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        Short description
        A solid product, which is got by burning of hard coal without air access; it is used as a fuel.

        Blast-furnace coke TU Y 322-00190443-114-96 with amendments 1, 2, 3, and 4

        Name of index Norm for class and grade 25 mm and more
        КД 1 КД 2
        Ash content Ad, at most 11 12
        Mass fraction of total sulfur Sdt, at most 2 1,6
        Mass fraction of total moisture Wrt, at most 5 5
        Strength index:    
        М25кв, at least 86 84
        М25кр, at least 87,5 85,5
        М10кв, at most 7,5 8
        М10кр, at most  7 7,5
        Mass fraction of lumps with a size of, %:    
        more than 80 mm 11 15
        less than 25 mm 3,5 4

        Blast-furnace coke with the grain-size fraction of 40 mm and more TU U 23.1-00190443-070-2002 with amendments 1, 2, and 3

        Name of index Norm for class and grade 25 mm and more
        КД 1 КД 2
        Ash content Ad, at most 13 13
        Mass fraction of total sulfur Sdt, at most 1,6 1,6
        Mass fraction of total moisture Wrt, at most 5 5
        Strength index:    
        М40, at least 72 70
        М25, at least 84 84
        М10, at most 8 8,5
        Mass fraction of lumps with a size of, %:    
        more than 80 mm, at most 13 13
        more than 40 mm, at least 88 88
        less than 25 mm, at most 3 4,5

        The index “Mass fraction of total moisture” is not a reject; it serves for calculation of the weight of a lot of blast-furnace coke being delivered to the Consumer as dry matter.

        Premium grade blast-furnace coke

        Name of index Norm for a type
        КДП 1 КДП 2 КДП 3
        Ash content Ad, %, at most 10,7 11 11,5
        Mass fraction of total sulfur Sdt, %, at most 0,85 1 1,2
        Mass fraction of total moisture Wrt, %, at most 6 5 5
        Volatile-matter yield Vdaf, %, a most 0,8 1 1,2
        Coke Reactivity Index CRI, %, at most 29 34 35
        Coke Residue Strength after reaction CSR, %, at least 56 48 45
        Strength indices, %:      
        M40, at least 78 77 76
        M25, at least 88 87 86
        M10, at most 7,2 7,5 7,6
        Mass fraction of lumps with a size of, %:      
        more than 80 mm 15 15 15
        less than 25 mm 3,5 4 4

        The index “Mass fraction of total moisture” is not a reject; it serves for calculation of the weight of a lot of blast-furnace coke being delivered to the Consumer as dry matter.

        The index “Volatile-matter yield” is not a reject and serves as the additional characteristic of blast-furnace coke.

        Strength index M40 is not a reject being determined at the Consumer’s request stipulated in the Product Delivery Contract. 

        The strength indices of blast-furnace coke meant for export are permitted to be determined according to GOST 8929.

        Foundry Coal Coke

        Name of index Norm for grade and class
        КЛ 1 КЛ 2 КЛ 3
        60 mm and more 40 mm and more 60 mm and more 40 mm and more 60 mm and more 40 mm and more
        Mass fraction of total sulfur Sdt, at most 0,6 0,6 1 1 1,4 1,4
        Ash content Аd, at most 12 12 11,5 11,5 11,5 11,5
        Mass fraction of total moisture Wrt, at most 5 5 5 5 5 5
        Strength index M40, at least 76 74 78 76 78 76
        Mass fraction of lumps less than lower limit, at most 14 6 15 6 16 6
        including the lumps less than 40 mm, at most 5 - 5 - 5 -

        The change of indices shall be stipulated in the Product Delivery Contract by agreement between the Supplier and the Consumer.

        Nut coke TU U 19.1-00190443-120:2012

        Name of index Norm for grade and class
        10-25 mm 8-25 mm
        КО 1 КО 2 КО 3 КО-4
        Ash content Ad, at most 11 13 15 16
        Mass fraction of total moisture Wrt, at most 20 20 20 22
        Mass fraction of lumps with a size of, %:        
        more than 25 mm 10 10 10 10
        less than 10 mm 9 12 15 -
        less than 8 mm - - - 15

        The index “Mass fraction of total moisture” is not a reject; it serves for settlement with the Consumer.

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