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ISO 9556:2025

Steel and iron — Determination of total carbon content — Infrared absorption method after combustion in an induction furnace

Publication date:   Jul 8, 2025

General information

60.60   Standard published   Jul 8, 2025

ISO

ISO/TC 17/SC 1 Methods of determination of chemical composition

International Standard

77.080.01   Ferrous metals in general

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Scope

This document specifies an infrared absorption method after combustion in an induction furnace for the determination of the total carbon content in steel and iron.
The method is applicable to carbon contents between 0,003 % (mass fraction) and 4,5 % (mass fraction).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9556:1989

NOW

PUBLISHED
ISO 9556:2025
60.60 Standard published
Jul 8, 2025