BH GSO ISO 11971:2016
ISO 11971:2008
Bahraini Standard
Current Edition
·
Approved on
08 February 2016
Steel and iron castings -- Visual examination of surface quality
BH GSO ISO 11971:2016 Files
English
3 Pages
Current Edition
Reference Language
BHD
19.93
BH GSO ISO 11971:2016 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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