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Pipe Dimensions

The following chart lists available dimensions for seamless & welded pipes offered by Penn Stainless Products. Pipes are available in a variety of sizes, from 1/8″ outside diameter to 48.”

All measurements listed are in inches unless otherwise noted.

Outside Diameter	PS = Seamless, PW = Welded	Nominal OD	Schedule Designations			Nominal Wall	Nominal ID	Max ID	Min ID
1/8	PS & PW	0.405	10		10S	0.049	0.307	0.335	0.255
	PS & PW	0.405	STD	40	40S	0.068	0.226	0.302	0.210
	PS & PW	0.405	XS	80	80S	0.095	0.225	0.255	0.145
1/4	PS & PW	0.540	10		10S	0.065	0.410	0.442	0.352
	PS & PW	0.540	STD	40	40S	0.088	0.364	0.402	0.297
	PS & PW	0.540	XS	80	80S	0.119	0.364	0.348	0.222
3/8	PS & PW	0.675	10		10S	0.065	0.545	0.577	0.487
	PS & PW	0.675	STD	40	40S	0.091	0.493	0.532	0.425
	PS & PW	0.675	XS	80	80S	0.126	0.423	0.471	0.341
1/2	PS & PW	0.840	5		5S	0.065	0.710	0.742	0.652
	PS & PW	0.840	10		10S	0.083	0.674	0.711	0.609
	PS & PW	0.840	STD	40	40S	0.109	0.622	0.665	0.546
	PS & PW	0.840	XS	80	80S	0.147	0.546	0.599	0.455
	PS & PW	0.840	160			0.188	0.464	0.527	0.357
	PS & PW	0.840	XX			0.294	0.252	0.342	0.102
3/4	PS & PW	1.050	5		5S	0.065	0.920	0.952	0.862
	PS & PW	1.050	10		10S	0.083	0.884	0.921	0.819
	PS & PW	1.050	STD	40	40S	0.113	0.824	0.868	0.747
	PS & PW	1.050	XS	80	80S	0.154	0.742	0.797	0.648
	PS & PW	1.050	160			0.219	0.612	0.683	0.492
	PS & PW	1.050	XX			0.308	0.434	0.527	0.279
1	PS & PW	1.315	5		5S	0.065	1.185	1.217	1.127
	PS & PW	1.315	10		10S	0.109	1.097	1.140	1.021
	PS & PW	1.315	STD	40	40S	0.133	1.049	1.098	0.964
	PS & PW	1.315	XS	80	80S	0.179	0.957	1.018	0.853
	PS & PW	1.315	160			0.250	0.815	0.894	0.683
	PS & PW	1.315	XX			0.358	0.559	0.705	0.424
1-1/4	PS & PW	1.660	5		5S	0.065	1.530	1.562	1.472
	PS & PW	1.660	10		10S	0.109	1.442	1.485	1.366
	PS & PW	1.660	STD	40	40S	0.140	1.380	1.431	1.292
	PS & PW	1.660	XS	80	80S	0.191	1.226	1.342	1.170
	PS & PW	1.660	160			0.250	1.160	1.239	1.028
	PS & PW	1.660	XX			0.382	0.896	1.008	0.711
1-1/2	PS & PW	1.900	5		5S	0.065	1.770	1.802	1.712
	PS & PW	1.900	10		10S	0.109	1.682	1.725	1.606
	PS & PW	1.900	STD	40	40S	0.145	1.610	1.662	1.520
	PS & PW	1.900	XS	80	80S	0.200	1.500	1.566	1.388
	PS & PW	1.900	160			0.281	1.338	1.424	1.194
	PS & PW	1.900	XX			0.400	1.100	1.216	0.908
2	PS & PW	2.375	5		5S	0.065	2.225	2.293	2.187
	PS & PW	2.375	10		10S	0.109	2.157	2.216	2.081
	PS & PW	2.375	STD	40	40S	0.154	2.067	2.138	1.973
	PS & PW	2.375	XS	80	80S	0.218	1.939	2.026	1.820
	PS & PW	2.375	160			0.344	1.687	1.805	1.517
	PS & PW	2.375	XX			0.436	1.503	1.644	1.297
2-1/2	PS & PW	2.875	5		5S	0.083	2.709	2.762	2.644
	PS & PW	2.875	10		10S	0.120	2.635	2.697	2.555
	PS & PW	2.875	STD	40	40S	0.203	2.469	2.552	2.356
	PS & PW	2.875	XS	80	80S	0.276	2.323	2.424	2.181
	PS & PW	2.875	160			0.375	2.125	2.251	1.943
	PS & PW	2.875	XX			0.552	1.771	1.941	1.518
3	PS & PW	3.500	5		5S	0.083	3.334	3.387	3.265
	PS & PW	3.500	10		10S	0.120	3.226	3.322	3.174
	PS & PW	3.500	STD	40	40S	0.216	3.068	3.154	2.971
	PS & PW	3.500	XS	80	80S	0.300	2.900	3.007	2.778
	PS & PW	3.500	160			0.483	2.624	2.687	2.357
	PS & PW	3.500	XX			0.600	2.300	2.482	2.088
3-1./2	PS & PW	4.000	5		5S	0.083	3.834	3.887	3.765
	PS & PW	4.000	10		10S	0.120	3.760	3.822	3.674
	PS & PW	4.000	STD	40	40S	0.226	3.548	3.637	3.448
	PS & PW	4.000	XS	80	80S	0.318	3.364	3.476	3.237
	PS & PW	4.000	XX			0.636	2.728	2.919	2.505
4	PS & PW	4.500	5		5S	0.083	4.334	4.387	4.265
	PS & PW	4.500	10		10S	0.120	4.260	4.322	4.174
	PS & PW	4.500	STD	40	40S	0.237	4.026	4.117	3.923
	PS & PW	4.500	XS	80	80S	0.337	3.826	3.942	3.693
4-1/2	PS & PW	5.000	10		10S	0.247	4.506	4.630	4.363
	PS & PW	5.000	STD	40	40S	0.355	4.226	4.441	4.152
	PS & PW	5.000	XS	80	80S	0.710	3.580	3.820	3.335
5	PS & PW	5.563	5		5S	0.109	5.345	5.434	5.264
	PS & PW	5.563	10		10S	0.134	5.226	5.391	5.203
	PS & PW	5.563	STD	40	40S	0.258	5.047	5.174	4.899
	PS & PW	5.563	XS	80	80S	0.375	4.813	4.969	4.669
	PS & PW	5.563	120			0.500	4.563	4.750	4.381
	PS & PW	5.563	160			0.625	4.313	4.531	4.094
	PS & PW	5.563	XX			0.750	4.063	4.313	3.806
6	PS & PW	6.625	5		5S	0.109	6.407	6.496	6.326
	PS & PW	6.625	10		10S	0.134	6.357	6.453	6.265
	PS & PW	6.625				0.188	6.225	6.358	6.132
	PS & PW	6.625	STD	40	40S	0.280	6.065	6.197	5.907
	PS & PW	6.625	XS	80	80S	0.432	5.761	5.931	5.599
	PS & PW	6.625	120			0.562	5.501	5.704	5.300
	PS & PW	6.625	160			0.719	5.187	5.429	4.939
	PS & PW	6.625	XX			0.864	4.897	5.175	4.606
7	PS & PW	7.625	STD	40	40S	0.310	7.005	7.145	6.834
	PS & PW	7.625	XS	80	80S	0.500	6.625	6.812	6.443
	PS & PW	7.625	XX			0.875	5.875	6.156	5.581
8	PS & PW	8.625			5S	0.109	8.407	8.496	8.326
	PS & PW	8.625	10		10S	0.148	8.329	8.428	8.230
	PS & PW	8.625	20			0.250	8.125	8.250	7.981
	PS & PW	8.625	30			0.277	8.071	8.202	7.914
	PS & PW	8.625	STD	40	40S	0.322	7.981	8.124	7.804
	PS & PW	8.625	60			0.406	7.813	7.977	7.598
	PS & PW	8.625	XS	80	80S	0.500	7.625	7.812	7.443
	PS & PW	8.625	100			0.594	7.437	7.648	7.227
	PS & PW	8.625	120			0.719	7.187	7.429	6.939
	PS & PW	8.625	140			0.812	7.001	7.266	6.725
	PS & PW	8.625	XX			0.875	6.875	7.156	6.581
	PS & PW	8.625	160			0.906	6.813	7.102	6.509
9	PS & PW	9.625	STD	40	40S	0.342	8.941	9.121	8.755
	PS & PW	9.625	XS	80	80S	0.500	8.625	8.844	8.443
	PS & PW	9.625	XX			0.875	7.875	8.188	7.581
10	PS & PW	10.750			5S	0.134	10.482	10.610	10.390
	PS & PW	10.750			10S	0.164	10.422	10.557	10.316
	PS & PW	10.750				0.188	10.374	10.515	10.257
	PS & PW	10.750	20			0.250	10.250	10.407	10.106
	PS & PW	10.750	30			0.307	10.136	10.307	9.966
	PS & PW	10.750	STD	40	40S	0.365	10.020	10.205	9.824
	PS & PW	10.750	XS	60	80S	0.500	9.750	9.969	9.493
	PS & PW	10.750	80			0.594	9.562	9.805	9.352
	PS & PW	10.750	100			0.719	9.312	9.586	9.064
	PS & PW	10.750	120			0.844	9.062	9.367	8.777
	PS & PW	10.750	140			1.000	8.750	9.094	8.418
	PS & PW	10.750	160			1.125	8.500	8.875	8.131
11	PS & PW	11.750	STD	40	40S	0.375	11.000	11.188	10.799
	PS & PW	11.750	XS	80	80S	0.500	10.750	10.969	10.493
	PS & PW	11.750	XX			0.875	10.000	10.313	9.706
12	PS & PW	12.750			5S	0.156	12.438	12.571	12.336
	PS & PW	12.750			10S	0.180	12.390	12.529	12.277
	PS & PW	12.750	20			0.250	12.250	12.407	12.106
	PS & PW	12.750	30			0.330	12.090	12.267	11.910
	PS & PW	12.750	STD		40S	0.375	12.000	12.188	11.799
	PS & PW	12.750	40			0.406	11.938	12.134	11.723
	PS & PW	12.750	XS		80S	0.500	11.750	11.969	11.493
	PS & PW	12.750	60			0.562	11.626	11.861	11.341
	PS & PW	12.750	80			0.688	11.374	11.640	11.136
	PS & PW	12.750	100			0.844	11.062	11.367	10.777
	PS & PW	12.750	120			1.000	10.750	11.094	10.418
	PS & PW	12.750	140			1.125	10.500	10.875	10.131
	PS & PW	12.750	160			1.312	10.126	10.548	9.700
14	PS & PW	14.000			10S	0.188	13.624	13.765	13.507
	PS & PW	14.000	10			0.250	13.500	13.657	13.356
	PS & PW	14.000	20			0.312	13.376	13.548	13.204
	PS & PW	14.000	STD	30	40S	0.375	13.250	13.438	13.049
	PS & PW	14.000	40			0.438	13.124	13.328	12.895
	PS & PW	14.000	XS		80S	0.500	13.000	13.219	12.743
	PS & PW	14.000	60			0.594	12.812	13.055	12.513
	PS & PW	14.000	80			0.750	12.500	13.055	12.513
	PS & PW	14.000	100			0.938	12.124	12.782	12.243
	PS & PW	14.000	120			1.094	11.812	12.453	11.811
	PS & PW	14.000	140			1.250	11.500	12.180	11.452
	PS & PW	14.000	160			1.406	11.188	11.907	11.093
16	PS & PW	16.000			10S	0.188	15.624	13.634	12.523
	PS & PW	16.000	10			0.250	15.549	15.765	15.507
	PS & PW	16.000	20			0.312	15.376	15.657	15.356
	PS & PW	16.000	STD	30	40S	0.375	15.250	15.548	15.204
	PS & PW	16.000	XS	40	80S	0.500	15.000	15.438	15.049
	PS & PW	16.000	60			0.656	14.688	15.219	14.743
	PS & PW	16.000	80			0.844	14.312	14.946	14.459
	PS & PW	16.000	100			1.031	13.938	14.617	14.027
	PS & PW	16.000	120			1.219	13.562	14.290	13.597
	PS & PW	16.000	140			1.438	13.124	13.961	13.164
	PS & PW	16.000	160			1.594	12.812	13.578	12.661
18	PS & PW	18.000			10S	0.188	17.624	15.305	14.063
	PS & PW	18.000	10			0.250	17.500	17.765	17.507
	PS & PW	18.000	20			0.312	17.376	17.657	17.356
	PS & PW	18.000	STD		40S	0.375	17.250	17.548	17.204
	PS & PW	18.000	30			0.438	17.124	17.438	17.049
	PS & PW	18.000	XS		80S	0.500	17.000	17.328	16.895
	PS & PW	18.000	40			0.562	16.876	17.219	16.743
	PS & PW	18.000	60			0.750	16.500	17.111	16.591
	PS & PW	18.000	80			0.938	16.124	16.782	16.243
	PS & PW	18.000	100			1.156	15.688	16.453	15.811
	PS & PW	18.000	120			1.375	15.250	16.071	15.309
	PS & PW	18.000	140			1.562	14.876	15.688	14.806
	PS & PW	18.000	160			1.781	14.438	15.361	14.375
20	PW	20.000			10S	0.218	19.564	17.008	15.783
	PW	20.000	10			0.250	19.500	19.744	19.456
	PW	20.000	STD		40S	0.375	19.250	19.688	19.381
	PW	20.000	XS		80S	0.500	19.000	19.469	19.087
	PW	20.000	40			0.594	18.812	19.250	18.793
	PW	20.000	60			0.812	18.376	19.086	18.572
	PW	20.000	80			1.031	17.938	18.704	18.060
	PW	20.000	100			1.281	17.438	18.321	17.545
	PW	20.000	120			1.500	17.000	17.883	16.958
	PW	20.000	140			1.750	16.500	17.500	16.443
	PW	20.000	160			1.969	16.062	17.063	15.856
20	PS	20.000			10S	0.218	19.564	19.250	18.743
	PS	20.000	10			0.250	19.500	19.744	19.434
	PS	20.000	STD		40S	0.375	19.250	19.688	19.356
	PS	20.000	XS		80S	0.500	19.000	19.469	19.049
	PS	20.000	40			0.594	18.812	19.250	18.743
	PS	20.000	60			0.812	18.376	19.086	18.513
	PS	20.000	80			1.031	17.938	18.704	18.100
	PS	20.000	100			1.281	17.438	18.321	17.597
	PS	20.000	120			1.500	17.000	17.883	17.022
	PS	20.000	140			1.750	16.500	17.500	16.518
	PS	20.000	160			1.969	16.062	17.063	15.943
22	PW	22.000	10		10S	0.250	21.500	18.679	17.341
	PW	22.000	STD	20	40S	0.375	21.250	21.688	21.381
	PW	22.000	XS	30	80S	0.500	21.000	21.469	21.087
	PW	22.000	60			0.875	20.250	21.250	20.793
	PW	22.000	80			1.125	19.750	20.594	19.912
	PW	22.000	100			1.375	19.250	20.156	19.324
	PW	22.000	120			1.626	18.749	19.719	18.737
	PW	22.000	140			1.875	18.250	19.280	18.148
	PW	22.000	160			2.125	17.750	18.844	17.562
22	PS	22.000	10		10S	0.250	21.500	18.679	17.144
	PS	22.000	STD	20	40S	0.375	21.250	21.688	21.356
	PS	22.000	XS	30	80S	0.500	21.000	21.469	21.049
	PS	22.000	60			0.875	20.250	21.250	20.743
	PS	22.000	80			1.125	19.750	20.594	19.956
	PS	22.000	100			1.375	19.250	20.156	19.381
	PS	22.000	120			1.626	18.749	19.719	18.806
	PS	22.000	140			1.875	18.250	19.280	18.229
	PS	22.000	160			2.125	17.750	18.844	17.656
24	PW	24.000	10		10S	0.250	23.500	20.406	18.974
	PW	24.000	STD	20	40S	0.375	23.250	23.688	23.381
	PW	24.000	XS		80S	0.500	23.000	23.469	23.087
	PW	24.000	30			0.562	22.876	23.250	22.793
	PW	24.000	40			0.688	22.624	23.142	22.647
	PW	24.000	60			0.969	22.062	22.921	22.351
	PW	24.000	80			1.219	21.562	22.429	21.691
	PW	24.000	100			1.531	20.938	21.992	21.103
	PW	24.000	120			1.812	20.376	21.446	20.370
	PW	24.000	140			2.062	19.876	20.954	19.710
	PW	24.000	160			2.344	19.312	20.517	19.122
24	PS	24.000	10		10S	0.250	23.500	20.406	18.762
	PS	24.000	STD	20	40S	0.375	23.250	23.688	23.356
	PS	24.000	XS		80S	0.500	23.000	23.469	23.049
	PS	24.000	30			0.562	22.876	23.250	22.743
	PS	24.000	40			0.688	22.624	23.142	22.591
	PS	24.000	60			0.969	22.062	22.921	22.282
	PS	24.000	80			1.219	21.562	22.429	21.739
	PS	24.000	100			1.531	20.938	21.992	21.164
	PS	24.000	120			1.812	20.376	21.446	20.447
	PS	24.000	140			2.062	19.876	20.954	19.800
	PS	24.000	160			2.344	19.312	20.517	19.225
26	PW	26.000		10		0.312	25.376	22.023	20.460
	PW	26.000	STD		40S	0.375	25.250	25.579	25.235
	PW	26.000	XS		80S	0.500	25.000	25.469	25.087
26	PS	26.000		10		0.312	25.376	22.023	20.225
	PS	26.000	STD		40S	0.375	25.250	25.579	25.204
	PS	26.000	XS		80S	0.500	25.000	25.469	25.049
28	PW	28.000		10		0.312	27.376	27.282	26.793
	PW	28.000	STD		40S	0.375	27.250	27.611	27.235
	PW	28.000	XS	20	80S	0.500	27.000	27.501	27.087
	PW	28.000		30		0.625	26.750	27.282	26.793
28	PS	28.000		10		0.312	27.376	27.282	26.743
	PS	28.000	STD		40S	0.375	27.250	27.611	27.204
	PS	28.000	XS	20	80S	0.500	27.000	27.501	27.049
	PS	28.000		30		0.625	26.750	27.282	26.743
30	PW	30.000		10		0.312	29.376	29.063	28.499
	PW	30.000	STD		40S	0.375	29.250	29.611	29.235
	PW	30.000		20	80S	0.500	29.000	29.501	29.087
	PW	30.000		30		0.625	28.750	29.282	28.793
30	PS	30.000		10		0.312	29.376	29.063	28.437
	PS	30.000	STD		40S	0.375	29.250	29.611	29.204
	PS	30.000		20	80S	0.500	29.000	29.501	29.049
	PS	30.000		30		0.625	28.750	29.282	28.743
32	PW	32.000		10		0.312	31.376	31.063	30.499
	PW	32.000		20		0.375	31.250	31.611	31.235
	PW	32.000	STD			0.500	31.000	31.501	31.087
	PW	32.000		30		0.625	30.750	31.282	30.793
	PW	32.000		40		0.688	30.624	31.063	30.499
32	PS	32.000		10		0.312	31.376	31.063	30.437
	PS	32.000		20		0.375	31.250	31.611	31.204
	PS	32.000	STD			0.500	31.000	31.501	31.049
	PS	32.000		30		0.625	30.750	31.282	30.743
	PS	32.000		40		0.688	30.624	31.063	30.437
34	PW	34.000		10		0.312	33.376	32.953	32.351
	PW	34.000	STD			0.375	33.250	33.611	33.235
	PW	34.000		20		0.500	33.000	33.501	33.087
	PW	34.000		30		0.625	32.750	33.282	32.793
	PW	34.000		40		0.688	32.624	33.063	32.499
34	PS	34.000		10		0.312	33.376	32.953	32.282
	PS	34.000	STD			0.375	33.250	33.611	33.204
	PS	34.000		20		0.500	33.000	33.501	33.049
	PS	34.000		30		0.625	32.750	33.282	32.743
	PS	34.000		40		0.688	32.624	33.063	32.437
36	PW	36.000		10		0.312	35.376	34.984	34.351
	PW	36.000	STD		40S	0.375	35.250	35.642	35.235
	PW	36.000	XS		80S	0.500	35.000	35.532	35.087
36	PS	36.000		10		0.312	35.376	34.984	34.282
	PS	36.000	STD		40S	0.375	35.250	35.642	35.204
	PS	36.000	XS		80S	0.500	35.000	35.532	35.049
42	PW	42.000	STD		40S	0.375	41.250	41.313	40.793
	PW	42.000	XS		80S	0.500	41.000	41.532	41.087
	PW	42.000		30		0.625	40.750	41.313	40.793
	PW	42.000		40		0.750	40.500	41.094	40.499
42	PS	42.000	STD		40S	0.375	41.250	41.313	40.743
	PS	42.000	XS		80S	0.500	41.000	41.532	41.049
	PS	42.000		30		0.625	40.750	41.313	40.743
	PS	42.000		40		0.750	40.500	41.094	40.437
48	PW	48.000	STD		40S	0.375	47.250	46.876	46.206
48	PW	48.000	XS		80S	0.500	47.000	47.532	47.087
48	PS	48.000	STD		40S	0.375	47.250	46.876	46.131
48	PS	48.000	XS		80S	0.500	47.000	47.532	47.049

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