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    Problems in Sampling Ferroalloys with Emphasis on Ferrosilicon

    Published: 01 January 1973

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    This discussion is limited to the problems involved in obtaining a representative sample for chemical analysis of silicon alloys and L. C. Fe Cr alloys. The problems of segregation of elements within a product are discussed and comparative analysis as taken at the furnace, shipment preparation, and spot checks after preparation are given. The problems of taking samples by the customer and the related problem of processing them is also covered.

    Results of segregation studies and the significance of the lack of homogeneity within a given heat and also within a lot or composite of several heats are discussed. Supporting data shows that a proper sample can only be taken at one phase in the production—customer usage process.


    sampling, ferroalloys, ferrosilicon, castings, segregation inhomogeneity

    Author Information:

    Cline, JC
    Chief chemist, Interlake Inc., Beverly, Ohio

    Committee/Subcommittee: E02.04

    DOI: 10.1520/STP34749S