Main Tube
(nominal size)
Outer Diameter Thickness Inner Diameter Weld End-Ferrule Type Both-end-Ferrule Type
OD t ID B L B L
8A 13.8 1.65 10.5 38.0 55.0 38.0 55.0
10A 17.3 1.65 14 38.0 55.0 38.0 55.0
15A 21.7 2.1(※1.65) 17.5(※18.4) 38.0 55.0 38.0 55.0
1.0S 25.4 1.2 23 34.0 55.0 34.0 55.0
1.25S 31.8 1.2 29.4 38.0 59.5 38.0 59.5
1.5S 38.1 1.2 35.7 49.0 70.0 49.0 70.0
2.0S 50.8 1.5 47.8 61.0 82.0 61.0 82.0
2.5S 63.5 2.0 59.5 84.0 105.0 84.0 105.0
3.0S 76.3 2.0 72.3 89.0 110.0 89.0 110.0
3.5S 89.1 2.0 85.1 103.5 125.0 103.5 125.0
4.0S 101.6 2.0 97.6 133.4 154.4 133.4 154.4