NF EN ISO 4498
NF EN ISO 4498

NF EN ISO 4498

January 2008
Standard Cancelled

Sintered metal materials, excluding hardmetals - Determination of apparent hardness and microhardness

Le présent document spécifie les méthodes d''essai de la dureté des matériaux frittés, à l''exclusion des métaux-durs.

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National standards and national normative documents

Publication date

January 2008

Release date

juillet 2010

Number of pages

22 p.

Reference

NF EN ISO 4498

ICS Codes

77.040.10   Mechanical testing of metals
77.160   Powder metallurgy

International kinship

ISO 4498:2005

European kinship

EN ISO 4498:2007
Sumary
Sintered metal materials, excluding hardmetals - Determination of apparent hardness and microhardness

Le présent document spécifie les méthodes d''essai de la dureté des matériaux frittés, à l''exclusion des métaux-durs.
Replaced standards (3)
NF EN 24498-1
NF EN 24498-1
August 1993
Standard Cancelled
Sintered metal materials, excluding hardmetals. Determination of apparent hardness. Part 1 : materials of essentially uniform section hardness.

NF A95-321-3
NF A95-321-3
December 1988
Standard Cancelled
Powder metallurgy. Sintered metal materials, excluding hardmetals. Determination of hardness. Part 3 : sintered products hardened on a surface by other treatments than in NF A 95-321-2.

La présente partie de norme définit la dureté des matériaux frittés au moyen des méthodes Vickers sur des matériaux frittés hétérogènes ayant subi un traitement de surface, tel que dépôts électrolytiques ou chimiques, CVD, PVD, laser, bombardement ionique.

NF A95-321-2
NF A95-321-2
December 1988
Standard Cancelled
Powder metallurgy. Sintered metal materials, excluding hardmetals. Determination of apparent hardness. Part 2 : case-hardened ferrous materials, surface enriched by carbon or carbon and nitrogen.

La présente norme définit la dureté des matériaux frittés au moyen des méthodes Brinell, Rockwell et Vickers. Cette dureté est souvent appelée dureté apparente. Ces méthodes s'appliquent ici aux produits frittés hétérogènes ayant subi un traitement de surfacetel que la dureté varie sur une profondeur inférieure à 5 mm en dessous de la surface, par exemple : trempe superficielle, cémentation, traitement de diffusion, carbonitruration, su sulfocarbonitruration.

Standard replaced by (1)
NF EN ISO 4498
NF EN ISO 4498
August 2010
Standard Current
Sintered metal materials, excluding hardmetals — Determination of apparent hardness and microhardness

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