NEN EN 1371-1 : 2011
Current
The latest, up-to-date edition.
FOUNDING - LIQUID PENETRANT TESTING - PART 1: SAND, GRAVITY DIE AND LOW PRESSURE DIE CASTINGS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Conditions for liquid penetrant inspection
4 Method of inspection
4.1 Operating mode
4.2 Qualification of the operators
4.3 Surface preparation
4.4 Conditions of inspection
5 Acceptance criteria
5.1 Indications of discontinuities
5.2 Definitions of liquid penetrant inspection
indications
5.3 Severity levels
6 Classification of the indications and interpretation
of results
7 Ordering
8 Retesting
9 Post-examination cleaning procedures
10 Inspection documentation
Tables
1 Nature of discontinuities and types of corresponding
liquid penetrant inspection indications
2 Severity levels for liquid penetrant inspection -
Non-linear indications isolated (SP) or clustered (CP)
3 Severity levels for liquid penetrant inspection -
Linear (LP) and aligned (AP) indications
4 Recommended surface finish for liquid penetrant
inspection
Annexes
A (informative) Bibliography
B (informative) Reference figures - non-linear isolated
indications designated SP
C (informative) Reference figures - Non-linear
indications designated SP and CP
D (informative) Reference figures - linear and aligned
indications designated LP and AP
E (informative) Model of a liquid penetrant inspection
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