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ISO 11971:2020

Steel and iron castings — Visual testing of surface quality

Publication date:   Jan 13, 2020

General information

60.60 Standard published   Jan 13, 2020

ISO

ISO/TC 17/SC 11 Steel castings

International Standard

77.040.20   Non-destructive testing of metals | 77.140.80   Iron and steel castings

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11971:2008

NOW

PUBLISHED
ISO 11971:2020
60.60 Standard published
Jan 13, 2020