Steel pipes schedule 40 chart

wall thickness and weight

Pipe nominal size

Pipe length (L)

Steel price (USD)

Total pipe price (USD)

Outside diameter (OD)

Wall thickness (wt)

Pipe unit weight (W/L)

Empty pipe weight (W)

Fluid density (ρ)

Filled pipe weight (Wf)

Volume of the fluid (V)

Nominal size [inches]	Outside diameter [inches]	Outside diameter [mm]	Wall thickness [inches]	Wall thickness [mm]	Weight [lb/ft]	Weight [kg/m]
1/8" NPS6	0.41	10.3	0.068	1.73	0.24	0.37
1/4" NPS8	0.54	13.7	0.088	2.24	0.42	0.63
3/8" NPS10	0.68	17.1	0.091	2.31	0.57	0.84
1/2" NPS15	0.84	21.3	0.109	2.77	0.85	1.27
3/4" NPS20	1.05	26.7	0.113	2.87	1.13	1.69
1" NPS25	1.32	33.4	0.133	3.38	1.68	2.5
1 1/4" NPS32	1.66	42.2	0.14	3.56	2.27	3.39
1 1/2" NPS40	1.9	48.3	0.145	3.68	2.72	4.05
2" NPS50	2.375	60.3	0.154	3.91	3.65	5.44
2 1/2" NPS65	2.875	73.0	0.203	5.16	5.79	8.63
3" NPS80	3.5	88.9	0.216	5.49	7.58	11.29
3 1/2" NPS90	4.0	101.6	0.226	5.74	9.11	13.57
4" NPS100	4.5	114.3	0.237	6.02	10.79	16.07
5" NPS125	5.563	141.3	0.258	6.55	14.62	21.77
6" NPS150	6.625	168.3	0.28	7.11	18.97	28.26
8" NPS200	8.625	219.1	0.322	8.18	28.55	42.55
10" NPS250	10.75	273.0	0.365	9.27	40.48	60.31
12" NPS300	12.75	323.8	0.406	10.31	53.52	79.73
14" NPS350	14.0	355.6	0.437	11.13	54.57	94.55
16" NPS400	16.0	406.4	0.5	12.7	82.77	123.3
18" NPS450	18.0	457.0	0.562	14.27	104.67	155.8
20" NPS500	20.0	508.0	0.594	15.09	123.11	183.42
24" NPS600	24.0	610.0	0.688	17.48	171.29	255.41
32" NPS800	32.0	813.0	0.688	17.48	230.08	342.91