled forging or rolling to achieve optimal grain flow and mechanical properties. MetalZenith's advanced process control systems monitor temperature, cooling rates, and deformation parameters to guarantee consistent ultra-high strength performance.
Structural Performance Testing
MetalZenith conducts comprehensive testing protocols including Charpy V-notch impact testing at various temperatures, fatigue crack growth rate analysis, welding procedure qualification tests, and accelerated atmospheric corrosion testing. Our quality assurance program ensures reliable performance in demanding structural environments with extended service life requirements.
Engineering Applications Optimization
For building construction, Eglin Steel enables lighter structural frameworks with reduced material usage while maintaining safety factors. In bridge engineering, its superior fatigue resistance extends service life under cyclic loading. For machinery manufacturing, the high strength-to-weight ratio improves equipment performance and reduces foundation requirements. In vehicle manufacturing, it provides enhanced crash protection while reducing overall weight for improved fuel efficiency.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.12 - 0.21 |
| Manganese (Mn) | 0.45 - 0.70 |
| Silicon (Si) | 0.20 - 0.35 |
| Chromium (Cr) | 0.50 - 0.80 |
| Nickel (Ni) | 1.65 - 2.00 |
| Molybdenum (Mo) | 0.20 - 0.30 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 690 |
| Tensile Strength (MPa) | 760 - 895 |
| Elongation (%) | ≥ 18 |
| Impact Energy at -40°C (J) | ≥ 34 |
| Hardness (HB) | 230 - 285 |
| Fatigue Strength (MPa) | ≥ 310 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 42.7 |
| Thermal Expansion (×10??/K) | 12.3 |
| Elastic Modulus (GPa) | 200 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Bars, Forgings, Structural Shapes |
| Thickness Range | 6 - 150mm |
| Width Range | 1000 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | ASTM A514, ASTM A709, AWS D1.1 |
| Heat Treatment Condition | Quenched and Tempered |
| Surface Finish | Hot Rolled, Normalized, Machined |
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Our Advantages in Processing Eglin Steel
Precision Vacuum Melting Technology
MetalZenith utilizes advanced vacuum induction melting followed by vacuum arc remelting (VIM-VAR) to achieve exceptional cleanliness and homogeneity in Eglin Steel. Our controlled atmosphere processing eliminates inclusions and ensures consistent ultra-high strength properties throughout the material cross-section.
Comprehensive Structural Testing
MetalZenith conducts extensive testing protocols specific to structural applications, including Charpy V-notch impact testing, fatigue crack growth analysis, welding procedure qualification, and atmospheric corrosion resistance evaluation. Our testing ensures optimal performance in demanding structural environments.
Custom Structural Solutions
MetalZenith provides tailored heat treatment schedules and custom forming services to optimize Eglin Steel properties for specific structural applications. Our engineering team offers comprehensive technical support for welding procedures, joint design, and structural analysis to maximize performance in critical applications.
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