------+-------+------+------+--------+--------+--------+--------+
| | | | | | | |
| | | | | | Length | Length |
| | | | | | of pipe| of pipe|
| | | | | | per | per |
Inside| Actual| |Actual| | | square | square |
diam-|outside| |Inside|External|Internal| foot of| foot of|
eter | Diam- |Thick-| Diam-| circum-| circum-| outside| inside |
nom. | eter. | ness.| eter.|ference.|ference.|surface.|surface.|
------+-------+------+------+--------+--------+--------+--------+
¹⁄₈ | .405| .068 | 0.269| 1.272 | 0.848 | 9.440 | 14.15 |
¹⁄₄ | .54 | .088 | 0.364| 1.696 | 1.144 | 7.075 | 10.50 |
³⁄₈ | .675| .091 | 0.493| 2.121 | 1.552 | 5.657 | 7.67 |
¹⁄₂ | .840| .109 | 0.622| 2.652 | 1.957 | 4.502 | 6.13 |
³⁄₄ | 1.050| .113 | 0.824| 3.299 | 2.589 | 3.637 | 4.635 |
1 | 1.315| .134 | 1.047| 4.134 | 3.292 | 2.903 | 3.679 |
1¹⁄₄ | 1.660| .140 | 1.38 | 5.215 | 4.335 | 2.301 | 2.768 |
1¹⁄₂ | 1.90 | .145 | 1.61 | 5.969 | 5.061 | 2.010 | 2.371 |
2 | 2.375| .154 | 2.067| 7.461 | 6.494 | 1.611 | 1.848 |
2¹⁄₂ | 2.875| .204 | 2.467| 9.032 | 7.754 | 1.328 | 1.547 |
3 | 3.50 | .217 | 3.066| 10.996 | 9.636 | 1.091 | 1.245 |
3¹⁄₂ | 4.0 | .226 | 3.548| 12.566 | 11.146 | .955 | 1.077 |
4 | 4.50 | .237 | 4.026| 14.137 | 12.648 | .849 | 0.949 |
4¹⁄₂ | 5.0 | .247 | 4.506| 15.708 | 14.153 | .765 | 0.848 |
5 | 5.563| .259 | 5.045| 17.475 | 15.849 | .629 | 0.757 |
6 | 6.625| .280 | 5.065| 20.813 | 19.054 | .577 | 0.630 |
7 | 7.625| .301 | 7.023| 23.954 | 22.063 | .505 | 0.544 |
8 | 8.625| .322 | 7.981| 27.096 | 25.076 | .444 | 0.478 |
9 | 9.688| .344 | 9.00 | 30.433 | 28.277 | .394 | 0.425 |
10 | 10.750| .366 |10.018| 33.772 | 31.475 | .355 | 0.381 |
------+-------+------+------+--------+--------+--------+--------+
------+------+-------+-------+-------+-------+------
| | | | | |
| | | Length| | |
| | |of pipe| | |
| | | con- | Weight|No. of |
Inside| | Actual|taining| per |threads|Length
diam-| Ex- | in- | one | foot | per | per-
eter |ternal| ternal| cubic | of |Inch of| fect
nom. | area.| area. | foot. |length.| screw.|screw.
------+------+-------+-------+-------+-------+------
¹⁄₈ | .129| .0572|2500. | .243| 27 | 0.19
¹⁄₄ | .229| .1041|1385. | .422| 18 | 0.29
³⁄₈ | .358| .1916| 751.5 | .561| 18 | 0.30
¹⁄₂ | .554| .3048| 472.4 | .845| 14 | 0.39
³⁄₄ | .866| .5333| 270.0 | 1.126| 14 | 0.40
1 | 1.357| .8627| 166.9 | 1.670| 11¹⁄₂ | 0.51
1¹⁄₄ | 2.164| 1.496 | 96.25| 2.258| 11¹⁄₂ | 0.54
1¹⁄₂ | 2.835| 2.038 | 70.65| 2.694| 11¹⁄₂ | 0.55
2 | 4.430| 3.355 | 42.36| 3.667| 11¹⁄₂ | 0.58
2¹⁄₂ | 6.491| 4.783 | 30.11| 5.773| 8 | 0.89
3 | 9.621| 7.388 | 19.40| 7.547| 8 | 0.95
3¹⁄₂ |12.566| 9.837 | 14.56| 9.055| 8 | 1.00
4 |15.901|12.730 | 11.31| 10.728| 8 | 1.05
4¹⁄₂ |19.635|15.939 | 9.03| 12.492| 8 | 1.10
5 |24.299|19.990 | 7.20| 14.564| 8 | 1.16
6 |34.471|28.889 | 4.98| 18.767| 8 | 1.26
7 |45.663|38.737 | 3.72| 23.410| 8 | 1.36
8 |58.426|50.039 | 2.88| 28.348| 8 | 1.46
9 |73.715|63.633 | 2.26| 34.677| 8 | 1.57
10 |90.762|78.838 | 1.80| 40.641| 8 | 1.68
------+------+-------+-------+-------+-------+------
Thread taper three-fourths inch to one foot.
All pipe below 1¹⁄₂ inches is butt-welded, and proved to 300 pounds per
square inch; 1¹⁄₂ inch and above is lap-welded and proved to 500 pounds
per square inch.