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Technical Specifications
Product Overview
Metallurgical Characteristics
Tungsten Steel features a tempered martensitic microstructure with fine tungsten carbide precipitates distributed throughout the steel matrix. The controlled addition of tungsten enhances hardenability and provides exceptional strength retention at elevated temperatures. The microstructure exhibits refined grain boundaries and optimized carbide distribution, resulting in superior mechanical properties and structural integrity.
Heat Treatment Process
MetalZenith employs controlled austenitizing at 920-960°C followed by oil or water quenching and tempering at 580-650°C. This precise heat treatment cycle ensures optimal hardness-toughness balance while maintaining excellent weldability and formability characteristics essential for structural applications.
Manufacturing Excellence
Our advanced manufacturing process includes vacuum induction melting for superior cleanliness, controlled rolling for optimal grain structure, and precision heat treatment with computerized temperature control. Quality assurance includes ultrasonic testing, magnetic particle inspection, and comprehensive mechanical property verification.
Structural Performance Testing
MetalZenith conducts specialized testing for structural applications including welding procedure qualification, forming limit analysis, fatigue testing under variable amplitude loading, and accelerated atmospheric corrosion testing. These comprehensive evaluations ensure optimal performance in building construction, bridge engineering, and heavy machinery applications.
Application Engineering
For building construction applications, our Tungsten Steel provides exceptional load-bearing capacity and seismic resistance. In bridge engineering, the superior fatigue strength ensures long-term structural integrity under dynamic loading. For machinery manufacturing and vehicle construction, the combination of high strength and excellent formability enables complex structural designs while maintaining safety margins in critical applications.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 - 0.25 |
| Manganese (Mn) | 1.20 - 1.80 |
| Silicon (Si) | 0.20 - 0.60 |
| Phosphorus (P) | ≤ 0.020 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 0.50 - 1.20 |
| Tungsten (W) | 0.80 - 1.50 |
| Molybdenum (Mo) | 0.15 - 0.40 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 690 |
| Tensile Strength (MPa) | 760 - 950 |
| Elongation (%) | ≥ 18 |
| Impact Energy at -20°C (J) | ≥ 35 |
| Hardness (HB) | 220 - 280 |
| Fatigue Strength (MPa) | ≥ 380 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.95 |
| Melting Point (°C) | 1520 - 1560 |
| Thermal Conductivity (W/m·K) | 42.8 |
| Thermal Expansion (×10??/K) | 11.8 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.28 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Beams, Channels, Angles, Bars, Forgings |
| Thickness Range | 8 - 150mm |
| Width Range | 1200 - 3500mm |
| Length Range | 6000 - 15000mm |
| Standards Compliance | ASTM A514, ASTM A709, AWS D1.1, EN 10025 |
| Heat Treatment Condition | Quenched and Tempered |
| Surface Finish | Hot Rolled, Pickled, Shot Blasted |
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Our Advantages in Processing Tungsten Steel
Advanced Tungsten Alloying Technology
MetalZenith utilizes precision vacuum melting and controlled tungsten addition processes to achieve optimal microstructural properties. Our advanced alloying technology ensures uniform tungsten distribution throughout the steel matrix, delivering superior strength-to-weight ratios and enhanced structural performance.
Comprehensive Structural Testing
Our Tungsten Steel undergoes extensive structural performance testing including welding qualification tests, forming capability assessments, fatigue strength evaluation under cyclic loading, and atmospheric corrosion resistance testing. This comprehensive testing ensures optimal performance in demanding structural applications.
Custom Structural Solutions
MetalZenith provides tailored structural steel solutions with custom heat treatment, precision cutting, and fabrication services. Our engineering team offers technical support for structural design optimization, welding procedures, and application-specific processing to meet unique project requirements.
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