pipe size chart - benjamin steel co - Pipe Size Chart Nominal: O.D. Schedule Number: Pipe Size: inches : 10. 20. 30. 40. 60. 80. 100. 120. 140. 160. XXH. 1/8".405" Wall Thick. 0.049 : 0.057: 0.068 : 0.095 free pipe sizing program - hvac/r engineering - - Free ...