ISO 17643:2015
Non-destructive testing of welds — Eddy current testing of welds by complex-plane analysis
ISO 17643:2015 defines eddy current testing techniques for detection of surface breaking and near surface planar discontinuities, mainly in ferritic materials (weld material, heat-affected zones, base material).
Eddy current testing can also be specified for use with non-ferritic materials, for example in an application standard.
The techniques can be applied to coated and uncoated objects during fabrication and in service, both onshore and offshore.
Eddy current testing can be carried out on all accessible surfaces and on welds of almost any configuration.
Unless otherwise specified at specific items in this International Standard, the general principles of ISO 15549 apply.
NOTE Eddy current testing is usually performed in the as-welded condition. However, the accuracy of the results can be affected by very rough surface finishes.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Personnel qualification
5 Written procedures
6 General applications
6.1 Essential variables
6.2 Additional information
6.3 Surface conditions
6.4 Equipment
6.4.1 Instrumentation (excluding probe)
6.4.2 Surface probes
6.4.3 Accessories
6.4.4 Systematic equipment maintenance
6.5 Test procedure
6.5.1 Evaluation mode
6.5.2 Procedure for measuring coating thickness and material comparison relative to calibration block
6.5.3 Procedure for testing welds in ferritic materials
6.6 Detectability of discontinuities
6.7 Procedure for testing welds in other materials
7 Test report
Annex A (informative) Recommended eddy current method flow diagram
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Personnel qualification
5 Written procedures
6 General applications
6.1 Essential variables
6.2 Additional information
6.3 Surface conditions
6.4 Equipment
6.4.1 Instrumentation (excluding probe)
6.4.2 Surface probes
6.4.3 Accessories
6.4.4 Systematic equipment maintenance
6.5 Test procedure
6.5.1 Evaluation mode
6.5.2 Procedure for measuring coating thickness and material comparison relative to calibration block
6.5.3 Procedure for testing welds in ferritic materials
6.6 Detectability of discontinuities
6.7 Procedure for testing welds in other materials
7 Test report
Annex A (informative) Recommended eddy current method flow diagram