Gr.7 Titanium Sheet - Corrosion Resistant Titanium Palladium Alloy Sheet with Lightweight and High Strength for Marine and Chemical Use
Gr.7 Sheets Corrosion Resistant Titanium Sheet Marine Chemical Use Lightweight High Strength
Product Description – Gr.7 Sheets Titanium Palladium Alloy Sheet
Gr.7 Sheets are palladium-stabilized titanium alloy sheets engineered for demanding applications where resistance to aggressive chemical media is essential. The controlled addition of palladium significantly enhances the material’s resistance to reducing acids, including sulfuric and hydrochloric acid, while also improving its ability to withstand crevice corrosion and localized attack in chloride-containing environments. This makes Gr.7 Sheets particularly suitable for industrial operations exposed to mixed chemical conditions and high humidity.
In practical applications, Gr.7 Sheets retain the inherent benefits of commercially pure titanium, including low density, high strength, and excellent fabrication adaptability. These sheets can be formed, cut, and welded with consistency, allowing efficient integration into lining systems, fabricated equipment, and structural components. Their stable behavior under both oxidizing and reducing conditions ensures dependable performance across variable process environments.
Gr.7 Sheets are widely applied in chemical processing systems, desalination units, and environmental protection equipment, especially in regions such as Southeast Asia, the Middle East, and coastal industrial zones where chloride exposure is significant. Their resistance to pitting corrosion and stress corrosion cracking contributes to extended service life and reduced maintenance requirements. For applications requiring a balance of corrosion resistance, fabrication flexibility, and long-term operational stability, Gr.7 Sheets offer a reliable and technically proven material solution.
Gr.7 Sheets Specification Table – Dimensions & Standards
| Parameter | Value |
|---|---|
| Thickness | 0.3 mm – 6 mm |
| Width | 1000 mm – 2000 mm |
| Length | 2000 mm – 6000 mm |
| Surface | Pickled, Bright, Polished |
| Form | Cold Rolled / Hot Rolled |
| Standards | ASTM B265, ASME SB265 |
Gr.7 Sheets Chemical Composition (Titanium Grade 7)
| Element | Content (%) |
|---|---|
| Titanium (Ti) | Balance |
| Palladium (Pd) | 0.12 – 0.25 |
| Iron (Fe) | ≤ 0.30 |
| Oxygen (O) | ≤ 0.25 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.03 |
| Hydrogen (H) | ≤ 0.015 |
Gr.7 Sheets Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 345 MPa |
| Yield Strength | ≥ 275 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 160 HB |
Gr.7 Sheets Physical Properties
| Property | Value |
|---|---|
| Density | 4.51 g/cm³ |
| Melting Point | 1660°C |
| Thermal Conductivity | 16.4 W/m·K |
| Elastic Modulus | 105 GPa |
| Electrical Resistivity | 0.56 µΩ·m |
Gr.7 Sheets Key Advantages – Titanium Pd Alloy Sheet Performance
- Strong resistance to reducing acids and mixed chemical exposure
- Enhanced protection against crevice and pitting corrosion
- Lightweight with high structural strength
- Stable performance in chloride-rich environments
- Excellent formability and weldability for fabrication
- Long service life with reduced maintenance cycles
Gr.7 Sheets Applications – Titanium Grade 7 Sheet Uses
Gr.7 Sheets for Chemical Processing Linings
Used in tanks, reactors, and acid-resistant lining systems
Gr.7 Sheets in Desalination and Water Treatment
Applied in evaporators, brine systems, and seawater handling equipment
Gr.7 Sheets for Marine and Coastal Engineering
Suitable for structures exposed to saltwater and humid environments
Gr.7 Sheets in Environmental Protection Equipment
Used in flue gas desulfurization systems and scrubbers
Gr.7 Sheets for Oil and Gas Industry
Applied in corrosive fluid containment and processing systems
Gr.7 Sheets Frequently Asked Questions (FAQ)
What distinguishes Gr.7 Sheets from other titanium sheets?
The addition of palladium significantly improves corrosion resistance in reducing acid environments.
Are Gr.7 Sheets suitable for chloride exposure?
Yes, they perform well in seawater and chloride-rich industrial conditions.
Can Gr.7 Sheets be easily fabricated?
Yes, they offer excellent formability, welding performance, and machining capability.
Where are Gr.7 Sheets commonly used?
They are widely used in chemical processing, marine engineering, desalination, and environmental systems.
Do Gr.7 Sheets resist localized corrosion?
Yes, they provide strong resistance to pitting and crevice corrosion.
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