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Grade 5 titanium alloy Ti6Al4V PIPE
Titanium Grade 5 (Ti-6Al-4V) is one of the most widely used titanium alloys in the world. Known for its exceptional strength, durability, and corrosion resistance, it is particularly favored in demanding industries such as aerospace, medical, marine, and chemical processing. This alpha-beta titanium alloy is fully heat-treatable, making it highly versatile for a wide range of applications.
Compared to commercial pure titanium, Ti-6Al-4V offers greater hardness without sacrificing thermal properties. It also exhibits excellent fatigue resistance and low thermal expansion, which makes it ideal for use in harsh environments like subsea oil and gas operations. Its ability to be easily welded allows for the creation of complex parts that are essential in aerospace and offshore machinery.
The chemical composition of Ti-6Al-4V includes approximately 6% aluminum and 4% vanadium, with the remainder being titanium. This unique combination gives the alloy its high strength-to-weight ratio and excellent mechanical performance. Below is a detailed breakdown of its chemical composition:
| Element | Weight % |
|---------|----------|
| Ti | Balance |
| C | 0.08 |
| Fe | 0.03 |
| N | 0.05 |
| Al | 5.5–6.75 |
| O | 0.20 |
| V | 3.5–4.5 |
| H | 0.015 |
| Y | 0.005 |
| Other | 0.40 |
In terms of mechanical properties, Ti-6Al-4V performs exceptionally well across different forms, including bars, sheets, and forgings. Here are some typical values:
**Annealed Bar:**
- Diameter < 2.00" – Tensile Strength: 135 ksi (931 MPa), Yield Strength: 125 ksi (862 MPa), Elongation: 10%, Reduction of Area: 25%
- Diameter 2.00"–4.00" – Tensile Strength: 130 ksi (896 MPa), Yield Strength: 120 ksi (827 MPa), Elongation: 10%, Reduction of Area: 25%
- Diameter > 4.00" – Tensile Strength: 130 ksi (896 MPa), Yield Strength: 120 ksi (827 MPa), Elongation: 8%, Reduction of Area: 20%
**Annealed Sheet:**
- Thickness 0.025"–0.063" – Tensile Strength: 134 ksi (920 MPa), Yield Strength: 126 ksi (866 MPa), Elongation: 8%
- Thickness 0.063"–0.1875" – Tensile Strength: 134 ksi (920 MPa), Yield Strength: 126 ksi (866 MPa), Elongation: 10%
- Thickness 0.1875"–4.00" – Tensile Strength: 130 ksi (893 MPa), Yield Strength: 120 ksi (823 MPa), Elongation: 10%
Ti-6Al-4V is available in various forms, including bar, billet, casting, extrusion, plate, sheet, strip, wire, welding wire, rings, and forgings. It meets numerous international standards, such as ASTM, AMS, MIL-T, and EN specifications, ensuring its quality and suitability for critical applications.
Whether you're looking for standard or specialized grades, Ti-6Al-4V remains a top choice for engineers and manufacturers who demand high performance and reliability. For more information on stock availability, sizes, or technical support, please contact our sales team.