ISO/TR 18124:2006 PDF

Name: ISO/TR 18124:2006 — Plastics piping systems — Multilayer M (metal) pipes — Test method for strength of the weld line in the metal layer and bonding between layers by use of a cone
SKU: ISO/TR 18124:2006
Price: 25 EUR
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Plastics piping systems — Multilayer M (metal) pipes — Test method for strength of the weld line in the metal layer and bonding between layers by use of a cone

Название (английский):

ISO/TR 18124:2006

Plastics piping systems — Multilayer M (metal) pipes — Test method for strength of the weld line in the metal layer and bonding between layers by use of a cone

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 22 ноября 2006 г.
Издание:: ISO TR 18124 edition 1 version 1
ICS:: 23.040.20

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Описание (английский):

ISO/TR 18124:2006 specifies a method for testing the strength of the weld line in the metal layer and the adhesion between the different layers of multilayer M pipes by the use of a cone.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO/TR 18124:2006 is an informative Technical Report from ISO covering a test method for multilayer M (metal) pipes used in plastics piping systems. It specifies a cone-expansion procedure to assess the strength of the weld line in the metal layer and the bonding (adhesion) between layers of multilayer M pipes. The document is intended as a product verification / quality-indication test rather than a prescriptive international product standard, due to large variations in pipe designs and tolerances.

Key topics and technical requirements

Scope and purpose

Test method for weld line strength in the metal layer and interlayer bonding of multilayer M pipes (polymer + metal layers).
Applicable to pipes where polymeric materials make up at least 60% of wall thickness.

Test principle

Radial expansion of a pipe test piece by controlled insertion of a cone; visual inspection after cone withdrawal to detect weld damage or delamination.

Apparatus and cone geometry

Cone with lead-in angle α = 7.5°.
Cone diameter selection accounts for manufacturer tolerances; typically d_f ≥ 1.1 × d_i unless otherwise specified.
Clamping device and press–pull unit to insert/withdraw cone centre-lined.

Test specimen and conditions

Test piece free length = 4 × d_e (minimum 50 mm).
Typical test temperature (unless specified otherwise) = (23 ± 2) °C.
Default number of test pieces = 3 (additional pieces if slippage occurs).

Procedure parameters

Insertion speed = (50 ± 5) mm/min.
Cone remains inserted for (15 ± 1) minutes before withdrawal.
Lubrication allowed when needed to avoid friction effects.
Optional force measurement for insertion and withdrawal (requires force measuring device).

Reporting

Test report must document identification, dimensions, conditions, observations (damage, delamination, failure type), cone size, post-test internal diameter, average forces (if measured) and test date.

Applications and users

Practical applications:

Manufacturing quality control and production verification for multilayer M pipes.
Failure analysis and investigation of weld defects or interlayer adhesion issues.
R&D and product development to evaluate bonding methods, adhesives and layer constructions.

Typical users:

Pipe manufacturers, production engineers and QC laboratories.
Independent test labs and product certification bodies.
Designers and specifiers assessing multilayer piping performance.

Related standards

ISO 17454:2006 - adhesion testing of multilayer pipes using a pulling rig.

ISO 17455:2005 - oxygen permeability of barrier pipes.

ISO 17456:2005 - long-term strength determination for multilayer pipes.

Keywords: ISO/TR 18124, multilayer M pipes, weld line strength, bonding between layers, cone test, plastics piping systems, metal layer testing, product verification.

ISO/TR 18124:2006 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 17454:2006

Plastics piping systems — Multilayer pipes — Test method for the adhesion of the different layers using a pul…

ISO 17455:2005

Plastics piping systems — Multilayer pipes — Determination of the oxygen permeability of the barrier pipe

PD ISO/TR 18124:2006

Plastics piping systems. Multilayer M (metal) pipes. Test method for strength of the weld line in the metal l…