Evaluation of resistance of steel products to hydrogen induced cracking (HIC).

Le présent document prescrit une méthode d'évaluation de la susceptibilité à la fissuration induite par l'hydrogène des produits en acier ayant des épaisseurs nominales égales ou supérieures à 6 mm.

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Main informations

Collections

National standards and national normative documents

Publication date

May 1998

Number of pages

15 p.

Reference

NF EN 10229

ICS Codes

77.060 Corrosion of metals

Classification index

A05-400

Print number

1 - mai 1998

European kinship

EN 10229:1998

Sumary

Evaluation of resistance of steel products to hydrogen induced cracking (HIC).

Le présent document prescrit une méthode d'évaluation de la susceptibilité à la fissuration induite par l'hydrogène des produits en acier ayant des épaisseurs nominales égales ou supérieures à 6 mm.

Table of contents

Avant-propos
3
Introduction
4
1 Domaine d'application
4
2 Définitions
4
2.1 échantillon
4
2.2 éprouvette
4
2.3 section
4
2.4 fissure
5
2.5 fissure induite par l'hydrogène
5
2.6 séparation entre les fissures
5
2.7 fissure isolée
5
2.8 ensemble de fissures
5
2.9 étendue de fissuration
5
2.10 fissureen marche d'escalier
5
3 Principe de la méthode
5
4 Solution d'essai
6
4.1 Essai solution A
6
4.2 Essai solution B (eau de mer synthétique)
6
4.3 Proportion du volume
6
4.4 Pureté du réactif
6
5 Appareillage
7
6 Éprouvettes
7
6.1 Localisation et orientation
7
6.2 Dimension
7
6.3 Préparation
8
7 Mode opératoire
8
7.1 Lot d'essai
8
7.2 Dégraissage
8
7.3 Exposition des éprouvettes
8
7.4 Dégazage et saturation
9
7.5 Durée d'essai
9
8 Évaluation des éprouvettes
9
8.1 Cloquage
9
8.2 Coupe des éprouvettes
9
8.3 Préparation des sections
9
8.4 Évaluation de la fissuration
10
9 Calcul des rapports
10
10 Rapport d'essai
10

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