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Technical Specifications
Product Overview
Metallurgical Characteristics
SAE 1524 exhibits a predominantly ferritic-pearlitic microstructure with fine grain size achieved through controlled rolling processes. The medium carbon content (0.19-0.25%) combined with manganese (1.35-1.65%) provides optimal balance between strength and ductility. The microstructure ensures excellent formability while maintaining adequate strength for structural applications.
Heat Treatment Process
MetalZenith employs controlled cooling from rolling temperature or normalization at 870-920°C followed by air cooling. For enhanced properties, stress relief annealing at 600-650°C may be applied. Our precise temperature control and cooling rate management ensure optimal mechanical properties and dimensional stability.
Manufacturing Process
Our SAE 1524 production utilizes electric arc furnace melting with secondary refining for precise chemistry control. Continuous casting followed by controlled rolling with finish rolling temperatures between 850-900°C ensures uniform microstructure. Advanced process control systems monitor temperature, reduction ratios, and cooling rates throughout production.
Structural Quality Testing
Comprehensive testing includes tensile testing per ASTM A370, Charpy V-notch impact testing, bend testing for formability assessment, and fatigue testing for cyclic loading applications. Weldability testing includes HAZ hardness surveys, bend testing of welded joints, and atmospheric corrosion testing per ASTM G50 standards.
Application Engineering
For building construction, SAE 1524 provides excellent weldability with standard procedures and preheating requirements. Bridge applications benefit from superior fatigue resistance and atmospheric corrosion performance. Machinery applications utilize the balanced strength-to-weight ratio and machinability. Automotive structural components leverage the formability and crash energy absorption characteristics.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.19 - 0.25 |
| Manganese (Mn) | 1.35 - 1.65 |
| Silicon (Si) | 0.15 - 0.35 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | ≤ 0.25 |
| Nickel (Ni) | ≤ 0.25 |
| Copper (Cu) | ≤ 0.35 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 415 - 550 |
| Tensile Strength (MPa) | 520 - 670 |
| Elongation (%) | ≥ 18 |
| Impact Energy at 20°C (J) | ≥ 27 |
| Hardness (HB) | 149 - 197 |
| Fatigue Strength (MPa) | 260 - 335 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.87 |
| Melting Point (°C) | 1495 - 1520 |
| Thermal Conductivity (W/m·K) | 49.8 |
| Thermal Expansion (×10??/K) | 11.7 |
| 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 | 3 - 200mm |
| Width Range | 1000 - 3000mm |
| Length Range | 6000 - 12000mm |
| Standards Compliance | SAE J403, ASTM A36, AISC 360 |
| Heat Treatment Condition | Hot Rolled, Normalized, or As-Required |
| Surface Finish | Mill Scale, Pickled, Shot Blasted |
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Our Advantages in Processing SAE 1524 Steel
Controlled Rolling Technology
MetalZenith utilizes advanced controlled rolling processes with precise temperature control and deformation schedules to achieve optimal grain refinement in SAE 1524 steel. Our thermomechanical processing ensures uniform microstructure and enhanced mechanical properties throughout the material cross-section.
Comprehensive Structural Testing
Our SAE 1524 steel undergoes extensive testing including Charpy impact testing, bend testing for formability, fatigue strength evaluation, and atmospheric corrosion resistance assessment. We also conduct comprehensive weldability testing including HAZ analysis and joint strength verification to ensure optimal performance in structural applications.
Custom Fabrication Services
MetalZenith provides complete custom processing services for SAE 1524 steel including precision cutting, forming, heat treatment, and surface preparation. Our technical team offers expert consultation for structural design optimization and welding procedure development to meet specific project requirements.
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