Sponge Iron - Chinaprice: contact company for price
(4)be made in rotary kiln
Sponge Iron is a substitute of steel scrap for steel making through the secondary route i.e. DR/EF route. This also replaces ferrous scrap as a coolant in LD converter. The value of DRI is measured by comparing its cost and properties with those of scrap. It's non pyrophoric. It's free from tramp elements viz Copper, Zinc, Tin, Chromium, Tungsten and Molybdenum etc that are usually present in scrap. It has low Sulphur content
It has the ability to use low grade fuels and fuels that are unacceptable for conventional iron making. It is more suited for some special metallurgical processes than conventional iron & steel products e.g. Precipitation of copper from leaching solution during copper extraction. Production of metal objects by powder compaction.
Sponge Iron is mainly used as a raw material for speciality steel as well as substitute for scrap. Made from iron ore, sponge iron in itself is not used. It is further processed to make wrought iron. The rise in price of scrap and other factors has led to the increase in the use of sponge iron for making good quality steel.
The quality of sponge iron is primarily ascertained by the percentage of metallization (removal of oxygen), which is the ratio of metallic iron to the total iron present in the product. Sponge iron manufacture is highly sensitive to raw material characteristics.
Therefore, it is essential to examine the chemical and physical characteristics of raw materials, both individually and in combination.
The sponge iron is a key raw material for the manufacture of steel. The appropriate percentage of metallization (removal of oxygen) ensures the high quality of the sponge iron. The percentage of metallization is the ratio of metallic iron to the total iron present in the product
Use of sponge iron
Sponge iron is not useful in itself, but can be processed to create . The sponge is removed from the furnace, and repeatedly beaten with heavy hammers and folded over to remove the slag, any carbon or carbide and the iron together. This treatment usually creates wrought iron with about three percent slag and a fraction of a percent of other impurities. Further treatment may add controlled amounts of carbon, allowing various kinds of heat treatment (e.g. 'steeling').
In recent years, refinements to the production of sponge iron have made it possible to reduce the iron without necessarily having to melt the ore. Because the iron can be made into pellets and even into powder, it is an economic and useful substitute for the scrap metal sometimes used by steel manufacturers. The amount of time and resources required to produce sponge iron is minimal, so it is possible to manufacture large amounts quickly, a fact that only adds to the advantages of this type of iron product
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- Posted By: Gongyi Xingda material trade Co.Ltd
- Phone: 86037169575758
- Address: gongyi,henan, gongyi, China
Published date: September 7, 2012 -
- Business Description: Gongyi Xingda Material Trade Co.Ltd was set up in 1991,specialized in manufacturing reduced iron powder and sponge iron
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