Iron and steel. Rockwell B, C, N and T reference hardness testing. Calibration of standardized blocks (standardized blocks).

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Main informations

Collections

National standards and national normative documents

Publication date

December 1974

Number of pages

8 p.

Reference

NF A03-506

Classification index

A03-506

Print number

International kinship

ISO/R 674:1968

European kinship

EU 117-75

Standard replaced by (1)

NF A03-506

October 1986

Standard Cancelled

Metallic materials. Rockwell hardness tests (scales A-B-C-D-E-F-G-H-K). Calibration of standardized block.

La présente norme décrit : - la fabrication des blocs, - la machine d'étalonnage, - la méthode d'étalonnage, à utiliser pour la réalisation de l'étalonnage des blocs de référence servant au contrôle indirect des machines de dureté Rockwell selon la NF A 03-503.

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