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BS EN ISO 3452-1:2021 – TC

BS EN ISO 3452-1:2021 – TC

$217.84

Tracked Changes. Non-destructive testing. Penetrant testing – General principles

Published By Publication Date Number of Pages
BSI 2021 72
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This standard defines a method of penetrant testing used to detect discontinuities, e.g. cracks, laps, folds, porosity and lack of fusion, which are open to the surface of the material to be tested. It is mainly applied to metallic materials, but can also be performed on other materials, provided that they are inert to the test media and they are not excessively porous, examples of which are castings, forgings, welds, ceramics, etc. This standard is not intended to be used for acceptance criteria and gives no information relating to the suitability of individual test systems for specific applications nor requirements for test equipment. The term ‘discontinuity’ is used here in the sense that no evaluation concerning acceptability or non-acceptability is included. Methods for determining and monitoring the essential properties of penetrant testing products to be used are specified in ISO 3452-2 and ISO 3452-3.

PDF Catalog

PDF Pages PDF Title
1 compares BS EN ISO 3452-1:2021
2 TRACKED CHANGES
Text example 1 — indicates added text (in green)
3 National foreword
Contractual and legal considerations
Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments/corrigenda issued since publication
8 Foreword
11 3 Terms and definitions
4 Safety precautions
5 General principles
5.1 Personnel
5.2 Description of the method
12 5.3 Process sequence
5.4 Equipment
5.5 Effectiveness
6 Products, sensitivity and designation
6.1 Product family
13 6.2 Testing products
6.3 Sensitivity
6.4 Designation
Table 1 — Testing products
14 Table 1 — Testing products/procedures
7.1 General
7.2 Compatibility of penetrant testing products
7.3 Compatibility of penetrant testing materials with parts under examinationproducts and the material to be tested
15 8 Test procedure
8.1 Written test procedure
8.2 Precleaning
8.2.1 General
8.2.2 Mechanical precleaning
8.2.3 Chemical precleaning
8.2.4 Drying
8.3 Temperature
16 8.4 Application of penetrant
8.4.1 Methods of application
8.4.2 Penetration time
8.5 Excess penetrant removal
8.5.1 General
8.5.2 Water
8.5.3 Solvents
8.5.4 Emulsifier
17 8.5.4.2 Lipophilic (oil-based)
8.5.5 Water and solvent
8.5.6 Excess penetrant removal check
8.5.7 Drying after excess penetrant removal
18 8.6 Application of developerDeveloping
8.6.1 General
8.6.2 Dry powderdeveloper
8.6.3 Water-suspendable developer
8.6.4 Solvent-based developer
19 8.6.5 Water soluble developer
8.6.6 Water- or solvent-based for special application (e.g. peelable developer)
8.6.7 Development timeNo developer (type I only)
8.7 Inspection
8.7.1 Viewing conditions
8.7.1.1 General
8.7.1.2 Fluorescent techniques
20 8.7.1.3 Colour contrast techniques
For inspection, the illuminance at the test surface shall be 500 lx or greater.
8.7.2 Viewing conditions
8.7.3 Wipe-off technique
21 8.7.4 Recording
8.8 Post cleaningPost cleaning and corrosion protection
8.8.1 PostcleaningPost cleaning
8.8.2 ProtectionCorrosion protection
8.9 Retesting
9 Test report
23 Annex A
(normative)
24 Figure A.1 — Sequence of operations
25 Annex B
(normative)
B.1 General
B.2 Records
26 Table B.1 — Process and control tests
28 B.3.2.1 General
B.3.2.1B.3.2.2 Reference test parts cleaning
B.3.3 Penetrant appearance
B.3.4 Rinse water appearance
B.3.5 Rinse water temperature
29 Table B.1 — Process and control tests
31 B.3.7 Working area
B.3.8 Compressed-air filter(s)
B.3.9 UV-A lamps
B.3.10 UV-A irradiance
B.3.11 Visible light intensity in inspection booth (fluorescent systems)
B.3.12 Visible light intensity (colour contrast systems)
B.3.13 Fluorescent brightness
B.3.14 Colour contrast intensity
32 B.3.15 Supplier’s overcheck
B.3.16 Concentration of hydrophilic remover
B.3.17 Developers
B.3.17.1 Appearance of dry powder
B.3.17.2 Fluorescence of dry powder
B.3.17.3 Water-soluble developer
33 B.3.17.3.2 Wetting test
B.3.17.3.3 Temperature
B.3.17.3.4 Fluorescence of solution
B.3.17.4 Water-suspendable developer
B.3.17.4.1 Concentration
B.3.17.4.2 Temperature
B.3.17.4.3 Fluorescence of suspension
B.3.18 UltravioletUV-A radiometer calibration
34 B.3.19 Luxmeter calibration
B.3.21B.3.20 Pressure gauge calibration
B.3.22 Test block calibration
B.3.21 Reference test block verification
35 Annex C
(informative)
37 Bibliography
40 undefined
43 European foreword
Endorsement notice
46 Foreword
48 1 Scope
2 Normative references
3 Terms and definitions
49 4 Safety precautions
5 General principles
5.1 Personnel
5.2 Description of the method
5.3 Process sequence
50 5.4 Equipment
5.5 Effectiveness
6 Products, sensitivity and designation
6.1 Product family
6.2 Testing products
6.3 Sensitivity
51 6.4 Designation
7 Compatibility
7.1 General
7.2 Compatibility of penetrant testing products
7.3 Compatibility of penetrant testing products and the material to be tested
52 8 Test procedure
8.1 Written test procedure
8.2 Precleaning
8.2.1 General
8.2.2 Mechanical precleaning
8.2.3 Chemical precleaning
8.2.4 Drying
8.3 Temperature
53 8.4 Application of penetrant
8.4.1 Methods of application
8.4.2 Penetration time
8.5 Excess penetrant removal
8.5.1 General
8.5.2 Water
8.5.3 Solvents
8.5.4 Emulsifier
54 8.5.5 Water and solvent
8.5.6 Excess penetrant removal check
8.5.7 Drying after excess penetrant removal
8.6 Developing
8.6.1 General
55 8.6.2 Dry developer
8.6.3 Water-suspendable developer
8.6.4 Solvent-based developer
8.6.5 Water soluble developer
8.6.6 Water- or solvent-based for special application (e.g. peelable developer)
8.6.7 No developer (type I only)
56 8.7 Inspection
8.7.1 General
8.7.2 Viewing conditions
8.7.3 Wipe-off technique
57 8.7.4 Recording
8.8 Post cleaning and corrosion protection
8.8.1 Post cleaning
8.8.2 Corrosion protection
8.9 Retesting
9 Test report
59 Annex A (normative) Main stages of standard penetrant examination
61 Annex B (normative) Process and control tests
69 Annex C (informative) Example test report
70 Bibliography

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BS EN ISO 3452-1:2021 - TC
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