ISO 9556:1989Withdrawn

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

Aciers et fontes — Dosage du carbone total — Méthode par absorption dans l'infrarouge après combustion dans un four à induction

This edition has been replaced by ISO 9556:2025.

Abstract / scope

The method is applicable to carbon contents between 0,003% (m/m) and 4,5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. The annexes give additional information on the international co-operative tests, a graphical representation of precision data and features of induction furnaces and carbon analysers.

Life cycle

Replaced by

ISO 9556:2025PublishedSteel and iron — Determination of total carbon content — Infrared absorption method after combustion in an induction furnaceInternational Standard · Published 8 Jul 2025 · ISO/TC 17/SC 1