ISO 4698:1994
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ISO 4698:1994
10680

Résumé

The principle of the method specified is determination of swelling of fired iron ore pellets of a specified size range under isothermal reduction, determination of the volume of pellets before and after reduction at a temperature of 900 °C, using a reducing gas consisting of carbon monoxide and nitrogen, calculation of the free-swelling index, expressed as a percentage, using the difference between the two volumes.


Informations générales 

  •  : Annulée
     : 1994-01
  •  : 1
     : 13
  •  : ISO/TC 102/SC 3 Essais physiques
  •  :
    73.060.10 Minerais de fer

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