Grade 2 titanium is an alloy made of pure titanium that is highly resistant to corrosion. This makes it a popular material in many industries where resistance to rust and chemical attacks is needed.
The corrosion resistance of grade 2 titanium is due to its high amount of titanium oxide. This oxide layer forms naturally on the surface of the metal, protecting it from further attacks. The layer is thin but very tough, making it very difficult for water and chemicals to penetrate the metal.
The chemical composition of grade 2 titanium also contributes to its corrosion resistance. The metal is composed of 99% titanium, 0.25% iron, 0.15% carbon, and 0.07% nitrogen. The small amount of iron helps to strengthen the metal, while the other elements do not affect its corrosion resistance.
One of the most common uses for grade 2 titanium is in the medical industry. It is often used to make medical implants, such as hip and knee replacements, because of its biocompatibility and corrosion resistance. The oxide layer that forms on the surface of grade 2 titanium is not toxic to the body, making it safe for long-term implantation in the human body.
Another industry that benefits from grade 2 titanium’s corrosion resistance is the aerospace industry. Titanium parts are commonly used in aircraft, rockets, and satellites because of their lightweight and durability. The resistance to corrosion is important in these applications, as the parts are exposed to high altitudes and various weather conditions.
Grade 2 titanium is also commonly used in marine applications, such as shipbuilding, offshore oil drilling, and desalination plants. The metal’s resistance to saltwater corrosion and marine environments make it an ideal choice for these applications.
In addition to its resistance to corrosion, grade 2 titanium has other desirable properties that make it a popular material in many industries. It is lightweight, with a density of 4.51 g/cm³, making it ideal for applications where weight is a concern. It is also very strong, with a tensile strength of up to 620 MPa, and is able to withstand high temperatures.
Overall, grade 2 titanium’s corrosion resistance makes it a valuable material in many industries, from medical implants to aerospace parts to marine applications. Its unique combination of properties, including biocompatibility, light weight, strength, and ability to withstand high temperatures, make it a versatile material that will continue to be used in a wide range of applications in the future.