ท่อกลม

ลำดับที่ Nominal dimention Outside Diameter Thickness Calculate Weight Cross Sectional Area Geometrical Moment of Inertia Modulus of Section Radius of Gyration
DN D T W A I Z I
in. mm. mm. kg/m cm2 cm4 cm3 cm
1 1/2(15) 21.7 2 0.97 1.24 0.61 0.56 0.7
2 3/4(20) 27.2 2 1.24 1.58 1.26 0.93 0.89
3 3/4(20) 27.2 2.3 1.41 1.8 1.41 1.03 0.88
4 1(25) 34 2.3 1.8 2.29 2.89 1.7 1.12
5 1/4(32) 42.7 2.3 2.29 2.92 5.97 2.8 1.43
6 1/4(32) 42.7 2.5 2.48 3.16 6.4 3 1.42
7 1-1/2(40) 48.6 2.3 2.63 3.35 8.99 3.7 1.64
8 1-1/2(40) 48.6 2.5 2.84 3.62 9.65 3.97 1.63
9 1-1/2(40) 48.6 2.8 3.16 4.03 10.6 4.36 1.62
10 1-1/2(40) 48.6 3.2 3.58 4.56 11.8 4.86 1.61
11 2(50) 60.5 2.3 3.3 4.21 17.8 5.9 2.06
12 2(50) 60.5 3.2 4.52 5.76 23.7 7.84 2.03
13 2(50) 60.5 4 5.57 7.1 28.5 9.41 2
14 2-1/2(65) 76.3 2.8 5.08 6.47 43.7 11.5 2.6
15 2-1/2(65) 76.3 3.2 5.77 7.35 49.2 12.9 2.59
16 2-1/2(65) 76.3 4 7.13 9.09 59.5 15.6 2.58
17 3(80) 89.1 2.8 5.96 7.59 70.7 15.9 3.05
18 3(80) 89.1 3.2 6.78 8.64 79.8 17.9 3.04
19 3-1/2(90) 101.6 3.2 7.76 9.89 120 23.6 3.48
20 3-1/2(90) 101.6 4 9.63 12.26 146 28.8 3.45
21 4(100) 114.3 3.2 8.77 11.17 172 30.2 3.93
22 4(100) 114.3 3.5 9.58 12.18 187 32.7 3.92
23 4(100) 114.3 4.5 12.2 15.52 234 41 3.89
24 5(125) 139.8 3.6 12.1 15.4 357 51.1 4.82
25 5(125) 139.8 4 13.4 17.07 394 56.3 4.8
26 5(125) 139.8 4.5 15 19.13 438 62.7 4.79
27 5(125) 139.8 6 19.8 25.22 566 80.2 4.74
28 6(150) 165.2 4.5 17.8 22.72 734 88.9 5.68
29 6(150) 165.2 5 19.8 25.16 808 97.8 5.67
30 6(150) 165.2 6 23.6 30.01 952 115 5.63
31 6(150) 165.2 7.1 27.7 35.26 1,100.00 134 5.6
32 8(200) 216.3 4.5 23.5 29.94 1,680.00 155 7.49
33 8(200) 216.3 5.8 30.1 38.36 2,130.00 197 7.45
34 8(200) 216.3 7 36.1 46.03 2,520.00 233 7.4
35 8(200) 216.3 8.2 42.1 53.61 2,910.00 269 7.36