Dear , We are Boiler manufacturers in pakistan and we require Finned tubes for our economizers. Please quote the price in USD KG Finned tubes needed as per information below finned pipe lenght D m 1.6 Plain pipe length C m 0.2 Fin type serrated fins Welded or integral Tube ID diameters A mm 38 Pipe thickness SCH SCH-40 (3.3mm) fin frequancy Fins inch 199 fin diameter B mm 88 Fin thickness mm 0.5 Material Carbon steel Material required Tons 30