3 Inch Schedule 40 Pipe Dimensions

NPS 3 Schedule 40 steel pipe dimensions, including outside diameter, wall thickness, inside diameter, DN size, and weight.
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Pipe Dimensions

Property Imperial Metric
NPS 3 NPS 3
DN 80 DN 80
Schedule Schedule 40 Schedule 40
Outside Diameter 3.5 in 88.90 mm
Wall Thickness 0.216 in 5.49 mm
Inside Diameter 3.068 in 77.93 mm
Weight 7.58 lb/ft 11.28 kg/m
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Quick Facts

About NPS 3 Schedule 40

NPS 3 Schedule 40 pipe has a nominal pipe size of 3 inches and corresponds to DN 80. The outside diameter is standardized, while wall thickness varies by schedule.

PipeLookup presents dimensional reference data for quick lookup. Inside diameter is derived from outside diameter minus twice the wall thickness.

FAQ

What is the OD of 3 inch Schedule 40 pipe?

The outside diameter is 3.5 inches (88.90 mm).

What is the wall thickness?

The nominal wall thickness is 0.216 inches (5.49 mm).

What is the inside diameter?

The calculated inside diameter is approximately 3.068 inches (77.93 mm).

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