Related Resources: fluid flow
Allowable Working Pressures for Carbon Steel Piping
Fluid Flow Hydraulic and Pneumatic Engineering and Design Menu
Allowable Working Pressures for Carbon Steel Piping
Pipe size |
Schedule |
Allowable internal working pressure, psig |
Allowable external working pressure, psig |
|
NPS |
DN |
number |
||
1/8 |
3 |
40 |
1890 |
2070 |
80 |
3510 |
2860 |
||
1/4 |
6 |
40 |
1490 |
2000 |
80 |
2880 |
2700 |
||
3/8 |
10 |
40 |
1300 |
1660 |
80 |
2500 |
2280 |
||
1/2 |
15 |
40 |
1126 |
1580 |
80 |
2210 |
2140 |
||
3/4 |
20 |
40 |
994 |
1320 |
80 |
1890 |
1800 |
||
1 |
25 |
40 |
866 |
1210 |
80 |
1680 |
1670 |
||
1 -1/4 |
32 |
40 |
773 |
980 |
80 |
1470 |
1410 |
||
1 -1/2 |
40 |
40 |
740 |
890 |
80 |
1390 |
1270 |
||
2 |
50 |
40 |
670 |
750 |
2 -1/2 |
65 |
40 |
665 |
810 |
3 |
80 |
40 |
624 |
700 |
3 -1/2 |
90 |
40 |
600 |
640 |
4 |
100 |
40 |
580 |
580 |
6 |
150 |
40 |
534 |
450 |
8 |
200 |
40 |
515 |
390 |
10 |
250 |
40 |
496 |
340 |
12 |
300 |
40 |
436 |
260 |
Related:
- Xtra Strong (XS) Size Steel Pipe Weights Table Calculator
- Double Xtra Strong (XXS) Size Steel Pipe Weights Calculator
- Pipe Roughness Coefficients Table Charts | Hazen-Williams Coefficient | Manning Factor
- Allowable Stresses for Pipe and Tube B36.10M
- Standard Size Steel Pipe Weights Calculator
- Schedule 40 Steel Pipe Sizes & Dimensions ANSI
- Schedule 80 Steel Pipe Sizes and Dimensions ANSI
- Standard Pipe Schedules and Sizes Chart Table Data
Reference:
- Reproduced from M. L. Nayyar, Piping Handbook, 7th ed., New York, McGraw-Hill, 2000.