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Technical Specifications
Product Overview
Metallurgical Characteristics
Ledloy steel features a refined ferritic-pearlitic microstructure with controlled carbide distribution, achieved through precise alloying with chromium, nickel, and molybdenum. The optimized chemical composition provides excellent strength-to-weight ratio while maintaining superior weldability and formability essential for structural applications.
Heat Treatment Process
MetalZenith employs controlled rolling at 1050-1150°C followed by accelerated cooling or normalization at 880-920°C. This thermomechanical processing ensures uniform grain structure and optimal precipitation of strengthening phases, resulting in consistent mechanical properties throughout the material cross-section.
Manufacturing Excellence
Our advanced production process incorporates real-time monitoring of rolling parameters, precise temperature control, and automated quality inspection systems. MetalZenith's integrated approach ensures dimensional accuracy, surface quality, and mechanical property consistency critical for structural steel applications.
Specialized Quality Testing
Ledloy steel undergoes comprehensive testing including welding procedure qualification, bend testing for formability assessment, rotating beam fatigue testing, and accelerated atmospheric corrosion evaluation. Our quality assurance program includes ultrasonic inspection, magnetic particle testing, and complete chemical analysis to ensure structural integrity.
Application Engineering
For building construction, Ledloy provides excellent seismic resistance and fire performance. In bridge engineering, its superior fatigue strength ensures long-term durability under cyclic loading. For machinery manufacturing, the steel offers optimal machinability and dimensional stability. In vehicle construction, Ledloy delivers crash resistance and weight optimization. General engineering applications benefit from its versatile processing capabilities and reliable performance across diverse operating conditions.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 - 0.23 |
| Manganese (Mn) | 1.20 - 1.65 |
| Silicon (Si) | 0.15 - 0.40 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 0.40 - 0.65 |
| Nickel (Ni) | 0.25 - 0.40 |
| Molybdenum (Mo) | 0.15 - 0.25 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 345 |
| Tensile Strength (MPa) | 450 - 590 |
| Elongation (%) | ≥ 21 |
| Impact Energy at 0°C (J) | ≥ 27 |
| Hardness (HB) | 140 - 180 |
| Fatigue Strength (MPa) | ≥ 160 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1510 - 1540 |
| Thermal Conductivity (W/m·K) | 50.2 |
| Thermal Expansion (×10??/K) | 11.8 |
| Elastic Modulus (GPa) | 200 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Beams, Channels, Angles, Bars, Tubes |
| Thickness Range | 5 - 150mm |
| Width Range | 1200 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | ASTM A572, AISC 360, AWS D1.1, EN 10025 |
| Heat Treatment Condition | Hot Rolled, Normalized, or TMCP |
| Surface Finish | Mill Scale, Pickled, Shot Blasted |
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Our Advantages in Processing Ledloy Steel
Advanced Thermomechanical Processing
MetalZenith utilizes controlled rolling with precise temperature monitoring and optimized cooling rates to achieve superior grain structure in Ledloy steel. Our advanced processing technology ensures consistent mechanical properties throughout the material thickness, delivering enhanced strength and toughness for structural applications.
Comprehensive Structural Testing
Our Ledloy steel undergoes extensive testing including welding performance evaluation, forming capability assessment, fatigue strength analysis, and atmospheric corrosion resistance testing. MetalZenith's quality assurance program ensures optimal performance in demanding structural environments with superior long-term durability.
Custom Engineering Solutions
MetalZenith provides comprehensive custom processing services for Ledloy steel, including precision cutting, forming, heat treatment, and surface preparation. Our technical support team works closely with structural engineers to optimize material specifications for specific construction and manufacturing requirements.
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