This European Standard specifies the technical delivery conditions for light gauge welded stainless steel tubes, primarily for water application, including water intended for human consumption, supplied in straight lengths and suitable for connection by adhesive bonding, capillary fittings, compression fittings, press fittings or by inert gas welding. The standard covers the size range from 6 mm to 159 mm outside diameter in two grades of stainless steel from EN 10088-2.