Wrought Steel Pipe Bursting Pressure
Reference data and engineering information about wrought steel pipe bursting pressure for material properties applications.
wroughtsteelpipebursting
Overview
Engineering reference data for Wrought Steel Pipe Bursting Pressure in material science and properties.
Key Formulas
Stress
Force per unit area.
Strain
Change in length per original length.
Hooke's Law
Stress proportional to strain in elastic region.
Thermal Expansion
Length change due to temperature.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Stress | Pa | |
| Strain | — | |
| Young's modulus | Pa | |
| Thermal expansion coefficient | 1/°C | |
| Temperature change | °C |
Pressure Ratings by Pipe Schedule
The bursting pressures are calculated using Barlow's formula. Working pressures are derived by applying a *safety factor of 8 to the bursting pressure values.
Standard Weight (STD) — Schedule 40
17 rows
Pipe Size(in) | 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 |
Source: engineeringtoolbox.com
Extra Strong (XS) — Schedule 80
17 rows
Pipe Size(in) | 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 |
Source: engineeringtoolbox.com
Double Extra Strong (XXS)
14 rows
Pipe Size(in) | 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 |
Source: engineeringtoolbox.com
Pressure Unit Conversions
The following conversion factors apply when converting from psi to other pressure units:
| From 1 psi | Equivalent |
|---|---|
| Pa (N/m²) | 6,894.8 |
| N/mm² | |
| bar | |
| in H₂O at 61 °F | 27.71 |
| mm H₂O at 61 °F | 703.1 |
| in mercury at 61 °F | 2.0416 |
| mm mercury at 61 °F | 51.8 |
| kg/m² | 703.6 |
| atm | 0.06895 |
| ft H₂O | 2.307 |