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Schedule 120 Carbon Steel Pipe

Check schedule 120 pipe thickness, dimensions and pressure rating

Schedule 120 Carbon Steel Pipe is a pressure capacity and dimension specification. CS pipes are made and distributed in different grades of the carbon material. Reliable Pipes Tubes Ltd. is a leading manufacturer and supplier of the carbon steel pipe products. The Schedule 120 Carbon Pipe is one of the schedules available in pipes. The schedules range from 5, 10 and up to 160. The schedules are determined by the pipe’s outer diameter, wall thickness and the pressure containment capacity. The Schedule 120 Pipe can range from 4 inches to 24 inches in nominal size.

The outer diameter could range up to 24 inches as well. The wall thickness of the pipe in this category ranges from 11.13mm to 46.02mm. The different grades of carbon steel material have different pressure capacities for the same size of pipes. That’s why the Schedule 120 Pipe can range in diameter and wall thickness based on the grading of the material. The pipes are used in mild to high pressure applications. The applications include gas and liquid transportation in most industries. Most carbon steels are not recommended for corrosive services, but they are tough. So the Sch 120 Pipe is used in non – corrosive or general corrosive3 services with less reactive ingredients. The toughness of the pipes makes them available to the construction and automotive industry as well. Please contact us for more information and the Schedule 120 Steel Pipe Dimensions chart.

 

Pipe schedule 120 chart, dimensions, weight and pipe wall thickness


Pipes schedule 120 chart gives dimensions of steel pipes schedule 120. Chart includes sizes in inches and in millimeters
.


Nominal size [inches] Outside diameter [inches] Outside diameter [mm] Wall thickness [inches] Wall thickness [mm] Weight [lb/ft] Weight [kg/m]
4 4.500 114.3 0.438 11.13 19.00 28.32
5 5.563 141.3 0.500 12.7 27.04 40.28
6 6.625 168.3 0.562 14.27 36.39 54.20
8 8.625 219.1 0.719 18.26 60.71 90.44
10 10.750 273.0 0.844 21.44 89.29 133.06
12 12.750 323.8 1.000 25.4 125.49 186.97
14 14.000 355.6 1.094 27.79 150.79 224.65
16 16.000 406.4 1.219 30.96 192.43 286.64
18 18.000 457.0 1.375 34.93 244.14 363.56
20 20.000 508.0 1.500 38.10 296.37 441.49
22 22.000 559.0 1.625 41.28 353.61 527.02
24 24.000 610.0 1.812 46.02 429.39 640.03
 
Schedule 120 Steel Pipe Pressure Rating

Maximum Allowable Pressure (psi)  (kPa)
NPS Outside Diameter Schedule
(in) (in)
(mm)
10 20 30 STD 40 60 XS 80 100 120 140 160 XXS
1/4 0.54
13.7
7985
55057
7985
55057
10798
74452
10798
74452
3/8 0.675
17.1
6606
45548
6606
45548
9147
63069
9147
63069
1/2 0.84
21.3
6358
43838
6358
43838
8575
59125
8575
59125
10908
75211
17150
118249
3/4 1.05
26.7
5273
36357
5273
36357
7187
49554
7187
49554
10220
70467
14373
99102
1 1.315
33.4
4956
34172
4956
34172
6670
45990
6670
45990
9316
64234
13340
91979
1 1/4 1.66
42.2
4133
28497
4133
28497
5638
38874
5638
38874
7380
50885
11276
77748
1 1/2 1.9
48.3
3739
25780
3739
25780
5158
35564
5158
35564
7247
49968
10316
71129
2 2.375
60.3
3177
21905
3177
21905
4498
31014
4498
31014
7097
48934
8995
62021
2 1/2 2.875
73
3460
23857
3460
23857
4704
32434
4704
32434
6391
44066
9408
64868
3 3.5
88.9
3024
20850
3024
20850
4200
28959
4200
28959
6132
42280
8400
57918
3 1/2 4
102
2769
19092
2769
19092
3896
26863
3896
26863
4 4.5
114
2581
17796
2581
17796
3670
25305
3670
25305
4769
32882
5782
39867
7339
50602
5 5.563
141
2273
15672
2273
15672
3303
22774
3303
22774
4404
30366
5505
37957
6606
45548
6 6.625
168
2071
14280
2071
14280
3195
22030
3195
22030
4157
28663
5318
36668
6390
44059
8 8.625
219
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 10.75
273
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 12.75
324
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 14
356
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 16
406
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 18
457
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 20
508
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 22
559
557
3841
835
5757
1114
7681
835
5757
1949
13438
1114
7681
2506
17279
3063
21119
3619
24953
4176
28794
4733
32634
24 24
610
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 30
762
510
3516
817
5633
1021
7040
613
4227
817
5633
32 32
813
478
3296
766
5282
957
6599
574
3958
1054
7267
34 34
864
450
3103
721
4971
901
6212
540
3723
992
6840
36 36
914
425
2930
681
4695
851
5868
510
3516
1021
7040
42 42
1067
583
4020
729
5026
438
3020
875
6033
  • 1 in (inch) = 25.4 mm
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895x10-2 bar

 

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