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ISO 23825:2020

Method for evaluating the nodularity of spheroidal carbides — Steels for cold heading and cold extruding

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Kehtiv alates 23.12.2020
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23.12.2020
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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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