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ASTM A312 Dimensional Table

Nominal Size OD Wall Thickness, SCHEDULE
NPS DN Mm 5S 10S 40S STD 80S
1∕8 6 10.3 1.24 1.73 1.73 2.41
1∕4 8 13.7 1.65 2.24 2.24 3.02
3∕8 10 17.2 1.65 2.31 2.31 3.2
1∕2 15 21.3 1.65 2.11 2.77 2.77 3.73
3∕4 20 26.7 1.65 2.11 2.87 2.87 3.91
1 25 33.4 1.65 2.77 3.38 3.38 4.55
1 1∕4 32 42.2 1.65 2.77 3.56 3.56 4.85
1 1∕2 40 48.3 1.65 2.77 3.68 3.68 5.08
2 50 60.3 1.65 2.77 3.91 3.91 5.54
2 1∕2 65 73 2.11 3.05 5.16 5.16 7.01
3 80 88.9 2.11 3.05 5.49 5.49 7.62
3 1∕2 90 101.6 2.11 3.05 5.74 5.74 8.08
4 100 114.3 2.11 3.05 6.02 6.02 8.56
5 125 141.3 2.77 3.4 6.55 6.55 9.53
6 150 168.3 2.77 3.4 7.11 7.11 10.97
8 200 219.1 2.77 3.76 8.18 8.18 12.7
10 250 273.1 3.4 4.19 9.27 9.27 12.7
12 300 323.9 3.96 4.57 9.53 9.53 12.7
14 350 355.6 3.96 4.78 9.53
16 400 406.4 4.19 4.78 9.53
18 450 457.2 4.19 4.78 9.53
20 500 508 4.78 5.54 9.53
22 550 558.8 4.78 5.54 9.53
24 600 609.6 5.54 6.35 9.53
26 650 660.4 9.53
28 700 711.2 9.53
30 750 762 6.35 7.92 9.53

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