Wholesale Blast-furnace Coke in USA, Europe

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
Name of index	КД 1	КД 2
Ash content A^d, at most	11	12
Mass fraction of total sulfur S^d_t, at most	2	1,6
Mass fraction of total moisture W^r_t, at most	5	5
Strength index:
М25^кв, at least	86	84
М25^кр, at least	87,5	85,5
М10^кв, at most	7,5	8
М10^кр, 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
Name of index	КД 1	КД 2
Ash content A^d, at most	13	13
Mass fraction of total sulfur S^d_t, at most	1,6	1,6
Mass fraction of total moisture W^r_t, 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
Name of index	КДП 1	КДП 2	КДП 3
Ash content A^d, %, at most	10,7	11	11,5
Mass fraction of total sulfur S^d_t,%, at most	0,85	1	1,2
Mass fraction of total moisture W^r_t, %, at most	6	5	5
Volatile-matter yield V^daf, %, 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 S^d_t, at most	0,6	0,6	1	1	1,4	1,4
Ash content А^d, at most	12	12	11,5	11,5	11,5	11,5
Mass fraction of total moisture W^r_t, 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 A^d, at most	11	13	15	16
Mass fraction of total moisture W^r_t, 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.