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Technical Specifications
Product Overview
Metallurgical Characteristics
DP1000 features a sophisticated dual-phase microstructure consisting of approximately 70-80% soft ferrite matrix with 20-30% hard martensite islands. This unique microstructural arrangement provides exceptional work hardening capability and continuous yielding behavior, essential for complex forming operations in structural applications. The fine-grained ferrite matrix ensures excellent ductility while the dispersed martensite islands contribute to high strength and enhanced strain hardening.
Heat Treatment Process
MetalZenith employs controlled intercritical annealing at 750-820°C followed by rapid cooling to achieve optimal dual-phase microstructure. Our continuous annealing line features precise temperature control and controlled cooling rates to ensure consistent martensite volume fraction and uniform mechanical properties throughout the coil length.
Advanced Manufacturing Process
Our state-of-the-art production facility utilizes hot rolling followed by controlled cooling and continuous annealing processes. MetalZenith's advanced process control systems monitor chemical composition, rolling parameters, and thermal treatment conditions to ensure consistent dual-phase microstructure development and optimal mechanical property balance.
Specialized Quality Testing
DP1000 undergoes comprehensive testing including resistance spot welding evaluation, hole expansion testing for formability assessment, fatigue crack propagation analysis, and accelerated corrosion testing. Our quality assurance program includes microstructural analysis using optical and electron microscopy to verify dual-phase morphology and ensure consistent performance in structural applications.
Structural Application Engineering
For building construction, DP1000's high strength enables reduced section thickness while maintaining structural integrity. In bridge engineering, the excellent fatigue resistance supports long-term durability under cyclic loading. Automotive applications benefit from superior crash energy absorption and weight reduction. Machinery manufacturing utilizes the enhanced formability for complex component geometries, while general engineering applications leverage the optimal strength-ductility balance for versatile structural solutions.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.06 - 0.15 |
| Manganese (Mn) | 1.20 - 2.50 |
| Silicon (Si) | 0.10 - 0.80 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.015 |
| Aluminum (Al) | 0.020 - 0.070 |
| Chromium (Cr) | 0.10 - 0.50 |
| Molybdenum (Mo) | 0.05 - 0.25 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 700 - 850 |
| Tensile Strength (MPa) | ≥ 1000 |
| Elongation (%) | ≥ 12 |
| Impact Energy at 20°C (J) | ≥ 40 |
| Hardness (HV) | 300 - 380 |
| Fatigue Strength (MPa) | 450 - 550 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 48.5 |
| Thermal Expansion (×10??/K) | 11.8 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.28 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Sheets, Coils, Plates, Strips, Cut-to-Length |
| Thickness Range | 0.8 - 8.0mm |
| Width Range | 600 - 2100mm |
| Length Range | 1000 - 6000mm |
| Standards Compliance | ASTM A1011, EN 10338, JIS G3135 |
| Surface Finish | Hot Rolled, Cold Rolled, Galvanized |
| Heat Treatment Condition | Continuous Annealed, Dual Phase |
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Our Advantages in Processing DP1000 Steel
Advanced Dual-Phase Microstructure Control
MetalZenith utilizes precision intercritical annealing with controlled cooling rates to achieve optimal ferrite-martensite dual-phase microstructure. Our advanced thermal processing ensures consistent strength distribution and enhanced work hardening characteristics throughout the material thickness.
Comprehensive Structural Performance Testing
Our DP1000 steel undergoes extensive testing including welding performance evaluation, cold forming assessments, fatigue strength analysis, and atmospheric corrosion resistance testing. MetalZenith's quality assurance ensures optimal performance in demanding structural applications.
Custom Processing & Engineering Support
MetalZenith provides tailored processing solutions including precision cutting, forming, and heat treatment services. Our technical team offers comprehensive engineering support for structural design optimization and application-specific material modifications.
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