ISO 9969:1994

Thermoplastics pipes — Determination of ring stiffness

Publication date:   Feb 17, 1994

95.99   Withdrawal of Standard   Dec 3, 2007

General information

95.99   Withdrawal of Standard   Dec 3, 2007

ISO

ISO/TC 138/SC 5 General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications

International Standard

23.040.20   Plastics pipes

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Scope

The principle of the method specified is vertically compressing a length of pipe supported horizontally between two parallel flat plates moved at a constant speed which is dependent upon the diameter of the pipe, measuring the force and the deflection, plotting the force versus deflection, and calculating the ring stiffness as a function of the force necessary to produce a deflection of 0,03 nominal diameter diametrically across the pipe. Applies to pipes having a circular cross-section.

Life cycle

NOW

WITHDRAWN
ISO 9969:1994
95.99 Withdrawal of Standard
Dec 3, 2007

CORRIGENDA / AMENDMENTS

ABANDON
ISO 9969:1994/NP Amd 1

REVISED BY

WITHDRAWN
ISO 9969:2007