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Size Chart

Duplex and Supler Duplex Tube Size Chart

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 Astm A789 Duplex and Supler Duplex Tubing Size

DNS: 1/8"-8", DN 6 -DN 200
OD: 10.29mm - 219.08mm; 
Pipe Schedules: Sch5S, Sch10S, Sch40S, Sch80S

NPSnominal pipe size Outside Diameter Pipe Schedules
DN NPS(in) OD(mm) Sch5S
in(mm)
Sch10S
in(mm)
Sch40S
in(mm)
Sch80S
in(mm)
6  1/8 3.175 0.049(1.24) 0.068(1.73) 0.095(2.41)
8  1/4 6.35  0.065(1.65) 0.088(2.24) 0.119(3.02)
10  3/8 9.53  0.065(1.65) 0.091(2.31) 0.126(3.2)
15  1/2 12.70  0.065(1.65) 0.083(2.11) 0.109(2.77) 0.147(3.73)
20  3/4 19.05  0.065(1.65) 0.083(2.11) 0.113(2.87) 0.154(3.91)
25 1     25.40  0.065(1.65) 0.109(2.77) 0.133(3.38) 0.179(4.55)
32 1 1/4 31.75  0.065(1.65) 0.109(2.77) 0.14(3.56) 0.191(4.85)
40 1 1/2 38.10  0.065(1.65) 0.109(2.77) 0.145(3.68) 0.2(5.08)
50 2     50.80  0.065(1.65) 0.109(2.77) 0.154(3.91) 0.218(5.54)
65 2 1/2 63.50  0.083(2.11) 0.12(3.05) 0.203(5.16) 0.276(7.01)
80 3     76.20  0.083(2.11) 0.12(3.05) 0.216(5.49) 0.3(7.62)
90 3 1/2 88.90  0.083(2.11) 0.12(3.05) 0.226(5.74) 0.318(8.08)
100 4 101.60  0.083(2.11) 0.12(3.05) 0.237(6.02) 0.337(8.56)
125 5 127.00  0.109(2.77) 0.134(3.4) 0.258(6.55) 0.375(9.53)
137.5 5 1/2 139.70  0.109(2.77) 0.134(3.4) 0.269(6.83) 0.403(10.25)
150 6 152.40  0.109(2.77) 0.134(3.4) 0.28(7.11) 0.432(10.97)
200 8 203.20  0.109(2.77) 0.148(3.76) 0.322(8.18) 0.5(12.7)