In coastal areas, especially in marine environments, rusty stainless steel railings are frequently seen, which often seems strange, given that stainless steel pipes don't rust. This is because
316L stainless steel pipes weren't chosen!
Then, some might ask, why choose 316L stainless steel pipes?
1. 316L stainless steel pipes have excellent resistance to chloride corrosion. Seawater is salty, and sea fog and winds contain seawater, which contains sodium chloride. Salt accelerates the corrosion of metal objects.
2. 316L stainless steel pipes have excellent corrosion resistance. The presence of molybdenum (Mo) in 316L stainless steel further enhances its corrosion resistance. Seawater contains many highly corrosive chemicals besides chlorides, so stainless steel pipes used in marine environments must possess strong and stable corrosion resistance.
3. 316L stainless steel pipes have excellent resistance to high temperatures and pressures. The seabed is a high-pressure environment, and some marine equipment also needs to withstand high temperatures. Therefore, 316L stainless steel pipes, which are not only highly corrosion-resistant but also resistant to high temperatures and pressures, are the best choice for use in marine environments.