Thermal power plants, steel mills, etc. which use cold water in their automatic smelting process mainly use 13Cr chromium stainless steels. Depending on working conditions, 304 series, 316, etc. materials are also available. The corrosion and wear resistance required for the friction of air and water is excellent and can be changed depending on the environmental conditions. Such customization exists such as the material of the rollers; special resins, etc. so please contact us for exact specifications.