Steel pipes schedule 120 chart

wall thickness and weight

Nominal size [inches]	Outside diameter [inches]	Outside diameter [mm]	Wall thickness [inches]	Wall thickness [mm]	Weight [lb/ft]	Weight [kg/m]
4" NPS100	4.5	114.3	0.438	11.13	19.0	28.32
5" NPS125	5.563	141.3	0.5	12.7	27.04	40.28
6" NPS150	6.625	168.3	0.562	14.27	36.39	54.2
8" NPS200	8.625	219.1	0.719	18.26	60.71	90.44
10" NPS250	10.75	273.0	0.844	21.44	89.29	133.06
12" NPS300	12.75	323.8	1.0	25.4	125.49	186.97
14" NPS350	14.0	355.6	1.094	27.79	150.79	224.65
16" NPS400	16.0	406.4	1.219	30.96	192.43	286.64
18" NPS450	18.0	457.0	1.375	34.93	244.14	363.56
20" NPS500	20.0	508.0	1.5	38.1	296.37	441.49
22" NPS550	22.0	559.0	1.625	41.28	353.61	527.02
24" NPS600	24.0	610.0	1.812	46.02	429.39	640.03