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Technical Specifications
Product Overview
Metallurgical Characteristics
High Performance Steel features a refined tempered martensitic microstructure achieved through controlled quenching and tempering processes. The optimized alloy composition with chromium, molybdenum, and boron additions provides exceptional hardenability and strength while maintaining good toughness and weldability. The fine-grained microstructure ensures superior fatigue resistance and impact properties.
Heat Treatment Process
MetalZenith employs precision-controlled quenching at 900-950°C followed by tempering at 580-650°C to achieve optimal mechanical properties. Our advanced heat treatment facilities ensure uniform heating, controlled cooling rates, and precise temperature monitoring throughout the process, resulting in consistent properties across the entire material cross-section.
Manufacturing Excellence
MetalZenith's state-of-the-art production facilities utilize electric arc furnace steelmaking with secondary refining, continuous casting, and thermomechanical controlled processing. Our advanced quality control systems monitor chemical composition, mechanical properties, and microstructural characteristics at every stage of production.
Specialized Quality Testing
Our comprehensive testing protocols include formability assessment through bend testing and hole expansion tests, weldability evaluation with controlled thermal severity testing, hydrogen-induced cracking resistance testing per NACE TM0284, and delayed fracture analysis under sustained loading conditions. These specialized tests ensure optimal performance in high-strength applications.
Application-Specific Considerations
For automotive applications, our High Performance Steel offers excellent crash energy absorption and weight reduction potential. In building construction, the high strength-to-weight ratio enables lighter structural designs with enhanced seismic resistance. Bridge engineering benefits from superior fatigue resistance and long-term durability. Heavy lifting equipment applications leverage the exceptional yield strength and impact toughness, while pressure vessel applications benefit from the superior through-thickness properties and hydrogen resistance.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 - 0.21 |
| Manganese (Mn) | 1.10 - 1.50 |
| Silicon (Si) | 0.20 - 0.80 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 0.40 - 0.65 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Boron (B) | 0.0005 - 0.006 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 690 |
| Tensile Strength (MPa) | 760 - 895 |
| Elongation (%) | ≥ 16 |
| 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) | 42.7 |
| Thermal Expansion (×10??/K) | 12.5 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Bars, Structural Sections, Forgings |
| Thickness Range | 8 - 150mm |
| Width Range | 1200 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | ASTM A514, EN 10025-6, JIS G3106 |
| Heat Treatment Condition | Quenched and Tempered or TMCP |
| Surface Finish | Hot Rolled, Pickled, Shot Blasted |
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Our Advantages in Processing High Performance Steel
Advanced Thermomechanical Processing
MetalZenith utilizes state-of-the-art TMCP technology with precise temperature control and optimized cooling rates to achieve exceptional grain refinement and superior mechanical properties. Our advanced processing ensures consistent high strength and enhanced fatigue resistance throughout the material cross-section.
Comprehensive High-Strength Testing
MetalZenith conducts specialized testing protocols including formability assessment, weldability evaluation, hydrogen-induced cracking resistance testing, and delayed fracture analysis. Our comprehensive quality assurance ensures optimal performance in demanding high-strength applications.
Custom Engineering Solutions
MetalZenith provides tailored processing solutions including custom heat treatment, precision cutting, and application-specific property optimization. Our technical team offers comprehensive support for high-strength steel applications in automotive, construction, and heavy industry sectors.
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