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Flange - Pipe Index

Pipe sizes to ANSI B36,10 and BS1600 Schedule Sizes

Nom size OD Thickness Schedule
in mm Sched 5s Sched 10
s= 10s		 Sched 20 Sched 30 Sched 40 Sched 60 Sched 80 Sched 100 Sched 120 Sched 140 Sched 160 Std.Wall Extra Strong
1/8 10.3 - s=1.24 1.73 2.41 1.73 2.41
1/4 13.7 - s =1.65 2.24 3.02 2.24 3.02
3/8 17.1 - s=1.65 2.31 3.2 2.31 3.2
1/2 21.3 1.65 s =2.11 2.77 3.73 4.78 2.77 3.73
3/4 26.7 1.65 s=2.11 2.87 3.91 5.56 2.87 3.91
1 33.4 1.65 s =2.77 3.38 4.55 6.35 3.38 4.55
1 1/4 42.2 1.65 s =2.77 3.56 4.85 6.35 3.56 4.85
1 1/2 48.3 1.65 s =2.77 3.68 5.08 7.14 3.68 5.08
2 60.3 1.65 s =2.77 3.91 5.54 8.74 3.91 5.54
2 1/2 73.0 2.11 s =3.05 5.16 7.01 9.52 5.16 7.01
3 88.9 2.11 s =3.05 5.49 7.62 11.13 5.49 7.62
3 1/2 101.6 2.11 s=3.05 5.74 8.08 5.74 8.08
4 114.3 2.11 s=3.05 6.02 8.56 11.13 13.49 6.02 8.56
5 141.3 2.77 s=3.4 6.55 9.52 12.70 15.88 6.55 9.52
6 168.3 2.77 s=3.4 7.11 10.97 14.27 18.26 7.11 10.97
8 219.1 2.77 s=3.76 6.35 7.04 8.18 10.31 12.7 15.09 18.26 20.62 23.01 8.18 12.7
10 273.0 3.40 s =4.19 6.35 7.8 9.27 12.70 15.09 18.26 21.44 25.40 28.58 9.27 12.7
12 323.9 3.96 s =4.57 6.35 8.38 10.31 14.27 17.47 21.44 25.4 28.58 33.34 9.52 12.7
14 355.6 - 6.35 7.92 9.52 11.13 15.09 19.05 23.82 27.79 31.75 35.71
16 406.4 - 6.35 7.92 9.52 12.7 16.64 21.44 26.19 30.96 36.52 40.49
18 457.2 - 6.35 7.92 11.13 14.27 19.05 23.82 29.36 34.92 39.69 45.24
20 508.0 - 6.35 9.52 12.70 15.09 20.62 26.19 32.54 38.10 44.45 50.01
24 609.6 - 6.35 9.52 14.27 17.48 24.61 30.96 38.89 46.02 52.39 59.54
30 762.0 - 7.92 12.70 15.88

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Flange - Pipe Index

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Last Updated 06/04/2001