Steel Pipes Dimensions - ANSI Schedule 80

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

Based on ASTM A53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

Pipe Size
(in)

Diameter
(in)
Nominal Thickness
(in)
Transverse Areas
(in2)
Length of Pipe
(per sq. foot of)
Volume
(ft3/ft)
Weight Number of Threads per inch of Screw
External Internal External Internal Steel External Surface
(ft)
Internal Surface
(ft)
(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 14
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 11 ½
1 ¼ 1.66 1.28 0.19 2.16 1.28 0.88 2.30 2.99 0.0089 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 8
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 0.08 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

ASTM A53 pipe  - also referred to as ASME SA53 pipe - is intended for mechanical and pressure applications. Can be used in steam, water, gas and air lines. Suitable for welding and forming like coiling, bending and flanging.

Related Topics

  • Codes and Standards - Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more..
  • Piping Systems - Dimensions of pipes and tubes - dimensions, materials, capacities - pressure drop calculations and charts - insulation and heat loss diagrams

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