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Technical Specifications
Product Overview
Metallurgical Characteristics
JSC270C features a fine-grained ferritic-pearlitic microstructure optimized for structural applications. The controlled addition of microalloying elements including niobium and vanadium promotes grain refinement and precipitation strengthening, resulting in an excellent combination of strength, toughness, and weldability. The steel's microstructure ensures consistent mechanical properties and superior performance in structural fabrication processes.
Heat Treatment Process
MetalZenith employs controlled rolling followed by accelerated cooling or normalization at 880-920°C with controlled cooling rates to achieve optimal mechanical properties. Our thermomechanical processing ensures uniform grain structure, enhanced strength characteristics, and improved weldability for structural applications requiring consistent performance throughout the material cross-section.
Manufacturing Process Excellence
Our advanced manufacturing process incorporates continuous casting, controlled rolling with precise temperature monitoring, and optimized cooling strategies. MetalZenith's state-of-the-art facilities ensure consistent chemical composition, superior surface quality, and dimensional accuracy essential for structural steel applications in construction and engineering projects.
Specialized Quality Testing
JSC270C undergoes comprehensive testing including weldability performance evaluation using standard welding procedures, forming capability assessment through bend testing, fatigue strength testing under cyclic loading conditions, and atmospheric corrosion resistance evaluation. Our quality assurance program ensures optimal performance in structural applications with superior joint integrity and long-term durability in various environmental conditions.
Application-Specific Technical Considerations
For building construction applications, JSC270C provides excellent strength-to-weight ratio and superior weldability for efficient fabrication. In bridge engineering, the steel's fatigue resistance and atmospheric corrosion properties ensure long-term structural integrity. For machinery manufacturing, the material's formability and consistent mechanical properties enable complex fabrication requirements. In vehicle manufacturing, JSC270C offers optimal crashworthiness and weight reduction benefits, while general engineering applications benefit from the steel's versatility and reliable performance characteristics.
🧪 Chemical Composition
Element | Composition (%) |
---|---|
Carbon (C) | ≤ 0.20 |
Manganese (Mn) | 1.00 - 1.50 |
Silicon (Si) | 0.15 - 0.55 |
Phosphorus (P) | ≤ 0.030 |
Sulfur (S) | ≤ 0.030 |
Aluminum (Al) | ≥ 0.015 |
Niobium (Nb) | 0.015 - 0.060 |
Vanadium (V) | 0.02 - 0.15 |
⚙️ Mechanical Properties
Property | Value |
---|---|
Yield Strength (MPa) | ≥ 270 |
Tensile Strength (MPa) | 400 - 540 |
Elongation (%) | ≥ 22 |
Impact Energy at 0°C (J) | ≥ 27 |
Hardness (HB) | 120 - 180 |
Fatigue Strength (MPa) | ≥ 135 |
🔬 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) | 11.8 |
Elastic Modulus (GPa) | 200 |
Poisson's Ratio | 0.30 |
📏 Product Specifications
Specification | Details |
---|---|
Available Forms | Plates, Sheets, Beams, Channels, Angles, Bars |
Thickness Range | 3 - 80mm |
Width Range | 1000 - 3500mm |
Length Range | 6000 - 15000mm |
Standards Compliance | JIS G3106, ASTM A572, EN 10025 |
Heat Treatment Condition | Hot Rolled or Normalized |
Surface Finish | Mill Scale, Pickled, Shot Blasted |
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Our Advantages in Processing JSC270C

Advanced Thermomechanical Processing
MetalZenith utilizes controlled rolling and precise thermomechanical processing with real-time temperature monitoring to achieve optimal grain structure and enhanced mechanical properties. Our advanced processing ensures consistent strength, superior weldability, and excellent formability throughout the material thickness for structural applications.
Comprehensive Structural Testing
Our JSC270C steel undergoes extensive testing including weldability performance evaluation, forming capability assessment, fatigue strength testing, and atmospheric corrosion resistance analysis. MetalZenith's quality assurance ensures optimal performance in structural applications with superior joint integrity and long-term durability.


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 and fabricators to optimize material specifications for specific construction and engineering requirements.
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