AS NZS 4130:2018 pdf free.Polyethylene (PE) pipes for pressure applications. 3 I)F1’IXITIONS For the purpose of this Standard. the defiiihions given in AS NZS 3500.0. AS’NZS 41 3 1 and those below apply. 3.1 Brittle failure The type of failure of the material in pipe form during pressure testing, where the pipe exhibits no plastic delornialion visible to the naked...