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.
N.B. & Series |
Outside Diameter |
Wall Thickness |
Nominal WeightBlack Tubes |
Nominal MetersBlack 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 | ||||