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National standards and national normative documents

Publication date

December 2023

Number of pages

46 p.

Reference

NF EN 1561

ICS Codes

77.140.80 Iron and steel castings

Print number

1

European kinship

EN 1561:2023

Replaced standards (1)

NF EN 1561

December 2011

Standard Cancelled

Founding - Grey cast irons

Le présent document spécifie les propriétés des fontes à graphite lamellaire non alliées et faiblement alliées, coulées dans des moules en sable ou des moules ayant un comportement thermique comparable. Les propriétés permettant de caractériser les fontes à graphite lamellaire sont soit la résistance à la traction des échantillons coulés soit la dureté mesurée sur des pièces ou sur un appendice attenant à la pièce. Six nuances de fonte à graphite lamellaire sont spécifiées grâce à une classification basée sur la résistance à la traction, mesurée sur des éprouvettes usinées. Six autres nuances de fonte à graphite lamellaire sont spécifiées grâce à une classification basée sur la dureté Brinell. Il ne s'applique pas aux fontes à graphite lamellaire utilisées pour les tuyaux et les raccords, conformément à la NF EN 877.

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