ISO 18953:2025

Indisponible en français

Publiée (Edition 1, 2025)

ISO 18953:2025

CHF 67

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Résumé

This document specifies test methods to determine loss of pretension in high-strength bolts due to the presence of coatings on the faying surface(s) of a bolted joint to be used in structural steelwork, when any of the coatings are thick enough to affect the pretension in a bolt in the short term, or can show significant deformation over time under sustained loads (creep-prone materials).

The presence within the grip of the bolt of other materials having considerably smaller stiffness than steel, such as insulation, is not included in this test method.

Informations générales

État actuel
: Publiée

Date de publication
: 2025-12

Stade
: Norme internationale publiée [60.60]
Edition
: 1
Comité technique :
ISO/TC 167

ICS :
91.080.13
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