Which piping material is preferred for high-pressure steam systems due to its strength?

The preferred piping material for high-pressure steam systems is malleable iron due to its remarkable strength and durability. Malleable iron is capable of withstanding the high pressures and temperatures typically associated with steam systems, which is essential to ensuring safety and reliability in such applications.

Malleable iron has a good tensile strength, which means it can handle the stress and pressure without deforming or breaking. This makes it an ideal choice for industrial settings where high-pressure steam is utilized for heating, powering equipment, or other processes.

In comparison, copper, while also used in plumbing systems, does not offer the same level of strength required for high-pressure applications. PVC, being a plastic material, lacks the necessary durability and strength to handle the extreme conditions found in steam systems. Aluminum, while lightweight and corrosion-resistant, does not possess the required mechanical properties to function safely in high-pressure steam scenarios. Therefore, malleable iron stands out as the top choice for ensuring the integrity and performance of high-pressure steam piping systems.