Ti 6Al-4V is a widely used titanium alloy known for its high strength, low weight, and corrosion resistance, making it the most popular titanium alloy. Classified as an alpha+beta alloy, it has a blend of two different crystal structures and can be heat-treated to increase its strength moderately. Its low weight is beneficial in industries like aerospace and automotive, where weight reduction is crucial. Its corrosion resistance makes it suitable for environments with exposure to moisture or chemicals. The recommended service temperature for Ti 6Al-4V is up to 660°F (350°C), making it ideal for applications expecting moderate temperatures. Overall, Ti 6Al-4V is a versatile titanium alloy chosen for its combination of strength, light weight, and corrosion resistance.