Steel and iron castings. Radiographic inspectionBS 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

BS 8103-1 gives recommendations for the structural design of low-rise housing and covers the stability of the structure

It should be used in conjunction with BS EN 61439-1

enabling the accurate determination of ammoniacal nitrogen in fertilizers

It identifies common assessment techniques that are used as a basis for product certification

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It covers classification according to wear and appearance retention

Solar radiation can affect products primarily by the heating of material and their environment or by photochemical degradation of material

BS IEC 60515 applies to the radiation detectors which are installed external to the core of nuclear reactors

Strategies

It also addresses on-line tutorials

Verify your equipment meets the safety requirements of the PAS

This document specifies two types of TWSIs: attention patterns and guiding patterns