Which material is prohibited for use in gas piping?

The use of 100% copper for gas piping is prohibited primarily due to safety concerns related to the material's susceptibility to corrosion and its ability to handle the high pressures and temperatures associated with natural gas or propane. While copper is a reliable material for many plumbing applications, it can react with certain gases, potentially leading to leaks over time.

Additionally, codes and standards governing gas piping materials typically specify options that have been proven to provide the necessary integrity and safety for gas distribution. Materials such as stainless steel and galvanized steel, along with certain approved types of plastic, are commonly accepted for use in gas systems because they offer better resistance to the harsh conditions that gas can create.

This emphasis on material safety and compatibility is crucial in preventing hazardous gas escapes, protecting both property and life.