Pipe Wall Thickness Schedule 10, 40 & 80

		Schedule	10	Schedule	40	Schedule	80
Pipe Size	Pipe OD	Light Weight		Popular Choice		High Pressure
All Sizes	in Inches	Pipe ID	Wall Thick	Pipe ID	Wall Thick	Pipe ID	Wall Thick
1/8	0.405	0.307	0.049	0.269	0.068	0.215	0.095
1/4	0.540	0.410	0.065	0.364	0.088	0.302	0.119
3/8	0.675	0.545	0.065	0.493	0.091	0.423	0.126
1/2	0.840	0.674	0.083	0.622	0.109	0.546	0.147
3/4	1.050	0.884	0.083	0.824	0.113	0.742	0.154
1	1.315	1.097	0.109	1.049	0.133	0.957	0.179
1-1/4	1.660	1.442	0.109	1.380	0.140	1.278	0.191
1-1/2	1.900	1.682	0.109	1.610	0.145	1.500	0.200
2	2.375	2.157	0.109	2.067	0.154	1.939	0.218
2-1/2	2.875	2.635	0.120	2.469	0.203	2.323	0.276
3	3.500	3.260	0.120	3.068	0.216	2.900	0.300
4	4.500	4.260	0.120	4.026	0.237	3.826	0.337
5	5.563	5.295	0.134	5.047	0.258	4.813	0.375
6	6.625	6.357	0.134	6.065	0.280	5.761	0.432
8	8.625	8.329	0.148	7.981	0.322	7.625	0.500

Schedule 160 & XXH

		Schedule	160	Schedule	XXH
Pipe Size	Pipe OD	Extreme Pressures		Demanding Applications
All Sizes	In Inches	Pipe ID	Wall Thick	Pipe ID	Wall Thick
1/8	0.405
1/4	0.540
3/8	0.675
1/2	0.840	0.464	0.188	0.252	0.294
3/4	1.050	0.612	0.219	0.434	0.308
1	1.315	0.815	0.250	0.599	0.358
1-1/4	1.660	1.160	0.250
1-1/2	1.900	1.338	0.281	1.100	0.400
2	2.375	1.687	0.344	1.503	0.436
2-1/2	2.875	2.125	0.375
3	3.500	2.624	0.438
4	4.500	3.438	0.531
5	5.563	4.313	0.625
6	6.625	5.187	0.719
8	8.625	6.813	0.906