AS/NZS 1462.22:2023 PDF
AS/NZS 1462.22:2023 identically adopts ISO 9969:2016, which specifies a test method for determining the ring stiffness of thermoplastics pipes having a circular cross section.
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Methods of test for plastics pipes and fittings, Method 22: Thermoplastics pipes – Determination of ring stiffness (ISO 9969:2016, IDT)
standard by Standards Australia / Standards New Zealand , 12/22/2023
AS/NZS 1462.22:2023 PDF
AS/NZS 1462.22:2023 identically adopts ISO 9969:2016, which specifies a test method for determining the ring stiffness of thermoplastics pipes having a circular cross section.