ISO 4698:1994
Iron ore pellets — Determination of relative free-swelling index
Reference number
ISO 4698:1994
Edición 1
1994-01
Retirada
ISO 4698:1994
10680
Retirada (Edición 1, 1994)

Resumen

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.

Informaciones generales

  •  : Retirada
     : 1994-01
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 13
  • ISO/TC 102/SC 3
    73.060.10 
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