Grade 9 Seamless Titanium Tube - Ti-3Al-2.5V Alloy from China Suppliers and Factory for Aerospace & Sports Equipment
Specifications
Product Name |
Grade 9 Seamless Titanium Tube |
Grades |
Gr9 Ti-3Al-2.5V |
Dimensions & Specifications |
OD (Φ6–Φ120mm) × WTH (0.1–20mm) × L (mm), and more sizes are allowed to be customized. |
Standards |
ASTM B338-2017（24）、ASTM B861-24、ASTM B862-23、GB/T3624-2023、GB/T3625-2007、ΓOCT21945-82、ΓOCT22897-86、ΓOCT24890-81、JIS H4631-2018、DIN17861-1990、DIN17866-1990 |
Example Applications |
Chemical industry, marine engineering, heat exchangers, firewater systems, ballast water systems, oil and gas industry, seawater desalination plants, and power stations. |
Frequently Asked Questions
Q
What is Grade 9 (Gr9) Seamless Titanium Tube, and how does it differ from other titanium grades?
Grade 9 titanium tube, also known as Ti-3Al-2.5V, is an alpha-beta titanium alloy containing 3% aluminum and 2.5% vanadium. Compared to commercially pure titanium grades (Gr1–Gr4), Gr9 offers significantly higher strength while maintaining good corrosion resistance and weldability, making it ideal for demanding structural and industrial applications.
Q
What dimensional range is available for Grade 9 Seamless Titanium Tubes?
The standard dimensional range covers an outer diameter (OD) from Φ6mm to Φ120mm, wall thickness (WTH) from 0.1mm to 20mm, with custom lengths available. Additional sizes beyond these ranges can also be customized to meet specific project requirements.
Q
Which international standards does the Grade 9 Seamless Titanium Tube comply with?
The tubes comply with a wide range of international standards including ASTM B338, ASTM B861, ASTM B862 (USA), GB/T3624 and GB/T3625 (China), ΓOCT standards (Russia), JIS H4631 (Japan), and DIN17861 and DIN17866 (Germany), ensuring global acceptance for industrial procurement.
Q
What industries and applications are Grade 9 Seamless Titanium Tubes best suited for?
Grade 9 seamless titanium tubes are widely used in the chemical industry, marine engineering, heat exchangers, firewater systems, ballast water systems, oil and gas industry, seawater desalination plants, and power stations — environments that demand high strength, corrosion resistance, and long service life.
Q
Why is Grade 9 titanium preferred over stainless steel in marine and chemical applications?
Grade 9 titanium offers superior corrosion resistance in chloride-rich and acidic environments where stainless steel is prone to pitting and crevice corrosion. Its high strength-to-weight ratio also reduces overall system weight, and its long service life lowers total lifecycle costs in demanding marine and chemical environments.
Q
Can Grade 9 Seamless Titanium Tubes be customized for special project requirements?
Yes. Beyond the standard dimensional range, custom OD, wall thickness, and length specifications are available upon request. Special surface treatments, end conditions, and compliance with project-specific standards can also be arranged to meet unique engineering or procurement needs.