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Technical Specifications
Product Overview
Metallurgical Characteristics
Light Gauge Steel features a fine-grained ferritic microstructure achieved through controlled hot rolling followed by cold reduction and continuous annealing. The low carbon content and optimized chemistry provide excellent formability while maintaining structural strength. Grain refinement through aluminum deoxidation enhances both strength and ductility for complex forming operations.
Heat Treatment Process
MetalZenith employs continuous annealing at 650-750°C with controlled heating and cooling rates to achieve optimal recrystallization and grain structure. The process includes precise temperature profiling and atmosphere control to ensure consistent mechanical properties and surface quality throughout the coil length.
Manufacturing Process Excellence
Our integrated production line combines hot rolling, pickling, cold rolling, and continuous annealing with inline galvanizing capabilities. Advanced process control systems monitor thickness variation, surface quality, and mechanical properties in real-time, ensuring consistent product quality and dimensional accuracy.
Structural Performance Testing
MetalZenith conducts comprehensive testing including welding performance evaluation using resistance spot welding and arc welding methods, formability assessment through Erichsen cupping and bend tests, fatigue strength testing under cyclic loading conditions, and atmospheric corrosion resistance testing in salt spray environments to validate long-term structural performance.
Application Engineering Considerations
For building structures and framing systems, our Light Gauge Steel provides optimized section modulus and moment of inertia for efficient load transfer. Bridge engineering applications benefit from the material's consistent properties and weldability. In mechanical manufacturing, the steel's formability enables complex geometries while maintaining structural integrity. Vehicle manufacturing applications leverage the strength-to-weight ratio for chassis components, while general engineering projects utilize the versatility and cost-effectiveness of this structural grade.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.15 |
| Manganese (Mn) | 0.30 - 1.00 |
| Silicon (Si) | ≤ 0.50 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.025 |
| Aluminum (Al) | 0.020 - 0.055 |
| Copper (Cu) | ≤ 0.20 |
| Nitrogen (N) | ≤ 0.009 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 230 - 550 |
| Tensile Strength (MPa) | 310 - 690 |
| Elongation (%) | ≥ 20 |
| Impact Energy at 0°C (J) | ≥ 27 |
| Hardness (HRB) | 60 - 95 |
| Bend Radius (t) | 0.5 - 2.0 |
🔬 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) | 11.7 |
| Elastic Modulus (GPa) | 200 |
| Poisson's Ratio | 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Coils, Sheets, Pre-formed Sections, Custom Profiles |
| Thickness Range | 0.4 - 6.0mm |
| Width Range | 600 - 1500mm |
| Length Range | 2000 - 12000mm |
| Standards Compliance | ASTM A1003, AISI S100, EN 10346 |
| Coating Options | Galvanized (Z275-Z450), Galvalume, Organic Coated |
| Processing Condition | Cold-Rolled and Annealed |
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Our Advantages in Processing Light Gauge Steel
Precision Cold-Forming Technology
MetalZenith utilizes advanced cold-rolling mills with computerized thickness control and multi-stand configuration to achieve exceptional dimensional accuracy and surface quality. Our precision forming process ensures consistent cross-sectional properties and enhanced structural performance in light gauge applications.
Comprehensive Structural Testing
MetalZenith conducts extensive testing protocols including welding performance evaluation, bend testing for formability assessment, fatigue resistance testing under cyclic loading, and accelerated corrosion testing to ensure long-term durability in structural applications.
Custom Profile Engineering
MetalZenith offers comprehensive custom roll-forming services with in-house tooling design and engineering support. Our technical team provides structural analysis, load calculations, and application-specific profile optimization to meet unique project requirements.
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