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Steel Pipes Dimensions - ANSI Schedule 80 

Internal and external diameters, areas, weights, volumes and number of threads for schedule 80 steel pipes

Pipe Size
(inches)		 Diameter
(inches)		 Nominal Thickness
(inches)		 Transverse Areas 
(sq. inches)		 Length of Pipe 
(per sq. foot of) 		Volume
(Cubic feet pr. foot)		 Weight Number of Threads per inch of Screw
External Internal External Internal Steel External Surface
(feet) 		Internal Surface
(feet)		 (pounds per foot. lb / ft) (kg/m)
1/8 0.41 0.22 0.10 0.13 0.04 0.09 9.43 17.75 0.0003 0.31 0.47 27
¼ 0.54 0.30 0.12 0.23 0.07 0.16 7.07 12.65 0.0005 0.54 0.80 18
3/8 0.68 0.42 0.13 0.36 0.14 0.22 5.66 9.03 0.0010 0.74 1.10 18
½ 0.84 0.55 0.15 0.55 0.23 0.32 4.55 7.00 0.0016 1.00 1.49 18
¾ 1.05 0.74 0.15 0.87 0.43 0.43 3.64 5.15 0.0030 1.47 2.19 14
1 1.32 0.96 0.18 1.36 0.72 0.64 2.90 4.00 0.0050 2.17 3.23 14
1 ¼ 1.66 1.28 0.19 2.16 1.28 0.88 2.30 2.99 0.0891 3.00 4.46 11 ½
1 ½ 1.90 1.50 0.20 2.84 1.77 1.07 2.01 2.54 0.0123 3.65 5.43 11 ½
2 2.38 1.94 0.22 4.43 2.95 1.48 1.61 1.97 0.0205 5.02 7.47 11 ½
2 ½ 2.88 2.32 0.28 6.49 4.24 2.25 1.33 1.65 0.0294 7.66 11.40 11 ½
3 3.50 2.90 0.30 9.62 6.61 3.02 1.09 1.32 0.0459 10.30 15.33 8
3 ½ 4.00 3.36 0.32 12.56 8.89 3.68 0.95 1.14 0.0617 12.50 18.60 8
4 4.50 3.83 0.34 15.90 11.50 4.41 0.85 1.00 0.0198 14.90 22.17 8
5 5.56 4.81 0.38 24.30 18.19 6.11 0.69 0.79 0.1263 20.80 30.95 8
6 6.63 5.76 0.43 34.47 26.07 8.30 0.58 0.67 0.1810 28.60 42.56 8
8 8.63 7.63 0.50 58.42 45.66 12.76 0.44 0.50 0.3171 43.40 64.59 8
10 10.75 9.56 0.59 90.76 71.84 18.92 0.36 0.40 0.4989 64.40 95.84 8
12 12.75 11.38 0.69 127.64 101.64 26.00 0.30 0.34 0.7058 88.60 131.85
14 14.00 12.50 0.75 153.94 122.72 31.22 0.27 0.31 0.8522 107.00 159.23
16 16.00 14.31 0.84 201.05 160.92 40.13 0.24 0.26 1.1170 137.00 203.88
18 18.00 16.13 0.94 254.85 204.24 50.61 0.21 0.24 1.4180 171.00 254.48
20 20.00 17.94 1.03 314.15 252.72 61.43 0.19 0.21 1.7550 209.00 311.03
24 24.00 21.56 1.22 452.40 365.22 87.18 0.16 0.17 2.5360 297.00 441.99

 

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