GSO ISO 11971:2014
ISO 11971:2008
Gulf Standard
Current Edition
·
Approved on
25 December 2014
Steel and iron castings -- Visual examination of surface quality
GSO ISO 11971:2014 Files
English
3 Pages
Current Edition
Reference Language
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GSO ISO 11971:2014 Scope
1.1 This International Standard covers the acceptance criteria for the surface inspection of steel and iron castings by visual examination.
1.2 Acceptance levels utilize Bureau de Normalisation des Industries de la Fonderie (BNIF) and Steel Castings Research and Trade Association (SCRATA) reference comparators for the visual determination of surface roughness and surface discontinuities described as follows:
— surface roughness;
— thermal dressing;
— mechanical dressing;
— nonmetallic inclusions;
— gas porosity;
— fusion discontinuities;
— expansion discontinuities;
— metal inserts.
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