Steel Pipe Specifications Schedule 40
Manufactured per ASME B36.10
All weights and dimensions are nominal.
Standard (Std) Weight Schedule 40 | ||||||
|---|---|---|---|---|---|---|
| Nominal Size (IPS) |
Diameter External (Inches) |
Diameter Internal (Inches) |
Wall Thickness (Inches) |
Weight Per Foot Plain Ends (Pounds) |
Internal Area (Sq. In.) |
GPM at 10 ft/sec (Velocity) |
| 1/8" | .405 | .269 | .068 | .244 | .057 | 1.8 |
| 1/4" | .540 | .364 | .088 | .424 | .104 | 3.2 |
| 3/8" | .675 | .493 | .091 | .567 | .191 | 6.05 |
| 1/2" | .840 | .622 | .109 | .852 | .304 | 9.5 |
| 3/4" | 1.050 | .824 | .113 | 1.130 | .533 | 16.6 |
| 1" | 1.315 | 1.049 | .133 | 1.678 | .864 | 26.9 |
| 1-1/4" | 1.660 | 1.380 | .140 | 2.272 | 1.495 | 46.6 |
| 1-1/2" | 1.900 | 1.610 | .145 | 2.717 | 2.036 | 63.5 |
| 2" | 2.375 | 2.067 | .154 | 3.652 | 3.355 | 105.0 |
| 2-1/2" | 2.875 | 2.469 | .203 | 5.793 | 4.788 | 149.0 |
| 3" | 3.500 | 3.068 | .216 | 7.575 | 7.393 | 230.0 |
| 3-1/2" | 4.000 | 3.548 | .226 | 9.109 | 9.886 | 308.0 |
| 4" | 4.500 | 4.026 | .237 | 10.79 | 12.73 | 397.0 |
| 5" | 5.563 | 5.047 | .258 | 14.62 | 20.01 | 623.0 |
| 6" | 6.625 | 6.065 | .280 | 18.97 | 28.89 | 900.0 |