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Status : Active
Standard Type : Main
Document No : ISO 9556:2025
Document Year : 2025
Pages : 14
Edition : 2
Section Volume : Methods of determination of chemical composition (ISO/TC 17/SC 1.)
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).