
GB/T 3624 TA0 TA1 TA2 TA1G TA2G Titanium Alloy Seamless Tubes
Introduction
The GB/T 3624 standard specifies the requirements for titanium alloy seamless tubes used for general purposes. These tubes are known for their excellent corrosion resistance, high strength-to-weight ratio, and ability to withstand extreme temperatures, making them suitable for various applications in industries such as aerospace, chemical processing, and medical devices.
Material
Titanium alloys are categorized based on their composition and properties. The grades TA0, TA1, TA2, TA1G, and TA2G represent different levels of purity and mechanical properties, which influence their suitability for specific applications.
Specification
The specifications outlined in GB/T 3624 cover dimensions, tolerances, and mechanical properties of the titanium alloy seamless tubes. These specifications ensure that the tubes meet the necessary performance criteria for their intended use.
Key Features
- Corrosion Resistance: Excellent resistance to a wide range of corrosive environments.
- Lightweight: Titanium alloys are significantly lighter than steel, making them ideal for weight-sensitive applications.
- High Strength: These alloys exhibit high tensile strength and yield strength.
- Temperature Resistance: Capable of maintaining mechanical properties at elevated temperatures.
Chemical Composition
Grade | Chemical Composition (wt%) |
TA0 | Ti ≥ 99.5 |
TA1 | Ti ≥ 99.2, O ≤ 0.25 |
TA2 | Ti ≥ 99.0, O ≤ 0.30 |
TA1G | Ti ≥ 99.2, O ≤ 0.25, Fe ≤ 0.15 |
TA2G | Ti ≥ 99.0, O ≤ 0.30, Fe ≤ 0.25 |
Mechanical Properties
Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
TA0 | ≥ 480 | ≥ 380 | ≥ 15 |
TA1 | ≥ 450 | ≥ 345 | ≥ 15 |
TA2 | ≥ 400 | ≥ 300 | ≥ 15 |
TA1G | ≥ 450 | ≥ 345 | ≥ 15 |
TA2G | ≥ 400 | ≥ 300 | ≥ 15 |
Steel Grade
The titanium alloy seamless tubes are categorized into different grades based on their chemical composition and mechanical properties. The grades TA0, TA1, TA2, TA1G, and TA2G are commonly used in various applications.
Application
Titanium alloy seamless tubes are utilized in a variety of industries, including:
- Aerospace: Components for aircraft and spacecraft due to their lightweight and strength.
- Chemical Processing: Equipment and piping systems that require corrosion resistance.
- Medical Devices: Implants and surgical instruments that benefit from biocompatibility and strength.
Possible Alternative Grades
While TA0, TA1, TA2, TA1G, and TA2G are widely used, alternative grades may also be considered based on specific requirements:
- Grade 5 (Ti-6Al-4V): Offers higher strength and is commonly used in aerospace applications.
- Grade 7 (Ti-0.2Pd): Provides enhanced corrosion resistance, particularly in chemical processing.





TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
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The company's production plant covers an area of over 10,000 square meters, with an annual production
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The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.





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