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Ti Gr.9

Ti Gr.9

The Gr.9 (TC2) alloy is a nearly α-type titanium alloy, which is often referred to as "semi-TC4". It has a higher temperature application range than Gr.1-4, making it suitable for processes such as argon arc welding, spot welding and seam welding.

Equivalent grades

• Ti Gr.9
• DIN 3.7195
• UNS R56320
• Ti 3Al-2.5V

Chemical Composition Reference


Physical Property Reference

• Tensile Strength: 620Mpa

• Yield Strength: 483 MPa

• Elongation: 15%

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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Ti Gr.9

Essential details
The Gr.9(TC2) alloy is a nearly α-type titanium alloy, usually called "semi-TC4". The application temperature is higher than that of Gr1-4, and it is suitable for argon arc welding, spot welding and seam welding. A near-α-type titanium alloy with medium strength and good plasticity, which contains 4% α-stable element Al and 1.5% β-stable element Mn. This alloy cannot be strengthened by heat treatment and is only used in the annealed state.

1.) Annealing: plates and plate parts: 660-710°C, 15-60min, air cooling or slower cooling; bars, forgings and pipes: 740-790°C, 1-2h, air cooling.

2.) Stress relief annealing, 545-585°C, 0.5-6h, air cooling or furnace cooling.

Gr.9(TC2) alloy has relatively satisfactory process plasticity, weldability and thermal stability. The long-term working temperature can reach 350°C, and the short-term working temperature is 750°C.

The plasticity of the process is good in the hot state, and complex parts can be made by hot stamping.


- Aviation industry

- Stamping

- Aircraft parts (accessories, engines, aircraft wings, etc.)

- Weldment

- Manufacturing

- Plate structural parts

- Catheter

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