Επισημαίνω:
The Gr9 (Ti-3Al-2.5V) Seamless Titanium Tube is a high-performance, precision-engineered component designed for demanding applications where strength, weight, and corrosion resistance are critical. Manufactured without any welded seams, it offers superior structural integrity and reliability.
Key Features & Advantages:
1. Exceptional Strength-to-Weight Ratio: Significantly lighter than steel with comparable strength, enabling weight savings and improved efficiency in moving structures.
2. Superior Corrosion Resistance: Excellent resistance to a wide range of corrosive environments, including seawater, chlorides, and many chemicals, ensuring long service life and reduced maintenance.
3. High Structural Integrity: The seamless manufacturing process eliminates weld seams, providing uniform grain structure, enhanced pressure capability, and improved fatigue resistance.
4. Good Weldability and Formability: Gr9 alloy offers favorable fabrication characteristics for complex system integrations.
5. Wide Service Temperature Range: Maintains performance in both cryogenic and moderately elevated temperature environments.
Primary Applications:
1. Aerospace: Hydraulic systems, fuel lines, airframe components, and engine parts.
2. Marine & Offshore: Heat exchangers, seawater piping systems, and subsea equipment.
3. Chemical Processing: Equipment for handling corrosive fluids and high-purity processes.
4. Medical: Surgical instruments and implants where biocompatibility is essential.
5. High-Performance Automotive: Exhaust systems and lightweight structural components.
Ideal for engineers seeking a reliable, lightweight, and durable tubing solution for critical fluid transfer and structural applications.
| Standard | ASTM B337, ASTM B338, ASTM B861, ASTM B862
|
| Grade | Gr1, Gr2, Gr7, Gr9, Gr12
|
| Dimension | OD*WT*L (10-114)*(0.4-10)*(100-15000)mm
|
| Manufacturing method | Cold rolled |
| Condition | Annealed(M)
|
| Features | Light weight, excellent corrosion resistivity, strongly heat-resistance, high strength.
|
| Inspection | Ultrasonic testing, Hydrostatic testing, Flattening testing, visual surface inspection, Dimensional inspection, tensile properties inspection and Chemical elements analysis. |
BASIC TENSION DATE
Grade | Tensile Strength, min | Yield Strengh 0.2% offset Yleld | Elongation in 2in or 50mm Min% |
Ksi | Mpa | Min | Max |
| Ksi | Mpa | Ksi | Mpa |
| 1 | 35 | 240 | 20 | 138 | 45 | 310 | 24 |
| 2 | 50 | 345 | 40 | 275 | 65 | 450 | 20 |
| 7 | 50 | 345 | 40 | 275 | 65 | 450 | 20 |
| 9A | 125 | 860 | 105 | 725 | / | / | 10 |
| 9B | 90 | 620 | 70 | 483 | / | / | 15c |
| 12 | 70 | 483 | 50 | 345 | / | / | 18c |
| A. Properties for cold-worked and stress-relieved B. Annealed. C. Solution treated |
Chemical Component og Material:
Grade1- Unalloyed titanium.
Grade2- Unalloyed titanium.
Grade7- Unalloyed titanium plus 0.12 to 0.25% palladium.
Grade9- Titanium alloy (3% aluminum, 235% vanadium.
Grade12- Titanium alloy (0.3% molybdenum, 0.8% nickel.
Size Tolerance:
| Standard | OD Tolerance | WT Tolerance |
ASTM B338 | ＜25.4mm, ±0.102mm | ±10% |
| 24.4-38.1mm ±0.127mm |
| 38.1-50.8mm ±0.152mm |
| 50.8-63.5mm ±0.178mm |
| 60.3-88.9mm ±0.254mm |
ASTM B861 | 3.2-3.8mm -0.794/+0.397mm | ±12.5% |
| 38-102mm ±0.794mm |
| 102-203mm 0.794/+1.588mm |
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