NF EN ISO 945-1

NF EN ISO 945-1

February 2018
Standard Cancelled

Microstructure of cast irons - Part 1 : graphite classification by visual analysis

ISO 945-1:2017 specifies a method of classifying the microstructure of graphite in cast irons by comparative visual analysis. The purpose of this document is to provide information about the method of graphite classification. It is not intended to give information on the suitability of cast-iron types and grades for any particular application. The particular material grades are specified mainly by mechanical properties and, in the case of austenitic and abrasion resistant cast irons, by their chemical composition. The interpretation of graphite form and size does not allow a statistically valid statement on the fulfilment of the requirements specified in the relevant material standard.

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Main informations

Collections

National standards and national normative documents

Publication date

February 2018

Number of pages

42 p.

Reference

NF EN ISO 945-1

ICS Codes

77.080.10   Irons

Classification index

A32-100-1

Print number

1

International kinship

ISO 945-1:2018

European kinship

EN ISO 945-1:2018
Sumary
Microstructure of cast irons - Part 1 : graphite classification by visual analysis

ISO 945-1:2017 specifies a method of classifying the microstructure of graphite in cast irons by comparative visual analysis.

The purpose of this document is to provide information about the method of graphite classification. It is not intended to give information on the suitability of cast-iron types and grades for any particular application.

The particular material grades are specified mainly by mechanical properties and, in the case of austenitic and abrasion resistant cast irons, by their chemical composition. The interpretation of graphite form and size does not allow a statistically valid statement on the fulfilment of the requirements specified in the relevant material standard.

Replaced standards (1)
NF EN ISO 945-1
May 2009
Standard Cancelled
Microstructure of cast irons - Part 1 : graphite classification by visual analysis

Le présent document établit une désignation et une classification du graphite en fonction de la forme, de la répartition et de la taille des particules.

Standard replaced by (1)
NF EN ISO 945-1
July 2019
Standard Current
Microstructure of cast irons - Part 1 : graphite classification by visual analysis

<p>This document specifies a method of classifying the microstructure of graphite in cast irons by comparative visual analysis.</p> <p>The purpose of this document is to provide information about the method of graphite classification. It is not intended to give information on the suitability of cast-iron types and grades for any particular application.</p> <p>The particular material grades are specified mainly by mechanical properties and, in the case of austenitic and abrasion resistant cast irons, by their chemical composition. The interpretation of graphite form and size does not allow a statistically valid statement on the fulfilment of the requirements specified in the relevant material standard.</p>

Table of contents
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  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Généralités
  • 5 Prélèvement et préparation des échantillons
  • 6 Mode opératoire pour la classification du graphite
  • 7 Images de référence
  • 8 Désignation du graphite par sa forme, sa répartition et sa taille
  • 9 Rapport
  • Annexe A Formes typiques du graphite dans les fontes - Exemples de micrographies
  • Annexe B Répartition des lamelles de graphite (forme I) - Exemples de micrographies
  • Annexe C Terminologie usuelle et principales conditions d'apparition des différents types de graphite dans les fontes
  • Bibliographie
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