GR9 (Ti-3Al-2.5V) is a commonly used titanium alloy pipe with welding performance and high temperature resistance. Pure titanium pipes of GR1 and GR2 have 20% to 50% higher corrosion resistance and are better than pure titanium pipes. Higher strength and better formability.
1.Chemical and mechanical composition
| Specific dimension for cold-rilled tubes & pipes: | ||||||
| OD(mm) | 8.0-10.0 | 10.0-15.0 | 15.0-20.0 | 20.0-25.0 | 25.0-30.0 | 30.0-35.0 |
| WT(mm) | 0.15-2.0 | 0.2-2.0 | 0.4-2.7 | 0.45-3.2 | 0.45-3.3 | 0.45-3.4 |
| OD(mm) | 35.0-40.0 | 41.0-45.0 | 46.0-50.0 | 51.0-55.0 | 56.0-60.0 | 61.0-65.0 |
| WT(mm) | 0.5-3.5 | 0.6-3.8 | 0.6-3.8 | 0.6-4.4 | 0.8-4.6 | 0.9-4.7 |
| OD(mm) | 66.0-70.0> | 71.0-75.0> | 76.0-95.0 | 96.0-114.0 | ||
| WT(mm) | 1.0-4.9 | 1.2-6.0> | 1.2-7.1 | 1.3-7.5 | ||
| Chemical composition, %, max. | |||||||
| C | Fe. | H | N | O | AL. | V. | Ti |
| 0.08 | 0.25 | 0.015 | 0.03 | 0.15 | 2.5~3.5 | 2.0~3.0 | Remained |
| Mechanical properties | |||
| Tensile strength
min MPa |
Yield strength, 0.2% deflection, min, MPa | Breakthrough elongation, % | Hardness |
| 620 MPa. | 483 MPa.. | 15 | 160-200 HP. |
- Application areas:
- Aerospace: Aerospace components made from Grade 9 titanium tubes, such as hydraulic systems, fuel and exhaust pipes, are often not only lighter in weight but also stronger.
- Bicycle Industry: In high-end bicycle manufacturing, Grade 9 titanium tubes are used in the manufacture of frames and handlebars.
- Ocean engineering: The corrosion-resistant properties of Grade 9 titanium tubes make it suitable for various applications in seawater environments, such as marine structures and equipment, diving equipment, etc.
- Chemical Processing: Grade 9 titanium tubing is an ideal choice in chemical processing equipment where corrosion resistance and high strength are required.
- Specifications and customization:
Grade 9 titanium pipes usually come in regular specifications, but our company can also provide a variety of specifications according to customer needs, including different diameters, wall thicknesses and lengths. Products under different standards (such as ASTM B338, ASTM B861, etc.) and special requirements (such as surface treatment, heat treatment) can be provided on demand.
