ur requirements.TUBE SIZES: 3/4" O.D. to ?8" NPSFIN HEIGHT: 3/8" to 1-1/2"FIN THICKNESS: 0.035" to 0.102"Segmented width: 4.5mm or 8 mmFIN PITCH: 1 to 7 fins per inchMaterial: Any material or combination that can be resistance or arc welded
Website:http://www.unidusgroup.com