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.