ท่อเหล็กดำ
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ขนาด inch |
วงนอก mm |
1.2 mm |
1.4 mm |
1.6 mm |
1.8 mm |
2.0 mm |
2.3 mm |
2.6 mm |
1/2 | 21.7 | 3.5 | 4.0 | 4.6 | 5.2 | 5.8 | 6.6 | 7.3 |
3/4 | 27.2 | 4.3 | 5.0 | 5.8 | 6.5 | 7.3 | 8.3 | 9.4 |
1 | 34.0 | 5.5 | 6.4 | 7.3 | 8.3 | 9.0 | 10.5 | 12.0 |
1 1/4 | 42.7 | 7.0 | 8.3 | 9.5 | 10.6 | 12 | 13.5 | 15 |
1 1/2 | 48.6 | 8.0 | 9.5 | 10.8 | 12 | 14 | 16 | 18 |
2 | 60.5 | 10.4 | 12 | 13.8 | 15.6 | 17.3 | 20 | 22.5 |
2 1/2 | 76.3 | - | 15.3 | 17.5 | 20 | 22 | 25 | 28 |
3 | 89.0 | - | 18 | 21 | 23 | 26 | 30 | 34 |
3 1/2 | 101.6 | - | - | 23 | 26 | 29 | 33 | 37 |
4 | 114.3 | - | - | 27 | 30 | 33 | 38 | 44 |
5 | 139.8 | - | - | - | - | 40 | 45 | 52 |
6 | 165.2 | - | - | - | - | 48 | 55 | 63 |
8 | 316.9 | - | - | - | - | 61 | 71 | 81 |
2.8 mm |
3.0 mm |
3.2 mm |
3.5 mm |
4.0 mm |
4.5 mm |
5.0 mm |
5.5 mm |
6.0 mm |
7.6 | 8.1 | - | - | - | - | - | - | - |
10 | 11 | 11.5 | - | - | - | - | - | - |
12.8 | 13.7 | 14.7 | 15.7 | 18 | - | - | - | - |
16.5 | 17.7 | 19 | 20.6 | 23.6 | - | - | - | - |
19 | 20.5 | 22 | 23.6 | 27 | - | - | - | - |
24.2 | 26 | 27.7 | 30 | 34 | 38 | - | - | - |
30.5 | 33 | 35 | 38.5 | 44 | 49 | - | - | - |
36 | 38 | 41 | 45 | 51 | 58 | - | - | - |
40 | 43 | 46 | 50 | 57 | 64 | 72 | - | - |
47 | 50 | 53 | 58 | 67 | 75 | 82 | 90 | 98 |
56 | 60 | 64 | 70 | 80 | 90 | 100 | 110 | 120 |
68 | 73 | 78 | 84 | 96 | 107 | 120 | 133 | 145 |
88 | 94 | 100 | 110 | 126 | 141 | 158 | 175 | 190 |