ISO 9556:1989

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

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.