TOLERANCES
(a)
Thickness1. Light Tubes + not limited - 8%
2. Medium and + not limited Heavy tubes - 10%
(b) Weight
1. Single Tube + 10%
(Light series) - 8%
2. Single tube (Medium and Heavy series) + 10%
3. For quantities per load of 10 tonnes minimum (Light series) + 5%
4. For quantities per load of 10 tones minimum (Medium and Heavy series) +7.5%
(c) Length
4 to 7 metres unless otherwise specified
(d) Tensile strength
320 mpa (Min)
(e) % of elongation
20% (Min)
For the sizes 25 mm NB, elongation of 12% shall be permissible

