SN EN 10229 : 1999

Foreword
Introduction
1 Scope
2 Definitions
    2.1 sample
    2.2 test piece
    2.3 section
    2.4 crack
    2.5 hydrogen induced crack
    2.6 separation between cracks
    2.7 isolated crack
    2.8 crack system
    2.9 extent of cracking
    2.10 stepwise crack
3 Principle of the method
4 Test solutions
    4.1 Test solution A
    4.2 Test solution B (synthetic seawater)
    4.3 Volume ratio
    4.4 Reagent purity
5 Apparatus
6 Test Pieces
    6.1 Location and orientation
    6.2 Size
    6.3 preparation
7 Test procedure
    7.1 Test batch
    7.2 Degreasing
    7.3 Test piece exposure
    7.4 De-aeration and saturation
    7.5 Test period
8 Evaluation of test pieces
    8.1 Blisters
    8.2 Test piece sectioning
    8.3 Preparation of sections
    8.4 Evaluation of cracking
9 Ratio calculations
10 Test report

Defines a procedure for evaluating the susceptibility to hydrogen induced cracking (HIC) of steel products with nominal thicknesses equal to or greater than 6 mm. Does not include resistance to other types of corrosion, eg stress corrosion cracking.