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Premium quality Hot Briquetted Iron (HBI)

A high-quality raw material for various types of steelmaking (including special bar quality steels.)

Premium quality HBI is almost free of harmful impurities. Its chemical and physical properties make it a high-grade raw material to be used with metal charge in steelmaking furnaces.

The final dimensions and characteristics are agreed with the customer individually

General information

Enterprise Lebedinsky GOK
Normative document name TU 0726-003-00186803-2009
Briquette length (mm) 100-120
Briquette width (mm) 45-55
Briquette thickness (mm) 30-40
Weight content of reference grain size lower than 6.35 mm (%) (when transported by sea) 4.19 (maximum 5.0)
Weight content of reference grain size lower than 4 mm (when transported by any other transport except for sea) 2.55 (maximum 5.0)
Bulk density (kg/dm3) 2.55 (not regulated)
Specific loading volume (dm3 / kg) 0.392 (not regulated)
Angle of repose (degrees) 27.2-33.7 (not regulated)
Briquette density (g/cm3) 5.0 / minimum 5.0
Briquette weight (kg) ~0.5
Impact strength (%) 76.81 (not regulated)
Distinctive characteristics and properties

HBI is produced from iron ore fluxed pellets based on HyL and MIDREX technology.

It is characterised by high content of valuable elements and low content of harmful impurities.

Moistened by atmospheric precipitation, HBI can temporarily heat up to 45-65°C, releasing vapour and hydrogen.

During oxidation, HBI absorbs oxygen, making the air in the HBI storage facilities potentially dangerous for people.

HBI can ignite when exposed to open flame, drops of molten metal, in contact with heated materials and flammable substances, as well as when moistened with sea water.

Industrial applications Steel industry
Area of application Steelmaking
Сharacteristic Value
Fe total content (%) 91.00

(minimum 90.0)

Fe metallic content (%) 84.87

(minimum 83.0)

Metallisation degree (%) 93.26

(minimum 92.0)

FeO content (%) 8.1

(not regulated)

Al2O3 content (%) 0.72

(not regulated)

СаО content (%) 0.94

(not regulated)

MgО content (%) 0.29

(not regulated)

S content (%) 0.007

(maximum 0.020)

P content (%) 0.009

(maximum 0.015)

K2O content (%) 0.05

(not regulated)

Na2O content (%) 0.08

(not regulated)

TiO2 content (%) 0.07

(not regulated)

SiO2 content (%) 3.74

(maximum 4.5)

C content (%) 1.29

(minimum 1.0)

Packaging and marking


Storage, transportation, delivery conditions

Minimum order 69 tonnes (delivery by hopper cars)
Transportation requirements HBI can be transported by all modes of transport: by road, rail and sea. When transported by rail, HBI cargo requires requires hopper cars with solid-bottom or with lower discharge gates. It should be transported in conditions safe from HBI contamination and mixing with other materials, as well as safe from cargo spillage and exposure to moisture during sea shipping. When transporting HBI in bulk by sea, ensure watertight holds.
Storage requirements

HBI must be stored on hard non-combustible surfaces that are pit-free to avoid water accumulation.

HBI stockpiles need to be protected from contamination by foreign objects and materials. Avoid moving any loose bulk cargo over the HBI stockpiles. HBI must be stored away from fine (pulverised) materials and any sources of heat.

HBI needs to be protected from open flames, electric and gas welding, from any contact with objects whose temperature exceeds 65°C, from electrical bus lines, molten metal, and from seawater moistening.

HBI should be stored in conditions safe from contamination and mixing with other materials.


According to the International Maritime Solid Bulk Cargoes Code (IMSBC) HBI belongs to МНВ Class (material hazardous in bulk), Group B.

When HBI is stored in an open stockpile exposed to atmospheric precipitation, the Fe metallic content in the surface layer might drop by 2-3% per month.

HBI loading-unloading operations should ensure its minimum destruction. HBI can be handled with a magnet lift or a grab crane. HBI discharge height in seaports should not exceed 1.0m.