Presentation and governance
UNM and its ecosystem
Standardization for the benefit of the market
Mecallians, the French mechanical industries
Our 115 standardization committees
S-AM : Standardisation of additive manufacturing European projet
European and international leadership
Maintenance agencies
UNM and the European “Machinery” Regulation
NF EN ISO 4545-1 Matériaux métalliques – Essai de dureté Knoop – Partie 1 : Méthode d’essai
Série NF EN ISO 4545 Dureté Knoop appliquée aux matériaux métalliques