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Technical Specifications
Product Overview
Metallurgical Characteristics
Q460 exhibits a fine-grained ferritic-pearlitic microstructure achieved through controlled rolling and accelerated cooling processes. The optimized chemical composition with controlled carbon equivalent ensures excellent weldability while maintaining high strength. Microalloying elements promote grain refinement and precipitation strengthening, resulting in superior mechanical properties.
Heat Treatment Process
MetalZenith employs thermomechanical controlled processing (TMCP) with controlled rolling temperatures between 850-950°C followed by accelerated cooling. This process optimizes the austenite-to-ferrite transformation, achieving fine grain structure and enhanced toughness while maintaining excellent formability for structural applications.
Manufacturing Excellence
Our advanced production facility utilizes continuous casting technology and precision rolling mills with computerized process control. Real-time monitoring of temperature, reduction ratios, and cooling rates ensures consistent mechanical properties and dimensional accuracy throughout the production process.
Structural Performance Testing
MetalZenith conducts comprehensive testing including welding performance evaluation using standard procedures, forming capability assessment through bend tests, fatigue strength analysis under cyclic loading, and atmospheric corrosion resistance testing. These specialized tests ensure optimal performance in demanding structural environments.
Application Engineering
For building structures and bridge engineering, Q460's high strength-to-weight ratio enables lighter designs with enhanced load capacity. In machinery manufacturing, excellent formability and weldability facilitate complex fabrication processes. For vehicle manufacturing, superior fatigue resistance and impact toughness ensure long-term reliability under dynamic loading conditions.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.20 |
| Manganese (Mn) | 1.00 - 1.70 |
| Silicon (Si) | 0.15 - 0.55 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | ≤ 0.30 |
| Nickel (Ni) | ≤ 0.30 |
| Copper (Cu) | ≤ 0.25 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 460 |
| Tensile Strength (MPa) | 550 - 720 |
| Elongation (%) | ≥ 17 |
| Impact Energy at 0°C (J) | ≥ 34 |
| Hardness (HB) | 170 - 230 |
| Fatigue Strength (MPa) | ≥ 200 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1510 - 1540 |
| Thermal Conductivity (W/m·K) | 49.8 |
| Thermal Expansion (×10??/K) | 11.8 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Beams, Channels, Angles, Bars |
| Thickness Range | 3 - 80mm |
| Width Range | 1000 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | GB/T 1591, EN 10025-2, JIS G3106 |
| Heat Treatment Condition | Hot Rolled, Normalized, or TMCP |
| Surface Finish | Mill Scale, Shot Blasted, Pickled |
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Our Advantages in Processing Q460 High Strength Structural Steel
Advanced Thermomechanical Processing
MetalZenith utilizes controlled rolling and precise cooling strategies with real-time process monitoring to achieve optimal grain structure and enhanced mechanical properties. Our advanced TMCP technology ensures superior strength, toughness, and weldability throughout the material thickness.
Comprehensive Structural Testing
Our Q460 steel undergoes extensive testing including welding performance evaluation, forming capability assessment, fatigue strength analysis, and atmospheric corrosion resistance testing. This comprehensive approach ensures optimal performance in demanding structural applications.
Custom Processing & Engineering Support
MetalZenith provides tailored processing solutions including precision cutting, forming, and heat treatment services. Our technical team offers comprehensive engineering support for structural design optimization and application-specific material selection.
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