Grade 9 Titanium Tubes (Ti-3Al-2.5V) from TSM Technology are widely used for high-performance bicycle frames due to their excellent strength-to-weight ratio, fatigue resistance, and formability. They combine the strength of titanium alloys with good cold workability, making them ideal for lightweight structural tubing. We supported Water pressure test, UT test, X-ray test, Eddy current test, flaring and flattening test.
Grade 9(3Al-2.5V) titanium is an alloy consisting of 3% aluminum, 2.5% vanadium, and 94.5% pure titanium. The properties critical to bicycle tubing are best served by a high-quality 3-2.5 seamless tube. Excellent fatigue life, property consistency, formability, and corrosion resistance of Grade 9(3Al-2.5V) Titanium tube for bike frame are but a few of the reasons 3-2.5 is still the premier frame material.
Product Introduction
|
Name |
Grade 9 (3Al-2.5V)Titanium Tube For Bike Frame |
|
Specifications |
ASTM B-338, ASME |
|
Tubes Size |
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
|
Type |
Seamless / ERW / Welded / Fabricated / LSAW Tubes |
|
Form |
Round, Square, Rectangular, Hydraulic, Etc |
|
Length |
Single Random, Double Random & Cut Length. |
|
End |
Plain End, Beveled End, Threaded |
Technical Specifications & Data
Chemical Composition (%)
| Element | Ti | Al | V | Fe | O | C | N | H |
|---|---|---|---|---|---|---|---|---|
| Content | Balance | 2.5 - 3.5 | 2.0 - 3.0 | ≤ 0.25 | ≤ 0.12 | ≤ 0.10 | ≤ 0.02 | ≤ 0.013 |
Mechanical Properties
|
Ultimate strength |
Yield strength |
|||
|
ksi |
MPa |
ksi |
MPa |
|
|
Annealed |
90 |
621 |
70 |
485 |
| Cold Worked & Stress Relieved (CWSR) |
125 |
862 |
105 |
724 |
Key Advantages for Bicycle Manufacturing
| Advantage | Description |
|---|---|
| Superior Strength-to-Weight Ratio | Offers higher strength than pure titanium grades, allowing for thinner-walled tubes and a lighter overall frame without sacrificing durability. |
| Excellent Fatigue Life | Withstands repetitive stress cycles far better than many alternatives, ensuring long-term frame integrity and rider safety. |
| Outstanding Formability | Can be cold-worked and bent on a tight radius (as low as 3x tube diameter), enabling complex and innovative frame geometries. |
| Premier Ride Quality | The unique flex characteristics of Ti-3Al-2.5V absorb road vibrations, reducing rider fatigue and providing a comfortable, yet responsive feel. |
Quality Assurance
We ensure every tube meets the highest standards of performance and safety through a battery of tests:
- Non-Destructive Testing: Eddy Current Test, Ultrasonic Test (UT), X-ray Test.
- Dimensional & Mechanical Tests: Flaring Test, Flattening Test.
- Pressure Integrity: Water Pressure Test.
- Certification: Material Test Certificates (MTC) provided.
Product feature and application:
Bicycle frames are commonly manufactured using 3-2.5 certified to either an ASTM B-338 or a sports grade specification. ASTM B-338 meets all Aerospace Material Specifications for hydraulic tubing. Sports grade, certified according to a less stringent set of chemical and mechanical specifications, is typically less expensive.
Grade 9 (3Al-2.5V)Titanium Tube For Bike Frame tubing can be bent at room temperature using standard bend techniques. It is routinely bent on a radius of three times the actual tube diameter. Moreover, thin-walled tubing requires adequate support of the ID during bending. Because of the high strength and low modulus of this alloy, springbuck is about twice that of stainless steel.
The Grade 9(3Al-2.5V) Titanium Tube For Bike Frame alloy is characterized by
1. Excellent resistance to seawater corrosion
2. Highest mechanical strength
3. Excellent strength-to-weight ratio
4 .Resistant to stress corrosion cracking in chloride and sour gas environments
5. Excellent resistance to pitting, crevice and erosion corrosion
6. Good formability and weldability
7. Very low thermal expansion
8. Excellent fatigue properties from FASTWELL's proprietary processing that also controls crystal texture
Why Choose Our Grade 9 Titanium Tubes?
Optimized for Bicycles
Our tubing is produced with the specific demands of bicycle frame fabrication in mind, ensuring consistent properties and formability.
Aerospace Heritage
The alloy and seamless tube technology are derived from aerospace applications, guaranteeing supreme reliability.
Superior Corrosion Resistance
Highly resistant to atmospheric and environmental corrosion, ensuring your frame remains pristine for years with minimal maintenance.
Proven Weldability
Allows for clean, strong TIG welds, which are crucial for constructing durable and aesthetically pleasing frame joints.
More information on Grade 9 (3Al-2.5V)Titanium Tube For Bike Frame, and want to get more information about titanium products, you can send an email to info@tsm-titanium.com.
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