IS 1161 (Edition 1998) – YST 210, YST 240, YST 310
Please refer below table for size 6″ (150mm NB). Other details of IS 1161 will remain the same as per IS 1239.
IS 1161 (Edition 1998)
| N.B. & Series | Outside Diameter | Wall Thickness |
Nominal Weight Black Tubes |
Nominal Meters
Black Tubes |
|
| mm | mm | mm | kg/m | m/tone | |
| 150
(6″) |
L | 168.30 | 4.50 | 18.20 | 55 |
| M | 4.80 | 19.40 | 52 | ||
| H 1 | 5.40 | 21.70 | 46 | ||
| H 2 | 6.30 | 25.20 | 40 | ||
Tolerances:
| A) Thickness | > | 1. Light Tubes | + Not Limited | – 8 % |
| 2. Medium & Heavy tubes | + Not Limited | – 10 % | ||
| B) Weight | > | 1. Single Tube (Light Series) |
+ 10 % | – 8 % |
| 2. Single Tube (Medim & Heavy Series) |
± 10 % | |||
| 3. For quantities per load of 10 tonnes minimum (Light Series) | + 7.5 % | – 5 % | ||
| 4. For quantities per load of 10 tonnes minimum ( Medium and Heavy Series) | ± 7.5 % | |||
| C) Hydro Test Pressure 5 Mpa | ||||