PREN 12680-1 : DRAFT 2000

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
   4.1 Order information
   4.2 Extent of testing
   4.3 Maximum permissible size of discontinuities
   4.4 Testing personnel
   4.5 Wall section zones
   4.6 Severity levels
5 Test method
   5.1 Principles
   5.2 Material
   5.3 Equipment, coupling medium and time-base calibration
   5.4 Preparation of casting surfaces for testing
   5.5 Test procedure
   5.6 Test report
Table 1 - Acceptance limits for non-planar discontinuities
Table 2 - Ultrasonic testability requirements
Table 3 - Recording levels
Figure 1 - Acceptance limits for individual planar indications
           mainly orientated in through-wall direction, detected
           with angle probes
Figure 2 - Division of wall section into zones
Figure 3 - Measurement of the dimension of discontinuities in
           through-wall direction
Figure 4 - Measurement of the dimensions of discontinuities in
           through-wall direction with normal probes
Annex A (informative) Sound-beam diameters
Annex B (informative) Types of indications