Titanium is a chemical element with the symbol Ti and atomic number 22. It is a strong, lightweight, and corrosion-resistant metal that is used in a wide range of applications. Titanium was first discovered in Cornwall, Great Britain, in 1791 by William Gregor. The metal was named after the Titans of Greek mythology, who were known for their strength.

Titanium is generally more expensive than other metals, such as iron and aluminum. The cost of titanium can range from $30 to $50 per pound, depending on the grade and quality of the metal. This makes it one of the most expensive metals in the world.

1. Grade and quality: Titanium is available in different grades, each with specific properties and uses. The higher the grade and quality of the metal, the more expensive it will be.

2. Market demand: The demand for titanium in different industries can also affect its price. For example, if there is a high demand for titanium in the aerospace industry, the price of the metal may increase.

3. Supply and production costs: The availability of titanium can also affect its price. If the supply is limited, the price will go up. Additionally, the cost of production can also have an impact on the price of titanium.

4. Currency exchange rates: The price of titanium can also be affected by currency exchange rates. When the US dollar is strong, the price of titanium may be lower for US buyers.

1. Aerospace: Titanium is used extensively in the aerospace industry due to its high strength-to-weight ratio and corrosion resistance. It is used in aircraft structures, engine components, and other critical parts.

2. Medical: Titanium is biocompatible, which means it does not react with the human body. This makes it an ideal material for medical implants, such as hip replacements, dental implants, and pacemakers.

3. Sports: Titanium is used in sports equipment, such as golf clubs, tennis rackets, and bicycles. It is lightweight and strong, which helps to improve performance.

4. Industrial: Titanium is used in various industrial applications, such as chemical processing, power generation, and desalination plants. Its corrosion resistance makes it ideal for use in harsh environments.