Stainless steel pipes are used where the system needs special reliability. It may be a plumbing system. It must be said that... moreStainless steel pipes are used where the system needs special reliability. It may be a plumbing system. It must be said that stainless steel is almost an eternal material. For example, aggressive environments, especially acidic and alkaline, can often be present in manufacturing plants. Conventional steel pipes, which even have a galvanized surface, hold out under such conditions for a relatively short time.