ISO-23825 Method for evaluating the nodularity of spheroidal carbides - Steels for cold heading and cold extruding

ISO-23825 - 1ST EDITION - CURRENT


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This document specifies a micrographic method based on comparison charts for determining the degree of spheroidisation of carbides after annealing of wire rod, wire or bars made of non-alloy and low alloy steels intended for cold heading and cold extrusion. The range of carbon content is up to 1,20 % C.

In addition, Annex A includes a method based on machine vision for routine measurements.

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77.140.10 (Heat-treatable steels)

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Document Number

ISO 23825:2020

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 2020

Committee Number

ISO/TC 17/SC 4