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ISO 5179:2021

Investigation of brazeability with spreading and gap-filling test

Publication date:   Mar 8, 2021

General information

90.93   Standard confirmed   Jul 29, 2026

ISO

ISO/TC 44/SC 13 Brazing materials and processes

International Standard

25.160.50   Brazing and soldering

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Scope

This document specifies three test methods for investigating brazeability.
A spreading test shows testing method with measurement of the spread area of the filler metals.
A T-joint test describes a scheme to construct a T-shape design by the test pieces and a testing method.
A varying gap test describes a test piece and a testing method for assessing the influence of the various parameters which can influence brazing during manufacture as a function of clearances.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5179:1983

NOW

PUBLISHED
ISO 5179:2021
90.93 Standard confirmed
Jul 29, 2026