Home Pipe Sizes Schedule 80

Schedule 80 Pipe Dimensions

Schedule 80 steel pipe dimensions reference for common NPS sizes, including OD, wall thickness, ID, and weight.

NPS	DN	OD	Wall	ID	Weight
NPS 2	50	2.375 in / 60.33 mm	0.218 in / 5.54 mm	1.939 in / 49.25 mm	5.03 lb/ft / 7.49 kg/m
NPS 3	80	3.5 in / 88.90 mm	0.3 in / 7.62 mm	2.9 in / 73.66 mm	10.26 lb/ft / 15.27 kg/m
NPS 4	100	4.5 in / 114.30 mm	0.337 in / 8.56 mm	3.826 in / 97.18 mm	15 lb/ft / 22.32 kg/m
NPS 6	150	6.625 in / 168.28 mm	0.432 in / 10.97 mm	5.761 in / 146.33 mm	28.6 lb/ft / 42.56 kg/m
NPS 8	200	8.625 in / 219.07 mm	0.5 in / 12.70 mm	7.625 in / 193.68 mm	43.43 lb/ft / 64.63 kg/m
NPS 10	250	10.75 in / 273.05 mm	0.594 in / 15.09 mm	9.562 in / 242.88 mm	64.49 lb/ft / 95.97 kg/m
NPS 12	300	12.75 in / 323.85 mm	0.688 in / 17.48 mm	11.374 in / 288.90 mm	88.71 lb/ft / 132.02 kg/m

About Schedule 80

Schedule 80 identifies a standardized pipe wall thickness for a given nominal pipe size. The actual wall thickness depends on the NPS size.

Select an NPS size above to open the exact Schedule 80 dimensional reference page.

Schedule 80 is a standardized pipe wall-thickness designation used with nominal pipe size. The actual wall thickness varies by NPS.

No. The wall thickness changes with NPS size even when the schedule designation remains the same.