What is the most commonly used type of pipe in the industry?

Steel is the most commonly used type of pipe in the industry due to its strength, durability, and versatility. It can handle high pressures and temperatures, making it suitable for a variety of applications, including water, gas, and steam systems. Steel pipes also have excellent mechanical properties that allow them to be used in structural applications, as well as in scenarios where the pipe must withstand harsh environmental conditions.

Other materials like PVC, cast iron, and copper have specific uses based on their unique properties. For instance, PVC is lightweight and resistant to corrosion, making it ideal for drainage systems but not suitable for high temperature or high-pressure applications. Cast iron is known for its durability and ability to dampen sound, but it is heavier and less used in modern piping systems compared to steel. Copper has excellent corrosion resistance and is commonly used in plumbing, particularly for water supply lines, but its overall usage in industry is limited compared to steel. Each material has its own niche, but steel remains the go-to choice for a vast range of applications in many industries.