Products Description
Product Specifications
| Standard | ASTM B337,or as customer's request |
| Steel Grades | Grade1 Grade 2/2H Grade3 Grade4 Grade5 Grade7/7H Grade 9 Grade10 Grade11 Grade12 Grade13 Grade14 Grade15 Grade16/16H Grade17 Grade18 Grade 19 Grade 20 Grade 21 Grade 22 Grade 23 Grade 24 Grade 25 Grade26/26H Grade27 Grade28 Grade29 Grade32 Grade33 Grade34 Grade35 Grade36 Grade37 Grade38 |
| Equivalent Standards | ISO 5832-2, ISO 5832-3, DIN 17860, JIS H4631 |
| Outer Diameter |
10mm×10mm–200mm×200mm(Square ) 20mm×10mm–250mm×150mm(Rectangular ) |
| Wall Thickness | 0.5mm-20mm |
| Length | Up to 6 m or customized |
| Surface Treatment | Pickled, polished |
| Production Process | Hot Extrusion, Cold Drawing |
| Condition | Annealed |
Titanium alloys are not only characterized by high strength and corrosion resistance but also possess the ability to withstand high temperatures; consequently, they are widely utilized in the structural fabrication of aircraft engine compressors, rockets, missiles, and high-speed aircraft, establishing themselves as a critical material within the aerospace sector.
Titanium square and rectangular tube exhibits exceptional high-temperature performance, boasting a melting point of up to 1668°C-a figure far exceeding that of common metallic materials such as stainless steel and aluminum alloys. As a result, they can maintain superior strength and hardness within the high-temperature and high-pressure environments characteristic of aerospace applications.
Furthermore, titanium alloys demonstrate excellent corrosion resistance when exposed to the atmosphere, seawater, and the various operational media encountered within aerospace working environments.
Customized Services
- We provide laser cutting services, with customizable tube dimensions and lengths.
- We offer mirror polishing treatments, achieving a surface roughness of Ra 0.05μm or less.
- We also provide custom logo branding and packaging services tailored to client requirements.
Chemical Composition
| Element | Ti (min) | O (max) | Fe (max) | C (max) | N (max) | H (max) | Mo | Ni |
| Grade 1 | Balance | 0.25% | 0.30% | 0.08% | 0.03% | 0.015% | – | – |
| Grade 12 | Balance | 0.10% | 0.25% | 0.08% | 0.03% | 0.015% | 0.30% | 0.25% |
Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
| Grade 1 | ≥ 240 | ≥ 170 | ≥ 24 | ~45 HRB |
| Grade 12 | ≥ 450 | ≥ 400 | ≥ 20 | ~80 HB |
Possible Alternative Grades
- 304 Stainless Steel: Offers good corrosion resistance in mild environments. It's less expensive than grade 1 titanium, but less effective in corrosive marine and chemical environments.
- Aluminum Alloys (6061, 7075): Lightweight and more cost-effective. 6061 offers good corrosion resistance, but not as good as grade 1 titanium in harsh environments.
- Super Duplex Stainless Steel (2507): Offers excellent strength and corrosion resistance in chloride-rich and high-temperature environments, similar to grade 12 titanium, but at a lower cost. However, it is heavier than grade 12 titanium.
application areas
- Widely utilized in major structural components of aircraft, such as fuselage frames and wing skeletons.
- Employed in various parts of aero-engines, including air intakes, combustion chambers, exhaust systems, and engine pylons.
- Titanium square and rectangular tubes possess high strength and toughness, making them suitable for use in aircraft landing gear.
Products Show
Testing Equipment
Factory Equipment
Pickling equipment
Products Package
FAQ
Q: How do you ensure that your products comply with the ASTM B337 standard?
A: Our tubing undergoes ultrasonic flaw detection, rigorous dimensional inspection, and mechanical property testing to ensure full compliance with the ASTM B337 standard specifications.
Q: Aside from the standard lengths, what are the minimum and maximum lengths available for custom orders?
A: In addition to the standard lengths of 3 meters, 4 meters, and 6 meters, we can produce lengths as short as 500 mm. For extra-long dimensions, detailed consultation regarding shipping and processing logistics is required; for custom lengths, the tolerance can be controlled within ±3 mm.
Q: What is the corrosion resistance of your titanium square and rectangular tubing?
A: Titanium alloys form a dense and stable oxide film on their surface. In the aerospace sector, this enables them to withstand high-humidity environments at high altitudes, as well as salt spray corrosion during flights over coastal regions, and corrosion from chemical substances such as aviation fuel and hydraulic fluids.
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