Schedule 80 Steel Pipe

Schedule 80 steel pipe dimensions in mm

Nominal size [mm] Outside diameter [mm] Outside diameter [mm] Wall thickness [mm] Wall thickness [mm] Weight [lb/ft] Weight [kg/m]
1/2 0.840 21.3 0.083 2.11 0.68 1.00
3/4 1.050 26.7 0.083 2.11 0.87 1.29
1 1.315 33.4 0.109 2.77 1.41 2.11
1 1/4 1.660 42.2 0.109 2.77 1.82 2.71
1 1/2 1.900 48.3 0.109 2.77 2.1 3.13
2 2.375 60.3 0.109 2.77 2.66 3.96
2 1/2 2.875 73.0 0.120 3.05 3.56 5.29
3 3.500 88.9 0.120 3.05 4.37 6.50
3 1/2 4.000 101.6 0.120 3.05 5.01 7.46
4 4.500 114.3 0.120 3.05 5.66 8.42
5 5.563 141.3 0.134 3.40 7.82 11.64
6 6.625 168.3 0.134 3.40 9.35 13.91
8 8.625 219.1 0.148 3.76 13.50 20.10
10 10.750 273.1 0.165 4.19 18.79 27.96
12 12.750 323.9 0.180 4.57 24.34 36.22
14 14.000 355.6 0.188 4.78 27.97 41.62
16 16.000 406.4 0.188 4.78 32.02 47.65
18 18.000 457.0 0.188 4.78 36.05 53.65
20 20.000 508.0 0.218 5.54 46.42 69.09
22 22.000 559.0 0.218 5.54 51.14 76.10
24 24.000 610.0 0.250 6.35 63.93 95.13
30 30.000 762.0 0.312 7.92 99.60 148.22

SCH 80 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 7985 55057 7985 55057 10798 74452 10798 74452
3/8 mm 0.675 mm 17.1 6606 45548 6606 45548 9147 63069 9147 63069
1/2 mm 0.84 mm 21.3 6358 43838 6358 43838 8575 59125 8575 59125 10908 75211 17150 118249
3/4 mm 1.05 mm 26.7 5273 36357 5273 36357 7187 49554 7187 49554 10220 70467 14373 99102
1 mm 1.315 mm 33.4 4956 34172 4956 34172 6670 45990 6670 45990 9316 64234 13340 91979
1 1/4 mm 1.66 mm 42.2 4133 28497 4133 28497 5638 38874 5638 38874 7380 50885 11276 77748
1 1/2 mm 1.9 mm 48.3 3739 25780 3739 25780 5158 35564 5158 35564 7247 49968 10316 71129
2 mm 2.375 mm 60.3 3177 21905 3177 21905 4498 31014 4498 31014 7097 48934 8995 62021
2 1/2 mm 2.875 mm 73 3460 23857 3460 23857 4704 32434 4704 32434 6391 44066 9408 64868
3 mm 3.5 mm 88.9 3024 20850 3024 20850 4200 28959 4200 28959 6132 42280 8400 57918
3 1/2 mm 4 mm 102 2769 19092 2769 19092 3896 26863 3896 26863
4 mm 4.5 mm 114 2581 17796 2581 17796 3670 25305 3670 25305 4769 32882 5782 39867 7339 50602
5 mm 5.563 mm 141 2273 15672 2273 15672 3303 22774 3303 22774 4404 30366 5505 37957 6606 45548
6 mm 6.625 mm 168 2071 14280 2071 14280 3195 22030 3195 22030 4157 28663 5318 36668 6390 44059
8 mm 8.625 mm 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 mm 10.75 mm 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 mm 12.75 mm 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 mm 14 mm 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 mm 16 mm 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 mm 18 mm 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 mm 20 mm 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 mm 22 mm 559 557 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 610 510 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 762 510 3516 817 5633 1021 7040 613 4227 817 5633
32 mm 32 mm 813 478 3296 766 5282 957 6599 574 3958 1054 7267
34 mm 34 mm 864 450 3103 721 4971 901 6212 540 3723 992 6840
36 mm 36 mm 914 425 2930 681 4695 851 5868 510 3516 1021 7040
42 mm 42 mm 1067 583 4020 729 5026 438 3020 875 6033

Schedule 80 Pipes Sizes

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