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        Chromium metal

        GOST 5905-2004 /ISO 10387 : 1994/ (supersedes GOST 5905-79)

        Typrs (GOST) Mass content, %
        Cr Si Al Fe C S P Cu
        At least Up to
        Х99Н1 99 0,2 0,5 0,5 0,01 0,02 0,005 0,005
        Х99Н2 99 0,2 0,2 0,5 0,03 0,02 0,01 0,008
        Х99Н4 99 0,2 0,2 0,5 0,03 0,02 0,02 0,01
        Х99Н5 99 0,2 0,5 0,5 0,03 0,02 0,02 0,01
        Х99 99 0,2 0,5 0,5 0,03 0,02 0,02 0,02
        Х98,5 98,5 0,4 0,7 0,6 0,03 0,02 0,02 0,02
        Х97,5 97,5 0,5 1,5 1,2 0,05 0,04 0,03 0,05
        Types (GOST) Mass content, %
        As Bi Sb Zn Pb Sn Co N
        Up to
        Х99Н1 0,01 0,0004 0,002 0,005 0,0005 0,004 - 0,01
        Х99Н2 0,01 0,0005 0,006 0,006 0,0008 0,004 0,005 0,02
        Х99Н4 0,01 0,0005 0,008 0,006 0,0008 0,004 0,005 0,04
        Х99Н5 0,01 0,0005 0,008 0,006 0,0008 0,004 - 0,05
        Х99 0,01 0,0005 0,008 0,01 0,001 0,004 - -
        Х98,5 0,01 0,0005 0,008 0,01 0,001 0,004 - -
        Х97,5 - - - - - - - -
        Types (ISO) Mass content, %
        Cr Si Al Fe C S P Cu
        At least Up to
        RECr99,6 99,6 0,04 0,01 0,35 0,05 0,01 0,005 0,005
        ECr99,2 99,2 0,01 0,005 0,2 0,02 0,03 0,005 0,005
        ECr99,2 99 0,1 0,3 0,3 0,01 0,01 0,01 0,005
        ACr98,5 98,5 0,3 0,5 0,5 0,03 0,02 0,02 0,01
        ACr98 98 0,5 0,7 0,8 0,05 0,04 0,03 0,04
        Types (ISO) Mass content, %
        As Bi Sb Zn Pb Sn N O N
        Up to
        RECr99,6 - - - - 0,001 - 0,02 0,05 0,001
        ECr99,2 0,005 0,003 0,005 0,005 0,003 0,001 0,03 0,55 0,1
        RACr99 0,005 0,0005 0,002 0,005 0,005 0,004 0,01 - -
        ACr98,5 0,01 0,001 0,008 0,01 0,001 0,006 0,05 - -
        ACr986 - - - - - - - - -

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