Applies to corrugated steel pipes, pipe arches, arches and special shapes fabricated from corrugated steel sheets or plates in which the direction of the corrugations in the sheets or plates is normal to the axis of the structures. Two classes of products are covered: Class 1 riveted and nestable structures fabricated from pre-galvanized sheets and Class 2 bolted structures fabricated from post-galvanized plates.
Specification for aircraft material (emergency series) soft aluminium alloy tubes (suitable for oil, petrol, gas starters and general low pressure purposes)
