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About This Item

 

Full Description

Sets out the method for determining the grindability index of higher rank coal, using the Hardgrove machine. Calibration using ASCRM 011 is included.
 

Document History

  1. AS 1038.20-2002


    Coal and coke - Analysis and testing, Part 20: Higher rank coal - Hardgrove grindability index

    • Most Recent
  2. AS 1038.20-1992

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    Coal and coke - Analysis and testing, Part 20: Higher rank coal - Hardgrove grindability index

    • Historical Version
  3. AS 1038.20-1981


    Methods for the analysis and testing of coal and coke, Part 20: Hardgrove grindability index of hard coal

    • Historical Version
  4. AS K164-1967


    Method for determining the Hardgrove grindability index of hard coal

    • Historical Version