3 sch 40 pipe wall thickness July 8, 2019 16 32 64 128 3 4 sch 40 pipe wall thickness 3 inch sch 40 pipe wall thickness 3 sch 40 steel pipe wall thickness 3 pipe sch 40 3 sch 40 pipe dimensions 3 schedule 40 pipe id 3 sch 40 pipe dimensions in mm Sch 40 3 inch pipe