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BSI BS ISO 11971:2020

Steel and iron castings. Visual testing of surface quality
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BSI BS ISO 11971:2020

Steel and iron castings. Visual testing of surface quality

PUBLISH DATE 2020
PAGES 14
BSI BS ISO 11971:2020

1.1

This document covers the acceptance criteria for the visual testing of the surface of steel and iron castings.

1.2

Acceptance levels utilize Bureau de Normalisation des Industries de la Fonderie (BNIF) and Steel Castings Research and Trade Association (SCRATA) or Casting Technology International (CTI) reference comparators for the visual determination of surface roughness and surface discontinuities described as follows:

  • surface roughness;

  • thermal dressing;

  • mechanical dressing;

  • non-metallic inclusions;

  • gas porosity;

  • fusion discontinuities;

  • expansion discontinuities;

  • metal inserts.

SDO BSI: British Standards Institution
Document Number ISO 11971
Publication Date Jan. 23, 2020
Language en - English
Page Count 14
Revision Level
Supercedes
Committee ISE/111
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