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Technical Specifications
Product Overview
Metallurgical Characteristics
Mild carbon steel exhibits a predominantly ferritic-pearlitic microstructure with fine grain size that provides excellent balance of strength and ductility. The low carbon content (0.15-0.25%) ensures superior weldability and formability while maintaining adequate structural strength. The controlled manganese content enhances hardenability and strength without compromising ductility.
Heat Treatment Process
MetalZenith employs controlled hot rolling at temperatures between 1100-1250°C followed by controlled cooling to achieve optimal mechanical properties. Normalizing at 850-900°C may be applied for stress relief and grain refinement. Our precise temperature control ensures consistent microstructure and mechanical properties throughout the material cross-section.
Manufacturing Process Excellence
Our state-of-the-art production facility utilizes electric arc furnace steelmaking followed by ladle refining for precise chemistry control. Continuous casting ensures homogeneous structure, while our advanced hot rolling mill with computerized process control delivers consistent dimensional accuracy and surface quality. Real-time monitoring systems ensure optimal processing parameters for structural grade requirements.
Specialized Quality Testing
MetalZenith conducts comprehensive testing specific to structural applications including: welding performance evaluation per AWS D1.1, bend testing for formability assessment, Charpy V-notch impact testing for toughness verification, and accelerated atmospheric corrosion testing. Fatigue strength testing ensures reliability under cyclic loading conditions typical in structural applications.
Application-Specific Technical Considerations
For building construction, our mild carbon steel provides excellent weldability for structural connections and adequate strength for load-bearing applications. Bridge engineering applications benefit from superior fatigue resistance and atmospheric corrosion performance. Machinery manufacturing utilizes the excellent machinability and formability for complex component fabrication. Automotive applications leverage the deep drawing capabilities and crash energy absorption characteristics. General engineering projects benefit from the versatile processing capabilities and cost-effective performance.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 - 0.25 |
| Manganese (Mn) | 0.30 - 0.80 |
| Silicon (Si) | 0.15 - 0.40 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Iron (Fe) | Balance |
| Copper (Cu) | ≤ 0.20 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 250 - 280 |
| Tensile Strength (MPa) | 400 - 550 |
| Elongation (%) | ≥ 20 |
| Impact Energy at 20°C (J) | ≥ 27 |
| Hardness (HB) | 120 - 160 |
| Fatigue Strength (MPa) | 180 - 220 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.87 |
| 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, Sheets, Bars, Beams, Channels, Angles |
| Thickness Range | 1 - 200mm |
| Width Range | 500 - 3000mm |
| Length Range | 3000 - 12000mm |
| Standards Compliance | ASTM A36, ASTM A572, EN S235, JIS SS400 |
| Surface Condition | Hot Rolled, Pickled, Oiled |
| Edge Condition | Mill Edge, Slit Edge, Cut Edge |
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Our Advantages in Processing Mild Carbon Steel
Advanced Hot Rolling Technology
MetalZenith utilizes controlled hot rolling with precise temperature monitoring and cooling rates to achieve optimal grain structure and mechanical properties. Our advanced processing ensures consistent strength and excellent formability throughout the material cross-section, ideal for structural fabrication.
Comprehensive Structural Testing
Our quality assurance includes specialized testing for structural applications: welding performance evaluation, bend testing for formability, Charpy impact testing for toughness, and atmospheric corrosion resistance testing. This ensures superior performance in demanding structural environments.
Custom Fabrication Services
MetalZenith offers comprehensive custom processing including cutting, forming, welding preparation, and surface treatment. Our technical support team provides expert guidance on material selection, fabrication techniques, and application-specific requirements for structural projects.
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