BT6 (БТ6)
BT6 Titanium Alloy for Aerospace and Aircraft Manufacturing
BT6 Titanium, also known as Ti-6Al-4V, is a high-strength titanium alloy composed of 90% titanium, 6% aluminum, and 4% vanadium. It is one of the most widely used titanium alloys due to its excellent combination of mechanical properties, including high tensile strength, low density, and exceptional resistance to corrosion and high temperatures. BT6 titanium is often employed in applications where both strength and lightweight characteristics are essential, such as aerospace, marine, medical, and automotive industries.
This alloy is known for its outstanding strength-to-weight ratio, making it ideal for high-performance components that must withstand harsh environmental conditions. It also exhibits good weldability, fatigue resistance, and creep resistance, making it a preferred choice for critical structural and engineering applications.
Overview of BT6 Titanium Alloy
BT6 titanium alloy, also known as Ti-6Al-4V or Grade 5 titanium, is a widely used α+β titanium alloy renowned for its exceptional combination of strength, light weight, and corrosion resistance. It is one of the most prevalent titanium alloys globally, accounting for over 50% of all titanium applications
Heat Treatment & Processing
BT6 can be heat-treated to enhance its properties:
Solution Treatment & Aging: Achieves high strength
Annealing: Improves ductility
Beta Annealing: Enhances damage tolerance
Characteristics of the material BT6
| Grade : | BT6 |
| Classification : | Titanium wrought alloy |
| Application: | for the manufacture of large-sized welded and prefabricated structures of aircraft, for the manufacture of cylinders operating under internal pressure in a wide temperature range from 196 to 450 °C, and a number of other structural elements; structural class α+β |
Key Properties of BT6 Titanium
High Strength and Durability
BT6 Titanium offers superior tensile strength, making it ideal for applications that demand high strength-to-weight ratio. It has a tensile strength of up to 1,200 MPa, providing excellent load-bearing capacity without excessive weight.
Corrosion Resistance
This alloy exhibits outstanding resistance to a wide range of corrosive environments, including seawater, acidic, and alkaline conditions. This makes BT6 titanium perfect for use in harsh environments such as marine, chemical, and offshore industries.
Lightweight
BT6 titanium's low density ensures reduced weight, making it a popular choice in industries where weight reduction is crucial, such as aerospace and automotive applications.
Heat Resistance
With a high melting point and excellent heat resistance, BT6 titanium maintains its mechanical properties at elevated temperatures, making it suitable for applications in engines, turbine blades, and other high-temperature environments.
Fatigue and Creep Resistance
This alloy exhibits excellent fatigue resistance and creep strength, ensuring reliable performance even under repeated stress or at high temperatures for prolonged periods. This makes it suitable for components that experience cyclic loading, such as engine parts or structural components in aerospace.
Weldability and Formability
BT6 titanium is highly weldable and can be processed using standard welding techniques such as TIG, MIG, and laser welding. Its formability makes it easy to create complex geometries for various custom parts.
Ductility and Toughness
Despite its strength, BT6 titanium maintains good ductility and toughness, which allows it to absorb high amounts of energy before fracturing. This makes it suitable for applications that require both strength and the ability to withstand impact or shock loading.
Biocompatibility
BT6 titanium is biocompatible, making it a prime candidate for medical implants, prosthetics, and surgical instruments. It is non-toxic and does not induce adverse reactions when in contact with human tissue.
Chemical composition in % of BT6 material
GOST -19807 - 91
| Fe | C | Si | V | N | You | Al | Zr | O | H | Impurities |
|---|---|---|---|---|---|---|---|---|---|---|
| up to 0.6 | up to 0.1 | up to 0.1 | 3.5 - 5.3 | up to 0.05 | 86.45 - 90.9 | 5.3 - 6.8 | up to 0.3 | up to 0.2 | up to 0.015 | other 0.3 |
Note: Ti is the basis; Ti percentage is approximate.
Technological properties of the BT6 material.
| Weldability: | without restrictions. |
Mechanical properties at T=20 o C of BT6 material.
| Assortment | Size | For example. | σin | σT | δ5 | ψ | KCU | Thermal processing |
|---|---|---|---|---|---|---|---|---|
| - | mm | - | MPa | MPa | % | % | kJ/m² | - |
| Annealed sheet, GOST 22178-76 | 885 | 8 | ||||||
| Rod, high quality, GOST 26492-85 | 835-1050 | 6-10 | 20-30 | 300-400 | Annealing | |||
| Rod, GOST 26492-85 | 1080 | 4 | 12 | 200 | Hardening and aging | |||
| Rod, GOST 26492-85 | 835-885 | 6-8 | 15-20 | 250 | Annealing | |||
| Rod, high quality, GOST 26492-85 | 1080 | 6 | 20 | 250-300 | Hardening and aging | |||
| Stamping | 950-1100 | 10-13 | 35-60 | 400-800 | Annealing | |||
| Annealed plate, GOST 23755-79 | 11 - 100 | 835-1080 | 6 | 12-16 | 300 |
| Hardness BT6 after quenching and aging, Rod | HB 10-1 = 293 - 361 MPa |
| Hardness BT6 after annealing, Stamping | HB 10-1 = 255 - 341 MPa |
Physical properties of the material BT6.
| 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 | 8.37 | 4450 | 1600 | |||
| 100 | 8.4 | 9.21 | 1820 | |||
| 200 | 8.7 | 10.88 | 0.586 | 2020 | ||
| 300 | 9 | 11.7 | 0.67 | 2120 | ||
| 400 | 10 | 12.56 | 0.712 | 2140 | ||
| 500 | 13.82 | 0.795 | ||||
| 600 | 15.49 | 0.879 |
Why Choose BT6 Titanium for Aerospace Applications?
High Strength-to-Weight Ratio
BT6 offers excellent mechanical properties, making it ideal for aerospace applications that demand both strength and low weight.
Corrosion Resistance
It resists corrosion even in extreme environments, such as those experienced in marine or high-altitude aircraft.
Temperature Stability
BT6 performs reliably at high temperatures, maintaining its strength and integrity in demanding aerospace applications.
Weldability
BT6 can be welded with ease, ensuring smooth manufacturing of complex aerospace components.
Foreign analogues of the material BT6
Attention! Both exact and closest analogues are indicated.
| USA | Germany | Japan | France | England |
|---|---|---|---|---|
| - | DIN, WNr | JIS | AFNOR | B.S. |
| 5Al-2.5Sn Grade6 | 3.7114 3.7115 | KS-5-2.5 SAT-525 | Ti-P.65 | IMI317 |
BT6 Titanium Round Bar and Custom Products
At Russian Metals, we supply high-quality BT6 titanium round bars, sheets, and custom shapes tailored to your aerospace needs. Whether you require specific dimensions or custom cuts, we ensure precise manufacturing to meet the stringent requirements of the aerospace industry.
Why Choose Russian Metals for BT6 Titanium?
Premium Quality
We offer only the highest grade BT6 titanium alloy, certified for aerospace applications.
Customization
We provide custom solutions for BT6 titanium products to meet your exact specifications.
Fast Delivery
With our efficient supply chain, we offer fast and reliable delivery across India, ensuring your projects stay on schedule.
Competitive Pricing
We offer the best prices for BT6 titanium without compromising quality.
Contact Us for BT6 TItanium Orders
For more information or to place an order, contact Russian Metals today. We specialize in providing the best quality GOST BT6 TItanium at competitive prices for industrial, defense, and aerospace applications.