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Technical Specifications
Product Overview
Metallurgical Characteristics
Mild steel exhibits a predominantly ferritic-pearlitic microstructure with fine grain size that provides excellent balance between 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 contributes to improved mechanical properties.
Heat Treatment Process
MetalZenith employs controlled hot rolling at temperatures between 1100-1200°C followed by controlled cooling to achieve optimal microstructure. Stress relief annealing at 600-650°C may be applied for enhanced dimensional stability in critical structural applications. Normalization at 850-900°C can be performed to refine grain structure and improve mechanical properties.
Manufacturing Process Excellence
Our advanced manufacturing process includes continuous casting, controlled hot rolling with precise temperature monitoring, and optimized cooling strategies. MetalZenith's quality control systems ensure consistent chemical composition and mechanical properties throughout production, with real-time monitoring of rolling parameters and surface quality.
Specialized Quality Testing
Comprehensive testing protocols include welding performance evaluation using standard procedures, forming limit analysis for deep drawing and bending operations, fatigue strength testing under cyclic loading conditions, and atmospheric corrosion resistance assessment through salt spray testing. These tests ensure reliable performance in structural applications.
Application-Specific Technical Considerations
For building structures, mild steel provides excellent weldability for frame construction and adequate strength for load-bearing applications. In bridge engineering, the material's ductility and fatigue resistance ensure long-term structural integrity. For machinery manufacturing, the excellent machinability and forming characteristics enable complex component fabrication. In vehicle manufacturing, the combination of strength and formability supports both structural and body panel applications. General engineering applications benefit from the material's versatility and cost-effectiveness.
🧪 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 (%) | ≥ 23 |
| 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) | 51.9 |
| 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, Angles, Channels, Beams |
| Thickness Range | 1 - 200mm |
| Width Range | 500 - 3000mm |
| Length Range | 2000 - 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 Steel
Controlled Hot Rolling Technology
MetalZenith utilizes advanced controlled hot rolling with precise temperature monitoring and cooling rates to achieve optimal grain structure and mechanical properties. Our process ensures consistent strength and excellent formability throughout the material cross-section, essential for structural applications.
Comprehensive Structural Testing
Our quality assurance includes specialized testing for structural applications: welding performance evaluation, forming limit analysis, fatigue strength testing, and atmospheric corrosion resistance assessment. This ensures reliable performance in demanding construction and engineering environments.
Custom Fabrication Services
MetalZenith offers comprehensive custom processing including cutting, forming, welding preparation, and surface treatment. Our technical support team provides expert guidance for structural design optimization and fabrication best practices to maximize material performance.
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