Seamless titanium tubes are widely used in industrial fields due to their excellent corrosion resistance, high strength and light weight.
Mainly including chemical equipment, such as heat exchangers, reactor piping; marine engineering, such as seawater desalination systems, ship components; energy industry, such as nuclear power condensate pipe, oil and gas mining high-pressure piping; automobile manufacturing high-performance exhaust system and power environmental protection, such as flue gas desulphurization equipment.
Commonly used materials such as industrial pure titanium Gr2 and titanium alloy Gr5, in the strong corrosion, high pressure and high temperature and other harsh environments can replace the stainless steel, significantly extend the service life of equipment and reduce maintenance costs.
The grades, OD specifications and wall thicknesses of cold rolled titanium tubing are as follows:
| Grade | State | OD/mm | Produced wall thicknesses(in mm) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.2 | 0.3 | 0.5 | 0.6 | 0.8 | 1 | 1.25 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | |||
| Gr.1, Gr.2, Gr.5, Gr.7, Gr.12 | Annealed | 3-5 | ✓ | ✓ | ✓ | ✓ | - | - | - | - | - | - | - | - | - | - | - | - |
| >5-10 | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | - | - | - | - | - | - | - | - | ||
| >10-15 | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | - | - | - | - | - | - | ||
| >15-20 | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | - | - | - | - | - | ||
| >20-30 | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | - | - | - | - | ||
| >30-40 | - | - | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | - | - | - | ||
| >40-50 | - | - | - | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | - | - | - | ||
| >50-60 | - | - | - | - | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | - | ||
| >60-80 | - | - | - | - | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| >80-110 | - | - | - | - | - | - | - | - | - | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ||
1Thin-walled titanium tubes: 0.5mm-1.25mm.
Application: Widely used in occasions with strict weight requirements and low pressure.
2Medium wall titanium tubing: 1.25mm-4.0mm.
Application: Used in general pressure and medium industrial piping.
3Thick wall titanium tubes: Over 4.0mm.
Application: Used in special industrial environments subject to high pressure and harsh working conditions.
1. Pure Titanium Seamless Tubing
| Grade | Performances | Application |
|---|---|---|
| GR1, GR2 | Good corrosion resistance, easy to fabricate and weld, relatively low strength | Chemical industry and marine engineering where corrosion resistance is high but strength requirements are moderate. |
2. Seamless Titanium Alloy Tubing
| Grade | Performances | Application |
|---|---|---|
| Gr.7 (Ti-0.2Pd) | Pd added to significantly improve corrosion resistance in primary media. | Chlorine ions and other highly corrosive environments. |
| Gr.12 (Ti0.3Mo0.8N) | Good corrosion resistance and crevice corrosion resistance. | Petrochemical, desalination and areas prone to crevice corrosion. |
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