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ISO 4746:1977

Oxygen-free copper — Scale adhesion test ISO 4746:1977

Publication date:   Aug 1, 1977

General information

90.93   Standard confirmed   Jul 4, 2025

ISO

ISO/TC 26 Copper and copper alloys

International Standard

77.040.99   Other methods of testing of metals

Buying

Published

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Scope

Provides a means of assessing the usability in electronic devices, for applications involving glass-to-metal seals, or other uses relying on the formation and presence of an adherent film of copper oxide. The procedure includes preparation and heating in air of a test piece, followed by rapid cooling in water and visual examination for loss of the oxide film or blistering.

Life cycle

NOW

PUBLISHED
ISO 4746:1977
90.93 Standard confirmed
Jul 4, 2025




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