ISO-11971 › Steel and iron castings - Visual testing of surface quality
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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.
To find similar documents by classification:
77.140.80 (Iron and steel castings)
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Document Number
ISO 11971:2020
Revision Level
3RD EDITION
Status
Current
Publication Date
Jan. 1, 2020
Committee Number
ISO/TC 17/SC 11