Number of sets of tests
|The number of pipes on which mechanical
tests shall be performed shall be as follows:-
|Up to and including 114
(4-1/2 in.) o. d.
|As per requirements
of Chapter II.
mm. o. d.
||5 per cent of the lengths
of pipe as made, or 2 per cent of the pipes from
each cast where the cast (i.e. melt) can be identified.
||2 per cent of the lengths
of pipes as made.
In the case of pipes for designed temperatures over 454°C
(850°F) every pipe over 114 mm. (4-1/2 in.) outside
diameter shall be tested.