If we compare human living space to human body, various piping systems equiped in living area are like vessels and nerves of our body. When choosed for transporting quality drinking water, it is soimportant to make choise of matrials of the pipe. This article is a authoritative record of experts in stainless steel branch association of China's special steel.

The experts thought that because majority of building used water piping is a shelter project or a piping shaft project, unsuitable material choosing, according to experts estimates, will cause a loss to the investor about 10~20 times of the water piping material cost.

Additionally, material choosing is a barometer of water industry development. There presents five principles for water piping material choosing: safty, economical efficiency, satanitation, energy conservation and sustainable development.The most commonly used stainless steel pipe in water industry is SS304 and SS316 for which can meet the majority demands of water treatment and water deliver.