ISO 13:1978

Grey iron pipes, special castings and grey iron parts for pressure main lines

Specifies the properties of the pipes, special castings and parts manufactured by any one of the following processes: centrifugal casting in metal or sand moulds; vertical casting in sand moulds. Applies to products with sockets, spigots or flanges defined by this standard. It does not apply to the down pipes and their specials used in the building industry.