BS ISO 4993:2009

BS ISO 4993:2009 Steel and iron castings. Radiographic inspection

Radiography can be used to detect internal discontinuities in castings. The discontinuities can have higher or lower densities than the parent metal.

BS ISO 4993 specifies the general requirements for the radiography of steel and iron castings by means of X-rays or gamma-rays, in accordance with procedures given in ISO 5579 and ISO 19232 (all parts)

Contents of BS ISO 4993:

• Foreword
• Introduction
• Scope
• Normative references
• Basis of purchase
• Terms and definitions
• General
• Protection against ionizing radiation
• General requirements
• Examination parameters
• Personnel qualifications
• Examination arrangements
• Film position plan
• Film position plan for pilot radiography
• Film position plan for production radiography
• Rejection/Acceptance criteria
• Foundry responsibility
• Records
• Examination arrangements
• Techniques for increasing the covered thickness range
• Choice of radiation source