Diameter Transverse Areas Length of Pipe (in) (in2) (per sq. foot of) Nominal Pipe Size Volume Thickness External Internal (in) (ft3/ft) (in) External Internal External Internal Steel Surface Surface (lb/ft) (ft) (ft) 1/8 0.41 0.22 0.10 0.13 0.04 0.09 9.43 17.75 0.0003 0.31 ¼ 0.54 0.30 0.12 0.23 0.07 0.16 7.07 12.65 0.0005 0.54 3/8 0.68 0.42 0.13 0.36 0.14 0.22 5.66 9.03 0.0010 0.74 ½ 0.84 0.55 0.15 0.55 0.23 0.32 4.55 7.00 0.0016 1.00 ¾ 1.05 0.74 0.15 0.87 0.43 0.43 3.64 5.15 0.0030 1.47 1 1.32 0.96 0.18 1.36 0.72 0.64 2.90 4.00 0.0050 2.17 1 ¼ 1.66 1.28 0.19 2.16 1.28 0.88 2.30 2.99 0.0089 3.00 1 ½ 1.90 1.50 0.20 2.84 1.77 1.07 2.01 2.54 0.0123 3.65 2 2.38 1.94 0.22 4.43 2.95 1.48 1.61 1.97 0.0205 5.02 2 ½ 2.88 2.32 0.28 6.49 4.24 2.25 1.33 1.65 0.0294 7.66 3 3.50 2.90 0.30 9.62 6.61 3.02 1.09 1.32 0.0459
Pipe Size (in) Diameter (in) Nominal Thickness (in) Transverse Areas (in2) Length of Pipe (per sq. foot of) Volume (ft3/ft) External Internal External Internal Steel External Surface (ft) Internal Surface (ft) (lb/ft) 1/8 0.41 0.22 0.10 0.13 0.04 0.09 9.43 17.75 0.0003 0.31 ¼ 0.54 0.30 0.12 0.23 0.07 0.16 7.07 12.65 0.0005 0.54 3/8 0.68 0.42 0.13 0.36 0.14 0.22 5.66 9.03 0.0010 0.74 ½ 0.84 0.55 0.15 0.55 0.23 0.32 4.55 7.00 0.0016 1.00 ¾ 1.05 0.74 0.15 0.87 0.43 0.43 3.64 5.15 0.0030 1.47 1 1.32 0.96 0.18 1.36 0.72 0.64 2.90 4.00 0.0050 2.17 1 ¼ 1.66 1.28 0.19 2.16 1.28 0.88 2.30 2.99 0.0089 3.00 1 ½ 1.90 1.50 0.20 2.84 1.77 1.07 2.01 2.54 0.0123 3.65 2 2.38 1.94 0.22 4.43 2.95 1.48 1.61 1.97 0.0205 5.02 2 ½ 2.88 2.32 0.28 6.49 4.24 2.25 1.33 1.65 0.0294 7.66 3 3.50 2.90 0.30 9.62 6.61 3.02 1.09 1.32 0.0459