ISO 11971:2020
ISO 11971:2020 Steel and iron castings – Visual testing of surface quality
CDN $85.00
Description
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.
Edition
3
Published Date
2020-01-13
Status
PUBLISHED
Pages
5
Language
English
Format
Secure PDF
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Abstract
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.
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