Which material is commonly used for pressure piping systems due to its strength and durability?

Steel is commonly used for pressure piping systems because of its exceptional strength and durability. This metal has a high tensile strength, which allows it to withstand significant internal pressure without deforming or rupturing. Additionally, steel is resistant to wear and can handle extreme temperatures, making it suitable for a wide range of applications, including those involving hot or high-pressure fluids.

Furthermore, steel can be easily welded, allowing for flexible and robust jointing options that enhance the integrity of the piping system. It also holds up well against various physical stresses, making it ideal for industries such as oil and gas, chemical processing, and water treatment where reliability is critical.

While other materials like copper are also used in certain applications, it does not match steel's performance under high pressure. Plastic piping, although lighter and resistant to corrosion, typically lacks the strength required for high-pressure applications. Concrete is mainly used in construction and drainage rather than pressurized systems due to its brittle nature. Thus, steel stands out as the material of choice for systems where strength and durability are paramount.