EN 12223:1999

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Manufacture
5 Velocities
6 Marking
7 Certificate
8 Possible modifications to block no.1
9 Existing blocks manufactured to other standards or
  specifications
Annex A (normative) Measurement of velocities

This standard specifies requirements for the dimensions, material and manufacture of a steel block for calibrating ultrasonic flaw detection and inspection equipment used in manual testing. The calibration block dealt with in this standard is identified calibration block No.1 to distinguish it from other calibration blocks.