Titanium Alloy Square Tube
Titanium square tubes are used primarily to make compressor components for aircraft engines and, to a lesser extent, structural components for rockets, missiles and high-speed aircraft. By the mid-1960s, titanium square and round tubes had been used in general industry to manufacture electrodes for the electrolysis industry, condensers for power stations, heaters for oil refining and desalination, and pollution control devices. Titanium and its alloys have become a corrosion-resistant structural material. In addition, pure titanium tubes are used to produce hydrogen storage materials and shape memory alloys.
Industry-leading technology for the production of titanium pipe products
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CHEMICAL, PHYSICAL AND |
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CHEMICAL COMPOSITION |
ASTM Grade |
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(Max. Values) |
1 |
2 |
5 |
7 |
9 |
12 |
23 |
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N, Nitrogen |
0,03 |
0,03 |
0,05 |
0,03 |
0,02 |
0,03 |
0,03 |
|
C, Carbon |
0,1 |
0,1 |
0,1 |
0,1 |
0,05 |
0,08 |
0,08 |
|
H, Hydrogen |
0,015 |
0,015 |
0,0125 |
0,015 |
0,013 |
0,015 |
0,0125 |
|
Fe, Iron |
0,2 |
0,3 |
0,4 |
0,3 |
0,25 |
0,3 |
0,25 |
|
O, Oxygen |
0,18 |
0,25 |
0,20 |
0,25 |
0,12 |
0,25 |
0.13 |
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Pd, Palladium |
0,12-0,25 |
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Al, Aluminum |
5,5-6,75 |
2,5-3,5 |
5,5-6.5 |
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Mo, Molybdenum |
0,2-0,4 |
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V, Vanadium |
3,5-4,5 |
2,0-3,0 |
3,5-4,5 |
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Ni, Nickel |
0,6-0,9 |
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Ti, Titanium |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
Bal. |
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MECHANICAL PROPERTIES |
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Tensile strength, min (Mpa) |
240,00 |
345,00 |
895,00 |
345,00 |
620,00 |
483,00 |
828,00 |
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Yield strength, 0,2% Offset, |
170,00 |
275,00 |
825,00 |
275,00 |
483,00 |
345,00 |
759,00 |
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Elongation (in 4D, min, %) |
24,00 |
20,00 |
10,00 |
20,00 |
15,00 |
18,00 |
10,00 |
|
Reduction of Area, min, % |
30,00 |
30,00 |
25,00 |
30,00 |
25,00 |
25,00 |
15,00 |
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Hardness * Interpolated |
Rb70 |
Rb80 |
Rc36 |
Rb80 |
Rc28 |
Rc17* |
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Available Specifications for Titanium Square Tubes
Standard Square Tube Dimensions
| Outside Dimensions (A × A) | Wall Thickness Range | Corner Radius | Typical Applications |
|---|---|---|---|
| 10 × 10 mm | 1.0 – 2.0 mm | 1.5 – 2.5 mm | Instrumentation, small frames |
| 15 × 15 mm | 1.0 – 2.5 mm | 2.0 – 3.0 mm | Light structures, railings |
| 20 × 20 mm | 1.5 – 3.0 mm | 2.5 – 3.5 mm | General framing, furniture |
| 25 × 25 mm | 1.5 – 3.5 mm | 3.0 – 4.0 mm | Architectural, handrails |
| 30 × 30 mm | 2.0 – 4.0 mm | 3.5 – 5.0 mm | Structural frameworks |
| 40 × 40 mm | 2.0 – 5.0 mm | 4.0 – 6.0 mm | Load-bearing structures |
| 50 × 50 mm | 2.5 – 6.0 mm | 5.0 – 7.5 mm | Heavy frameworks, columns |
| 60 × 60 mm | 3.0 – 8.0 mm | 6.0 – 9.0 mm | Industrial structures |
| 80 × 80 mm | 4.0 – 10.0 mm | 8.0 – 12.0 mm | Heavy duty applications |
| 100 × 100 mm | 5.0 – 12.0 mm | 10.0 – 15.0 mm | Large structures, columns |
Rectangular Tube Dimensions (A × B)
| Outside Dimensions (A × B) | Wall Thickness Range | Corner Radius | Typical Applications |
|---|---|---|---|
| 20 × 10 mm | 1.0 – 2.5 mm | 2.0 – 3.0 mm | Light frames, trim |
| 30 × 15 mm | 1.5 – 3.0 mm | 2.5 – 3.5 mm | Architectural details |
| 40 × 20 mm | 1.5 – 3.5 mm | 3.0 – 4.0 mm | Railings, supports |
| 50 × 25 mm | 2.0 – 4.0 mm | 3.5 – 5.0 mm | Structural members |
| 60 × 30 mm | 2.0 – 5.0 mm | 4.0 – 6.0 mm | Framework components |
| 80 × 40 mm | 2.5 – 6.0 mm | 5.0 – 7.5 mm | Heavy duty frames |
| 100 × 50 mm | 3.0 – 8.0 mm | 6.0 – 9.0 mm | Industrial structures |
| 120 × 60 mm | 4.0 – 10.0 mm | 8.0 – 12.0 mm | Large frameworks |
| 150 × 50 mm | 5.0 – 12.0 mm | 10.0 – 15.0 mm | Special applications |
Standard Lengths
| Length Type | Range | Tolerance |
|---|---|---|
| Random Lengths | 3000 – 6000 mm | As manufactured |
| Fixed Lengths | Custom (1000 – 12000 mm) | +5 mm / -0 mm |
| Pre-cut | As specified | ±1 mm (precision cutting) |
Dimensional Tolerances
| Parameter | Precision Grade | Commercial Grade |
|---|---|---|
| Outside Dimensions (A, B) | ±0.25 mm | ±0.50 mm |
| Wall Thickness | ±5% | ±10% |
| Corner Radius | ±0.5 mm | ±1.0 mm |
| Straightness | 0.5 mm/m | 1.0 mm/m |
| Twist | 1° per meter | 2° per meter |
| Squareness of Sides | 90° ± 1° | 90° ± 2° |
| Cut Squareness | 0.5 mm | 1.0 mm |
Titanium Alloy Square Tube vs Round Tube
Compared to round tubes, titanium alloy square tubes offer several distinct advantages for structural and architectural applications. The flat surfaces of square tubes enable much easier joining, welding, and fastening-allowing for simple butt joints, flush connections, and straightforward attachment of brackets and fittings without complex curved interfaces. Square tubes provide superior torsional resistance and equal strength in both axes, making them ideal for space frames, trusses, and frameworks where loads come from multiple directions. Their flat sides allow for clean, modern aesthetics in exposed architectural applications such as handrails, facades, and furniture, while also enabling efficient stacking for storage and transport. Additionally, square tubes simplify the mounting of components like solar panels, signage, and cladding systems, as flat surfaces accommodate direct bolting or adhesive bonding without special adapters. For applications requiring both structural performance and design flexibility, titanium square tubes deliver advantages that round tubes cannot match.
Large-scale factory production
Titanium square Tubes according to ASTM B338/861/862 are available from our factory which has a high performance in the quality control system. Square Structural tubing is relatively low in cost, has a high strength-to-weight ratio, and is easily welded, formed, punched, and drilled. Its hollow shape protects and conceals wires, pipes, moving parts, etc.; and it can be left exposed.
Customer visits
Why us
1. Excellent workers
2. Strict Quality Control
3. Top quality products
4. Innovative design team
5. Fastest lead time
6. The most rapid reply
7. Customized to meet your unique specs
8. Factory visit warmly welcomed
9. Convenient transportation
Our Services
1. We can reply to your question within 24 hours (including holidays).
2.10 years of CNC machining experience.
3. OEM, ODM are welcome, All can be customized
4. Protection of your personal design and all your private information.
5. Sample products will be provided.
6. Welcome to visit.
7. After-service.
8. In production and after delivery, we will track on time and tell your goods situation.
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