Schedule 120 Steel Pipe

Schedule 120 Steel Pipe Dimension

Nominal size [mm]	Outside diameter [mm]	Outside diameter [mm]	Wall thickness [mm]	Wall thickness [mm]	Weight [lb/ft]	Weight [kg/m]
8 mm	8.625 mm	219.1 MM	0.594 mm	15.09 MM	50.95 lb/ft	75.92 kg/m
10 mm	10.750 mm	273.0 MM	0.719 mm	18.26 MM	77.03 lb/ft	114.75 kg/m
12 mm	12.750 mm	323.8 MM	0.844 mm	21.44 MM	107.32 lb/ft	159.91 kg/m
14 mm	14.000 mm	355.6 MM	0.938 mm	23.83 MM	130.85 lb/ft	194.96 kg/m
16 mm	16.000 mm	406.4 MM	1.031 mm	26.19 MM	164.82 lb/ft	245.56 kg/m
18 mm	18.000 mm	457.0 MM	1.156 mm	29.36 MM	207.96 lb/ft	309.62 kg/m
20 mm	20.000 mm	508.0 MM	1.281 mm	32.54 MM	256.10 lb/ft	381.53 kg/m
22 mm	22.000 mm	559.0 MM	1.375 mm	34.93 MM	302.88 lb/ft	451.42 kg/m
24 mm	24.000 mm	610.0 MM	1.531 mm	38.89 MM	367.39 lb/ft	547.71 kg/m

Schedule 120 Pipes Pressure Rating

Maximum Allowable Pressure (psi) (kPa)
NPS	Outside Diameter	Schedule
(mm)	(mm) (mm)	10	20	30	STD	40	60	XS	80	100	120	140	160	XXS
1/4 mm	0.54 mm 13.7 mm				7985 55057	7985 55057		10798 74452	10798 74452
3/8 mm	0.675 mm 17.1 mm				6606 45548	6606 45548		9147 63069	9147 63069
1/2 mm	0.84 mm 21.3 mm				6358 43838	6358 43838		8575 59125	8575 59125				10908 75211	17150 118249
3/4 mm	1.05 mm 26.7 mm				5273 36357	5273 36357		7187 49554	7187 49554				10220 70467	14373 99102
1 mm	1.315 mm 33.4 mm				4956 34172	4956 34172		6670 45990	6670 45990				9316 64234	13340 91979
1 1/4 mm	1.66 mm 42.2 mm				4133 28497	4133 28497		5638 38874	5638 38874				7380 50885	11276 77748
1 1/2 mm	1.9 mm 48.3 mm				3739 25780	3739 25780		5158 35564	5158 35564				7247 49968	10316 71129
2 mm	2.375 mm 60.3 mm				3177 21905	3177 21905		4498 31014	4498 31014				7097 48934	8995 62021
2 1/2 mm	2.875 mm 73 mm				3460 23857	3460 23857		4704 32434	4704 32434				6391 44066	9408 64868
3 mm	3.5 mm 88.9 mm				3024 20850	3024 20850		4200 28959	4200 28959				6132 42280	8400 57918
3 1/2 mm	4 mm 102 mm				2769 19092	2769 19092		3896 26863	3896 26863
4 mm	4.5 mm 114 mm				2581 17796	2581 17796		3670 25305	3670 25305		4769 32882		5782 39867	7339 50602
5 mm	5.563 mm 141 mm				2273 15672	2273 15672		3303 22774	3303 22774		4404 30366		5505 37957	6606 45548
6 mm	6.625 mm 168 mm				2071 14280	2071 14280		3195 22030	3195 22030		4157 28663		5318 36668	6390 44059
8 mm	8.625 mm 219 mm		1420 9791	1574 10853	1829 12611	1829 12611	2307 15907	2841 19589	2841 19589	3375 23271	4085 28166	4613 31807	5147 35489	4971 34275
10 mm	10.75 mm 273 mm		1140 7860	1399 9646	1664 11473	1664 11473	2279 15714	2279 15714	2708 18672	3277 22595	3847 26525	4558 31427	5128 35358	4558 31427
12 mm	12.75 mm 324 mm		961 6626	1268 8743	1441 9936	1560 10756	2160 14893	1922 13252	2644 18230	3244 22367	3843 26497	4324 29814	5042 34765	3843 26497
14 mm	14 mm 356 mm	875 6033	1092 7529	1313 9053	1313 9053	1533 10570	2079 14335	1750 12066	2625 18099	3283 22636	3829 26401	4375 30166	4921 33930
16 mm	16 mm 406 mm	766 5282	956 6592	1148 7915	1148 7915	1531 10556	2009 13852	1531 10556	2585 17824	3157 21768	3733 25739	4404 30366	4882 33661
18 mm	18 mm 457 mm	681 4695	849 5854	1192 8219	1021 7040	1530 10549	2042 14080	1361 9384	2553 17603	3147 21699	3743 25808	4252 29318	4848 33427
20 mm	20 mm 508 mm	613 4227	919 6337	1225 8446	919 6337	1455 10032	1989 13714	1225 8446	2526 17417	3138 21637	3675 25339	4288 29566	4824 33261
22 mm	22 mm 559 mm	557 3841	835 5757	1114 7681	835 5757		1949 13438	1114 7681	2506 17279	3063 21119	3619 24953	4176 28794	4733 32634
24 mm	24 mm 610 mm	510 3516	766 5282	1147 7909	766 5282	1405 9687	1978 13638	1021 7040	2489 17162	3126 21554	3700 25512	4210 29028	4786 32999
30 mm	30 mm 762 mm	510 3516	817 5633	1021 7040	613 4227			817 5633
32 mm	32 mm 813 mm	478 3296	766 5282	957 6599	574 3958	1054 7267
34 mm	34 mm 864 mm	450 3103	721 4971	901 6212	540 3723	992 6840
36 mm	36 mm 914 mm	425 2930	681 4695	851 5868	510 3516	1021 7040
42 mm	42 mm 1067 mm		583 4020	729 5026	438 3020	875 6033

Sizes of Schedule 120 pipes

NPS	1/2	3/4	1	1¼	1½	2	2½	3	3½	4
DN	15	20	25	32	40	50	65	80	90	100

Schedule 120 Steel Pipe

Schedule 120 Steel Pipe Dimension

Schedule 120 Pipes Pressure Rating

Sizes of Schedule 120 pipes

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