A high-performance titanium alloy, Ti-6Al-4V (Grade 5) offers exceptional strength, lightweight properties and excellent corrosion resistance for use in demanding environments and critical applications.
Ti-6Al-4V, also known as Titanium Grade 5, is the most widely used titanium alloy, renowned for its exceptional combination of strength, lightweight properties, and corrosion resistance. This alloy contains 6% aluminium and 4% vanadium, with the remainder being titanium, which makes it an alpha-beta titanium alloy. That balance of mechanical properties, along with its versatility, is what makes Titanium 6Al-4V the ideal choice for a wide range of high-performance applications across the aerospace, medical, and automotive sectors.
As an alpha-beta titanium alloy, Ti Grade 5 combines high strength, low weight and excellent corrosion resistance, making it a popular choice for demanding engineering applications.
Key Benefits of Ti 6Al-4V (Grade 5):
NeoNickel stock Alloy Ti 6Al-4V (Grade 5) in a variety of product forms to suit different applications and fabrication methods, including plate, round bar, sheet and welding wire. To view available sizes and submit an enquiry, use the dropdown selector below.
The composition of Ti-6Al-4V consists of nominally 6% aluminium and 4% vanadium, with the balance being titanium. The full chemical analysis is shown below.
| % | C | N | O | H | Fe | Ti | Al | V |
|---|---|---|---|---|---|---|---|---|
| Min | - | - | - | - | - | Balance | 5.5 | 3.5 |
| Max | 0.08 | 0.05 | 0.2 | 0.125 | 0.4 | Balance | 6.75 | 4.5 |
Ti-6Al-4V is engineered for high-performance service involving structural loads, fatigue, and corrosive environments. Key physical and mechanical properties include:
Ti-6Al-4V is the most commonly used titanium alloy, valued for the exceptional blend of properties that suit it to such a wide range of applications. Key reasons it is so widely specified include:
Ti6Al4V alloy is favoured for its outstanding balance of strength, weight, and corrosion resistance. Its long-term performance, combined with cost-effectiveness through reduced maintenance and enhanced efficiency, makes it a preferred choice for high-performance applications across various industries.
| Mechanical & Physical Properties | 21°C | 93°C | 204°C | 316°C |
|---|---|---|---|---|
| Coefficient of Thermal Expansion µm/m⁰C | 9.54 | 9.72 | 9.9 | |
| Thermal Conductivity /kcal/(hr.m.°C) | 5.95 | 6.4 | 7.74 | 9.08 |
| Modulus of Elasticity / x105 MPa | 1.15 | 1.1 | 1.03 | 9.65 |
| 0.2% Yield Strength, ksi | Fracture Toughness K1C, ksi √in | |
|---|---|---|
| Annealed (continuously rolled sheet) | 132, 142 (transversea) | 128, 140 (transversea) |
| Beta annealed | 131 | 134 |
| Beta STA 677°C | 128 | 150 |
| Beta STA 538°C | 143 | 120 |
| STA 677°C | 137 | 105 |
| STA 538°C | 159 | 80 |
Due to its strength-to-weight ratio, fatigue resistance, and corrosion resistance, Ti 6Al 4V applications span several demanding industries, from aerospace and medical through to automotive and marine work.
Ti-6Al-4V, also known as Titanium Grade 5, is the most widely used titanium alloy. It contains 6% aluminium and 4% vanadium with the remainder being titanium, which makes it an alpha-beta titanium alloy, and it is valued for its combination of strength, lightweight properties, and corrosion resistance.
The composition of Ti-6Al-4V is 6% aluminium and 4% vanadium, with the remainder being titanium. Within the chemical analysis, aluminium ranges from 5.5 to 6.75% and vanadium from 3.5 to 4.5%, with the balance being titanium.
The density of Ti-6Al-4V is 4.43 g/cm³, which contributes to the high strength-to-weight ratio that makes Grade 5 titanium so widely specified in aerospace.
The melting point of Ti 6Al 4V falls within a melting range of 1609 to 1660 °C.
The hardness of Ti 6Al 4V is 349 on the Vickers scale.
Ti 6Al 4V applications include aerospace components such as airframes, jet engines, turbine blades and landing gear, along with medical uses such as dental implants, surgical instruments and orthopaedic devices. It is also used for fasteners, hand tools, sporting equipment, and valves and pumps.
Compared to Titanium Grade 2, ti grade 5 offers greater strength, which is why it is chosen for higher-load and high-performance applications.
NeoNickel supplies Ti-6Al-4V (Grade 5) in plate, round bar, sheet and welding wire, ready to meet the demands of aerospace, medical, automotive and marine projects. Whether you need Grade 5 titanium for structural components, implants, or high-performance parts, our team can advise on the right form and size for your application and support you from enquiry through to delivery. For further advice and support, contact us today.
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