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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 11971:2020

ISO 11971:2020 Steel and iron castings – Visual testing of surface quality

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SKU: f64792412ac3 Categories: ,

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 Detail Icon

English

Format Secure Icon

Secure PDF

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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