
OT4-1 titanium is a high-performance titanium alloy known for its biocompatibility and strength, making it the ideal choice for medical devices and industrial machinery. At Russian Metals, we provide top-quality OT4-1 alloy that is tailored for surgical implants, medical devices, pumps, valves, and various engineering applications. Our precision-cut OT4-1 titanium sheets, rods, and plates offer unmatched durability and reliability, making them perfect for industries requiring robust materials.

OT4-1 Titanium is a wrought titanium alloy that is widely used in the medical and industrial sectors due to its excellent mechanical properties, including high strength and corrosion resistance. The alloy's composition ensures it is both lightweight and resilient, making it a popular choice for demanding applications in biomedical implants and chemical processing equipment.
.Alloy Type: Alpha (α) titanium alloy
Primary Composition: Titanium with small additions of iron, oxygen, and carbon
Microstructure: Single-phase alpha structure, ensuring good formability and weldability
Density: Approximately 4.5 g/cm³ — about 40% lighter than steel
| Grade : | OT4-1 |
| Classification : | Titanium wrought alloy |
| Application: | thin-walled parts of complex configuration, operating for a long time at a temperature of 300°C (3000 h) and 350°C (2000 h); pseudo α structure class; Disadvantages - relatively low strength; very high tendency to hydrogen embrittlement |
GOST -19807 - 91
| Fe | C | Si | Mn | N | You | Al | Zr | O | H | Impurities |
|---|---|---|---|---|---|---|---|---|---|---|
| up to 0.3 | up to 0.1 | up to 0.12 | 0.7 - 2 | up to 0.05 | 94.33 - 97.5 | 1.5 - 2.5 | up to 0.3 | up to 0.15 | up to 0.012 | other 0.3 |
Note: Ti is the basis; Ti percentage is approximate.
| Weldability: | without restrictions. |
| Assortment | Size | For example. | σin | σT | δ5 | ψ | KCU | Thermal processing |
|---|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | kJ/m² | - |
| Annealed sheet, GOST 22178-76 | 590 | 13-25 | ||||||
| Rod, GOST 26492-85 | Ø 10 - 150 | 540 | 10-12 | 21-30 | 400-450 | Annealing | ||
| Rod, high quality, GOST 26492-85 | 540-735 | 13-15 | 24-35 | 400-450 | Annealing | |||
| Plate, GOST 23755-79 | 11 - 150 | 590-735 | 8-10 | 14-18 |
| Hardness OT4-1, Sheet | HB 10-1 = 197 - 255 MPa |
| T | E 10-5 | α 106 | λ | ρ | C | R 109 |
|---|---|---|---|---|---|---|
| Haill | MPa | 1/Grad | W/(m deg) | kg/ m3 | J/(kg deg) | Ohm m |
| 20 | 1.1 | 9.63 | 4550 | 1010 | ||
| 100 | 8 | 10.47 | ||||
| 200 | 8 | 11.3 | 0.565 | |||
| 300 | 9.1 | 12.14 | 0.628 | |||
| 400 | 9.6 | 14.24 | 0.67 | |||
| 500 | 9.7 | 14.65 | 0.754 | |||
| 600 | 9.8 | 16.32 |
Attention! Both exact and closest analogues are indicated.
| Japan |
|---|
| JIS |
| ST-A90 |
OT4-1 titanium alloy is widely used across various industries, with particular emphasis on the medical and industrial sectors.
At Russian Steel, we are an affordable OT4-1 titanium supplier providing high-quality OT4-1 alloy at competitive prices. Our products meet international standards and are tailored to suit various medical and industrial applications.
If you're looking for high-performance OT4-1 titanium alloy for medical devices, aerospace, or industrial machinery, contact Russian Metals today for a customized quote. We offer expert support and competitive pricing to ensure you get the best material for your specific application.