Titanium Grade 9 Plates | Ti‑3Al‑2.5V Medium-Strength, High-Uptime Plates for Process & Offshore Duty
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A gas‑condensate platform in Asia had already upgraded several seawater lines to commercially pure titanium, but the structural frames and brackets supporting a critical chemical injection skid still relied on painted carbon steel plates that corroded rapidly under spray, forcing unplanned shutdowns and repeated hot work. When the integrity team re‑designed those components in Titanium Grade 9 Plates (Ti‑3Al‑2.5V, UNS R56320), weight dropped by more than 40% compared with steel while minimum tensile strength around 620 MPa and yield strength near 483 MPa from ASTM B265 Grade 9 data gave far higher specific strength, and inspection records over multiple seasons showed clean, uncoated titanium surfaces in seawater splash zones with no measurable metal loss where carbon steel had previously required constant repair.
Titanium Grade 9 is the alpha‑beta alloy Ti‑3Al‑2.5V, sometimes called “half 6‑4” because it shares elements with Ti‑6Al‑4V but at lower levels, giving a medium‑strength alloy that is significantly stronger than CP titanium grades yet easier to cold form and weld than Grade 5. The alloy carries UNS designation R56320 and common material number 3.7195 or 3.7194, and plate, sheet and strip are covered under ASTM B265 / ASME SB‑265 Grade 9 as “titanium alloy (3.0% aluminium, 2.5% vanadium)” with minimum tensile strength of 620 MPa (90 ksi), minimum yield strength of 483 MPa (70 ksi) and minimum elongation of 15% listed in typical tables.
For procurement heads, corrosion and mechanical engineers, fabricators, OEMs and hardware or industrial supply stores working across chemical processing, oil & gas, marine, pharma and power generation, Titanium Grade 9 plates offer a practical balance: markedly higher strength than Grades 2–4, lower density than steels, and excellent resistance to seawater and many industrial environments. Sources note that Ti‑3Al‑2.5V retains the complete seawater resistance associated with commercially pure titanium, giving outstanding performance against general, crevice, pitting and stress‑corrosion cracking in marine atmospheres, cooling water and many chemical media when properly designed.
Aurico Alloys LLP can support these needs as an affordable, authentic Titanium Grade 9 Plates supplier, manufacturer and stockist in India with export capability abroad, supplying plate aligned with UNS R56320 / 3.7195 and ASTM B265 Grade 9 mechanical requirements together with EN 10204 certification for global projects.
High-quality Titanium Grade 9 Plates ready for industrial use.
Specification Overview
| Supplier & Role | Aurico Alloys LLP – Titanium Grade 9 Plates supplier, stockist, exporter in India to abroad |
|---|---|
| Alloy Description | Alpha‑beta titanium alloy Ti‑3Al‑2.5V (Grade 9), medium strength with excellent weldability and cold formability |
| UNS / Werkstoff / EN | UNS R56320, material numbers such as 3.7195 / 3.7194 for wrought products |
| Main Plate Standards | ASTM B265 / ASME SB‑265 Grade 9 for strip, sheet and plate; Grade 9 is defined in the specification as titanium alloy (3.0% Al, 2.5% V) |
| Thickness Range | 4.75 mm – 150 mm |
| Corrosion Focus | Excellent resistance in seawater and many industrial environments, including hydraulic fluids and process streams, with behaviour close to CP titanium in many aqueous services |
| Price | INR 5,000 – 20,000 per kg. Indicative USD 59 – 235 per kg; quoted against grade, form, size and quantity. |
UNS & Equivalent Grades
| Property | Value |
|---|---|
| UNS number | R56320 |
| Density | 4.48 g/cm3 |
| Melting range | 1650 °C |
| Modulus of elasticity | 15 × 10⁶ psi |
| Beta transus | 1715 °F (± 25 °F) |
| Thermal conductivity | 10 Btu/ft·h·°F |
| Coefficient of expansion (32-600 °F) | 5.5 µin/in·°F |
| Plate, sheet and strip specification | ASTM B265 / AMS 4989 |
Identifiers and physical constants for Titanium Grade 9. A dash means no such designation is published for this grade.
How Titanium Grade 9 Compares
| Alloy | Designation | Standards / Numbers | Key Characteristics |
|---|---|---|---|
| Titanium Grade 9 | Ti‑3Al‑2.5V | UNS R56320, 3.7195 / 3.7194, ASTM B265 Grade 9 | Medium‑strength alpha‑beta alloy with good weldability, excellent cold formability and seawater/chemical resistance |
| CP Titanium Grades 2–4 (comparison) | Grades 2–4 | UNS R50400 / R50550 / R50700, ASTM B265 Grades 2–4 | Excellent corrosion resistance with lower strength; Grade 9 offers 20–50% higher tensile properties than CP grades according to typical material data. |
| Titanium Grade 5 (comparison) | Ti‑6Al‑4V | UNS R56400, ASTM B265 Grade 5 | Higher strength but less cold formable and often more challenging to weld; Grade 9 is chosen where weldability and formability are more critical than maximum strength. |
Stock & Product Availability
As a Titanium Grade 9 Plates stockist, Aurico Alloys LLP can provide plate and sheet thicknesses suitable for brackets, base plates, structural panels, tube sheets, channel covers and equipment shells in chemical, oil & gas, marine, pharma and power projects, within the thickness and width ranges normally covered by ASTM B265 Grade 9 strip, sheet and plate. Plates are typically delivered in annealed condition for optimum balance of strength and formability, and services such as cut‑to‑size, profile cutting and edge preparation help fabricators and OEMs reduce machining time and optimize nesting.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | — | 0.08 |
| Oxygen (O) | — | 0.15 |
| Nitrogen (N) | — | 0.03 |
| Hydrogen (H) | — | 0.015 (product analysis - ingot analysis for all other elements) |
| Iron (Fe) | — | 0.25 |
| Aluminium (Al) | 2.5 | 3.5 |
| Vanadium (V) | 2.0 | 3.0 |
| Other elements (each) | — | 0.1 |
| Other elements (total) | — | 0.4 |
| Titanium (Ti) | — | Balance (determined by difference) |
Composition limits for Titanium Grade 9. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property (Room Temperature, Annealed Plate) | Typical Value – Titanium Grade 9 |
|---|---|
| Ultimate Tensile Strength | Minimum 620 MPa (90 ksi) per common Grade 9 tables; many datasheets quote ≈620–700 MPa |
| Yield Strength (0.2% offset) | Minimum 483 MPa (70 ksi) in ASTM B265 tables |
| Elongation | Approx. 11–17% in 50 mm gauge length according to material databases; 15% minimum in some strip/plate specifications |
| Modulus of Elasticity | ≈110 GPa (≈16 × 10³ ksi) |
| Thermal Conductivity | ≈8.1 W/m·K at room temperature |
| Coefficient of Thermal Expansion | ≈9.1 µm/m·K between 20–100 °C |
| Fatigue Strength | Representative ranges around 330–480 MPa depending on loading and surface finish in published data |
| Corrosion Behaviour | Described as exhibiting complete resistance to seawater, with excellent resistance to general, crevice, pitting and stress‑corrosion cracking similar to CP titanium in many conditions. |
Applications & Benefits
- Chemical & Oil & Gas: Titanium Grade 9 plates are used for structural panels, bracketry, tube sheets, channel covers and plate fabrications in contact with seawater, cooling water and many process fluids where stainless steels risk pitting or crevice attack and CP titanium lacks the desired strength margin.
- Marine & Power Generation: In marine hydraulic systems, offshore topside structures, cooling‑water boxes and lightweight power‑plant components, Ti‑3Al‑2.5V’s high strength‑to‑weight ratio and documented seawater resistance allow thinner sections and reduced mass compared with steels while maintaining long‑term integrity.
- Pharma & High‑Purity Systems: Grade 9 plate can be selected for higher‑strength supports, frames and covers in clean or corrosive environments where low contamination, good weldability and easy fabrication are important, complementing CP titanium in tanks and wetted equipment.
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Titanium Grade 9 Plates from Aurico Alloys LLP, supplied to UNS R56320 / 3.7195 chemistry limits and ASTM B265 Grade 9 mechanical requirements, give chemical, oil & gas, marine, pharma and power‑generation users a medium‑strength, weldable and seawater‑resistant titanium plate solution that outperforms many stainless steels and lower‑strength CP grades in weight‑critical, corrosion‑exposed service are your most important process, offshore and power assets still relying on heavier, less durable materials instead of optimised Titanium Grade 9 plates?