Wrought Steel Pipes - Bursting Pressures vs. Size
The bursting pressures are based on Barlow's formula. The working pressures are based on factor 8.
Dimensions according ASME/ANSI B36.10/19.
Standard Wrought Steel Pipes - STD - Schedule 40
| Pipe Dimension (inches) | Bursting Pressure (psi) | Working Pressure (psi) |
|---|---|---|
| 1/2 | 10380 | 1300 |
| 3/4 | 8610 | 1080 |
| 1 | 8090 | 1010 |
| 1 1/4 | 6745 | 840 |
| 1 1/2 | 6100 | 760 |
| 2 | 5185 | 650 |
| 2 1/2 | 5650 | 710 |
| 3 | 4940 | 620 |
| 3 1/2 | 5610 | 700 |
| 4 | 5270 | 660 |
| 5 | 4630 | 580 |
| 6 | 4220 | 530 |
| 7 | 3940 | 490 |
| 8 | 3720 | 470 |
| 9 | 3540 | 445 |
| 10 | 3380 | 420 |
| 12 | 2930 | 370 |
- 1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895x10-3 N/mm2 = 6.895x10-2 bar = 27.71 in H2O at 62oF (16.7oC) = 703.1 mm H2O at 62oF (16.7oC) = 2.0416 in mercury at 62oF (16.7oC) = 51.8 mm mercury at 62oF (16.7oC) = 703.6 kg/m2 = 0.06895 atm = 2.307 Ft. H2O
Extra Strong Wrought Steel Pipes - XS - Schedule 80
| Pipe Dimension (inches) | Bursting Pressure (psi) | Working Pressure (psi) |
|---|---|---|
| 1/2 | 14000 | 1750 |
| 3/4 | 11730 | 1470 |
| 1 | 10890 | 1360 |
| 1 1/4 | 9200 | 1150 |
| 1 1/2 | 8420 | 1050 |
| 2 | 7340 | 920 |
| 2 1/2 | 7680 | 955 |
| 3 | 6860 | 860 |
| 3 1/2 | 7950 | 990 |
| 4 | 7480 | 940 |
| 5 | 6740 | 840 |
| 6 | 6510 | 810 |
| 7 | 6540 | 820 |
| 8 | 5770 | 720 |
| 9 | 5185 | 650 |
| 10 | 4645 | 580 |
| 12 | 3910 | 490 |
Double Extra Strong Wrought Steel Pipes - XXS
| Pipe Dimension (inches) | Bursting Pressure (psi) | Working Pressure (psi) |
|---|---|---|
| 1/2 | 28000 | 3500 |
| 3/4 | 23460 | 2930 |
| 1 | 21780 | 2720 |
| 1 1/4 | 18400 | 2300 |
| 1 1/2 | 16840 | 2110 |
| 2 | 14680 | 1840 |
| 2 1/2 | 15355 | 1920 |
| 3 | 13710 | 1710 |
| 3 1/2 | 15900 | 1990 |
| 4 | 14965 | 1870 |
| 5 | 13475 | 1690 |
| 6 | 13035 | 1630 |
| 7 | 11465 | 1430 |
| 8 | 10140 | 1270 |
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