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BS ISO 23825:2020 2021

BS ISO 23825:2020 2021

$142.49

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

Published By Publication Date Number of Pages
BSI 2021 32
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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.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
12 4 Sampling and sample preparation
5 Evaluation
5.1 General
5.2 Evaluation methods
13 6 Characterization of carbide particles by means of microscopic examination
6.1 Groups of steel grades and levels of spheroidisation
6.2 Series of diagrams
16 6.3 Procedure for carbide classification
6.3.1 General
6.3.2 Procedure
7 Test report
18 Annex A (informative) Automatised image processing for determining the level of carbide spheroidisation
30 Bibliography

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BS ISO 23825:2020 2021
$142.49