To make steel, iron ore is first mined from the ground. It is then smelted in blast furnaces where the impurities are removed and carbon is added. In fact, a very simple definition of steel is "iron alloyed with carbon, usually less than 1%."

May 09, 2013· Cleaner, Cheaper Way to Make Steel Uses Electricity ... making iron and steel is a mature process around the world. ... it is usually in the form of an ore. Conventional processing methods use a ...

Therefore, steel makers generating EAF dust can sell it to the iron and steel factories working by blast furnaces where dust can be blended with the ore as a rich source of iron. Cement factories may also use the EAF dust as a flux material to accelerate reactions and reduce energy consumption.

There were three types of ferrous metal in use in the Colonial period: cast iron (high in carbon and brittle but excellent for making items like frying pans, Dutch ovens, cannon balls and the cheaper grades of cannon); wrought iron (low in carbon and very tough so excellent for anchor chains, nails and musket barrels) and steel (carefully controlled amounts of carbon allowed steel to be hardened for specific .

Iron Ore Pellets: North America, BF and DR Grade, Supply and Quality Dr. Joseph J. Poveromo Raw Materials Ironmaking Global Consulting Bethlehem, PA 3rd COREM Symposium on Iron Ore Pelletizing Sept. 29 – Oct. 2, 2013 Quebec City . BF Grade Pellet Supply NAFTA ... Increased use of fluxed pellets, continued ...

SLAG IRON AND STEEL 16 Slag Iron and Steel S lag is a byproduct generated during manufacturing of pig iron and steel. It is produced by action of various fluxes upon gangue materials within the iron ore during the process of pig iron making in blast furnace and steel manufacturing in steel melting shop.

Iron ore is the source of primary iron for the world's iron and steel industries. It is therefore essential for the production of steel, which in turn is essential to maintain a strong industrial base. Almost all (98%) iron ore is used in steelmaking. Iron ore is mined in about 50 countries.

Chemical composition of iron and steel slag. The primary components of iron and steel slag are limestone (CaO) and silica (SiO 2 ). Other components of blast furnace slag include alumina (Alsub>2O 3) and magnesium oxide (MgO), as well as a small amount of sulfur (S), while steelmaking slag contains iron oxide (FeO) and magnesium oxide (MgO).

Sinter is the primary feed material for making iron in a blast furnace. Sinter is created by mixing iron ore concentrate with several additives such as limestone and silica to control the chemistry and then igniting it at 1200°C in a continuous beltfed furnace.

Electric Arc Furnaces. In electric arc furnaces, scrap iron and steel, scrap substitutes such as DRI and HBI, pig iron, iron ore, and beneficiated iron ore are placed in a furnace and melted by the use of heat from an electric current. A lime flux consisting of quicklime or .

The study aimed at investigating the chemical composition and microstructure of raw iron ore from the deposits in Muko area (southwestern Uganda). The quality of this iron ore was evaluated to establish its suitability to serve as a raw material for iron production. Samples were taken from the six hills of Muko ore deposits and tests carried out to establish their composition and properties.

Use of DRI/HBI in ironmaking and steelmaking furnaces. ... metallur gical process consists in the reduction of iron ore. ... society, particularly for the iron and steel making industr ies.

diagram of the iron and steel industry in Figure Coke production is discussed in detail in Section of this publication, and more information on the handling and transport of materials is found in Chapter 13. Sinter Production The sintering process converts finesized raw materials, including iron ore, coke breeze,

then refined into steel in the next step – the steel making furnaces. The molten pig iron is transferred into the steel making furnaces. These furnaces apply high

Charcoal is more than just a heat source for producing iron from its ores. The key step in smelting iron ore to make raw metal is providing a reducing agent as well as heat: a reducing agent is a chemical that reacts with the iron oxides in the ore to release the iron in metallic form.

Iron ores are almost entirely used in the manufacture of pig iron and steel. Non – metallurgical uses are very few. Spathic iron ore, also known as siderite, is used for the production use of the hydrogen by the steam iron content proceeds.

The direct process does not produce molten metal like modern methods, instead it uses the chemistry of a carbon rich charcoal fire to separate pure iron particles from the ore and, under just the right conditions, add some carbon to it to make steel.