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Technical Specifications
Product Overview
Metallurgical Characteristics
Titanium Steel exhibits a stabilized austenitic microstructure with titanium carbide precipitates that prevent chromium carbide formation at grain boundaries. The titanium addition provides excellent resistance to intergranular corrosion and sensitization, while maintaining superior formability and weldability characteristics typical of 18-8 stainless steels.
Heat Treatment Process
MetalZenith employs solution annealing at 1040-1120°C followed by rapid cooling to achieve optimal carbide dissolution and titanium stabilization. Our controlled cooling process prevents harmful precipitate formation while ensuring complete austenite retention and maximum corrosion resistance.
Advanced Manufacturing Process
Our manufacturing process includes vacuum induction melting for superior cleanliness, controlled titanium addition for optimal stabilization, and precision hot rolling with controlled finishing temperatures. Post-processing includes solution annealing, descaling, and comprehensive passivation treatment to develop maximum corrosion resistance.
Specialized Quality Testing
MetalZenith conducts comprehensive testing including pitting potential measurement (>200mV vs SCE), intergranular corrosion testing per ASTM A262 Practice A, stress corrosion cracking evaluation in chloride environments, and passivation film thickness analysis. Additional testing includes sensitization resistance and carbide precipitation evaluation.
Application-Specific Technical Considerations
For chemical processing applications, Titanium Steel provides excellent resistance to nitric acid and organic acids. In food industry applications, the material meets FDA requirements with superior cleanability and bacterial resistance. Medical device applications benefit from biocompatibility and sterilization resistance. Marine applications utilize the enhanced chloride resistance, while architectural applications leverage the material's aesthetic durability and low maintenance requirements.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Chromium (Cr) | 17.0 - 20.0 |
| Nickel (Ni) | 9.0 - 12.0 |
| Titanium (Ti) | 5 × (C + N) - 0.70 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Nitrogen (N) | ≤ 0.10 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 205 |
| Tensile Strength (MPa) | 515 - 690 |
| Elongation (%) | ≥ 40 |
| Hardness (HRB) | ≤ 95 |
| Pitting Resistance (PREN) | ≥ 24 |
| Impact Energy at 20°C (J) | ≥ 120 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.93 |
| Melting Point (°C) | 1400 - 1450 |
| Thermal Conductivity (W/m·K) | 16.2 |
| Thermal Expansion (×10??/K) | 17.3 |
| Electrical Resistivity (μΩ·cm) | 72 |
| Elastic Modulus (GPa) | 200 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Sheets, Plates, Bars, Tubes, Coils, Wire |
| Thickness Range | 0.5 - 50mm |
| Width Range | 1000 - 2000mm |
| Length Range | 2000 - 6000mm |
| Standards Compliance | ASTM A240, AISI 321, EN 1.4541, JIS SUS321 |
| Surface Finish | 2B, BA, No.4, HL, Mirror |
| Heat Treatment Condition | Solution Annealed and Passivated |
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Our Advantages in Processing Titanium Steel
Advanced Vacuum Melting Technology
MetalZenith utilizes vacuum induction melting and electroslag remelting processes with precise titanium addition control to achieve optimal microstructural uniformity. Our advanced processing ensures complete titanium dissolution and carbide stabilization, resulting in superior intergranular corrosion resistance and enhanced mechanical properties.
Comprehensive Corrosion Testing Protocol
MetalZenith conducts extensive corrosion testing including pitting potential measurement (ASTM G150), intergranular corrosion testing (ASTM A262), stress corrosion cracking evaluation (ASTM G123), and passivation film thickness analysis using XPS. Our rigorous testing ensures optimal performance in aggressive chemical environments.
Specialized Processing & Technical Support
MetalZenith offers customized solution annealing, precision cold working, and specialized surface finishing services tailored to specific application requirements. Our metallurgical experts provide comprehensive technical support for material selection, fabrication guidelines, and corrosion prevention strategies.
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