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We have 20 years of industry experience, have partnered with over 1,000 brands, and support any customization needs.
Technical Specifications
Product Overview
Metallurgical Characteristics
High Strength Steel features a tempered martensitic microstructure achieved through controlled quenching and tempering processes. The optimized alloy composition with chromium, molybdenum, and vanadium provides enhanced hardenability and precipitation strengthening, resulting in superior strength-to-weight ratios and excellent toughness properties.
Heat Treatment Process
MetalZenith employs precise quenching from 900-950°C followed by tempering at 580-650°C with controlled cooling rates to achieve optimal mechanical properties. Our advanced heat treatment facilities ensure uniform temperature distribution and consistent microstructural development throughout the material cross-section.
Manufacturing Excellence
MetalZenith's manufacturing process incorporates vacuum degassing, electromagnetic stirring, and continuous casting technologies to minimize inclusions and ensure chemical homogeneity. Our controlled rolling and accelerated cooling systems optimize grain structure for enhanced strength and toughness properties.
Specialized Quality Testing
Comprehensive testing protocols include formability assessment through bend testing and hole expansion tests, weldability evaluation with thermal simulation, hydrogen-induced cracking resistance testing per NACE standards, and delayed fracture analysis under sustained loading conditions to ensure reliability in critical applications.
Application Engineering
For automotive applications, optimized strength and formability enable lightweighting strategies. In construction and bridge engineering, superior fatigue resistance and weldability ensure long-term structural integrity. For lifting equipment and pressure vessels, excellent toughness and stress corrosion resistance provide enhanced safety margins in demanding service conditions.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 - 0.21 |
| Manganese (Mn) | 0.80 - 1.50 |
| Silicon (Si) | 0.15 - 0.80 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 0.40 - 1.20 |
| Molybdenum (Mo) | 0.15 - 0.60 |
| Nickel (Ni) | 0.25 - 1.00 |
| Vanadium (V) | 0.03 - 0.08 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 690 - 890 |
| Tensile Strength (MPa) | 760 - 950 |
| Elongation (%) | ≥ 18 |
| Impact Energy at -40°C (J) | ≥ 34 |
| Fatigue Strength (MPa) | ≥ 310 |
| Hardness (HB) | 230 - 280 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 42.5 |
| Thermal Expansion (×10??/K) | 11.8 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Bars, Beams, Tubes, Forgings |
| Thickness Range | 3 - 150mm |
| Width Range | 1000 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | ASTM A514, ASTM A709, EN 10025-6, JIS G3106 |
| Heat Treatment Condition | Quenched and Tempered (Q&T) |
| Surface Finish | Hot Rolled, Pickled, Shot Blasted |
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Our Advantages in Processing High Strength Steel
Advanced Thermomechanical Processing
MetalZenith utilizes state-of-the-art TMCP technology with precise temperature control and controlled rolling schedules to achieve optimal grain refinement and precipitation strengthening. Our advanced processing ensures superior strength-to-weight ratios and enhanced fatigue performance critical for high-stress applications.
Comprehensive Performance Testing
MetalZenith conducts extensive testing protocols including formability assessment, weldability evaluation, hydrogen-induced cracking resistance testing, and delayed fracture analysis. Our rigorous quality assurance ensures consistent performance in demanding structural applications with full compliance to industry standards.
Custom Engineering Solutions
MetalZenith provides tailored processing solutions including custom heat treatment schedules, precision cutting, and application-specific forming services. Our technical team offers comprehensive support for material selection, design optimization, and processing recommendations to meet specific project requirements.
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