IS 1161 (Edition 1998)

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.

asian-narmada
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