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Technical Specifications
Product Overview
Metallurgical Characteristics
S700MC features a fine-grained ferritic-bainitic microstructure achieved through thermomechanical controlled processing (TMCP). The controlled addition of microalloying elements including niobium, vanadium, and titanium promotes precipitation strengthening and grain refinement, resulting in exceptional strength while maintaining good ductility and toughness for structural applications.
Heat Treatment Process
MetalZenith employs advanced TMCP technology with controlled rolling at temperatures between 850-950°C followed by accelerated cooling. This process eliminates the need for subsequent heat treatment while achieving superior mechanical properties and dimensional stability essential for structural applications.
Manufacturing Process Excellence
Our state-of-the-art production facility utilizes computer-controlled rolling mills with precise temperature monitoring and accelerated cooling systems. The TMCP process ensures uniform microstructure throughout the material thickness, delivering consistent mechanical properties and excellent surface quality for demanding structural applications.
Specialized Quality Testing
MetalZenith conducts comprehensive testing protocols including welding performance evaluation using standard procedures, cold forming tests to assess bendability, fatigue strength testing under cyclic loading conditions, and atmospheric corrosion resistance testing in simulated environmental conditions to ensure long-term structural integrity.
Structural Application Engineering
For building construction and bridge engineering, S700MC provides exceptional strength-to-weight ratios enabling lighter structural designs. In mechanical manufacturing and vehicle construction, the steel's excellent formability allows complex geometries while maintaining structural integrity. For general engineering applications, the combination of high strength and good weldability ensures reliable performance in diverse structural environments.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.12 |
| Manganese (Mn) | ≤ 2.10 |
| Silicon (Si) | ≤ 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.015 |
| Aluminum (Al) | ≥ 0.015 |
| Niobium (Nb) | ≤ 0.09 |
| Vanadium (V) | ≤ 0.20 |
| Titanium (Ti) | ≤ 0.15 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 700 |
| Tensile Strength (MPa) | 750 - 950 |
| Elongation (%) | ≥ 12 |
| Impact Energy at -20°C (J) | ≥ 30 |
| Hardness (HB) | 220 - 280 |
| Bend Test (180°) | 3t (thickness) |
🔬 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) | 11.5 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Coils, Strips, Profiles |
| Thickness Range | 2 - 20mm |
| Width Range | 1000 - 2100mm |
| Length Range | 2000 - 12000mm |
| Standards Compliance | EN 10149-2, ASTM A1011, JIS G3136 |
| Delivery Condition | TMCP (Thermomechanically Processed) |
| Surface Finish | Hot Rolled, Pickled, Oiled |
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Our Advantages in Processing S700MC Steel
Advanced TMCP Processing Technology
MetalZenith utilizes cutting-edge thermomechanical controlled processing (TMCP) with precise temperature control and accelerated cooling to achieve optimal microstructure refinement. Our advanced processing ensures consistent high strength properties while maintaining excellent formability and weldability throughout the material thickness.
Comprehensive Structural Testing
MetalZenith conducts extensive testing protocols specifically designed for structural applications, including welding performance evaluation, cold forming tests, fatigue strength assessment, and atmospheric corrosion resistance testing. Our quality assurance ensures optimal performance in demanding structural environments.
Custom Structural Solutions
MetalZenith provides comprehensive custom processing services including precision cutting, forming, welding preparation, and surface treatment. Our technical support team works closely with structural engineers to optimize material specifications for specific construction and manufacturing requirements.
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