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Black Pipe |
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| Pipe Size (Nominal Inside Dimension) | Schedule 40(Standard) - Schedule 80 (Heavy) | Wall Thickness |
Outside Dimension** **Please note: the outside dimension is the same for both schedule 40 and schedule 80 pipe |
Inside Dimension | Lbs./Ft. |
| .125 | 40 | .068 | .405 | .24 | |
| 80 | .095 | .3145 | |||
| .250 | 40 | .088 | .54 | .42 | |
| 80 | .119 | .54 | |||
| .375 | 40 | .091 | .675 | .57 | |
| 80 | .126 | .675 | |||
| .500 | 40 | .109 | .840 |
| Pipe Size (Nominal Inside Dimension) Schedule 40(Standard) - Schedule 80 (Heavy) Wall Thickness |