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31/08/2010
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31/08/2010
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Offer Description - Direct-reduced iron DRI
Place of Origin: Shandong China (Mainland) Brand Name: KBY Model Number: DRI- 100
Color: gray or black size: mesh
Packaging & Delivery
Packaging Detail : 50KG/ bag or customer design
Delivery Detail Within 30 days after the L/ C or other payment
Free DRI samples are available,
For magnetic materials, pharmaceutical and chemical, Metallurgy
Direct- reduced iron (DRI) , Our product apply for GB/ T 4136- 96 , Use of hot- rolled low carbon steel scales and ultra- pure mineral powders as raw materials, strict process control, Mainly used for iron based powder metallurgy parts manufacturing, Can also be used for magnetic materials, pharmaceutical and chemical. Direct- reduced iron (DRI) , also called sponge iron, is produced from direct of (in the form of lumps, pellets or fines) by a reducing gas produced from or coal. The reducing gas is a mixture majority of (H2) and (CO) which acts as reducing agent. This process of directly reducing the in solid form by reducing gases is called direct reduction. The conventional route for making consists of or plants, , , and . Such plants require high and raw materials of stringent . is needed to make a strong enough to support the burden in the blast furnace. Integrated steel plants of less than one million tons annual capacity are generally not economically viable. The coke ovens and sintering plants in an integrated steel plant are polluting and expensive units. Use of sponge ironSponge iron is not useful in itself, but can be processed to create . The sponge is removed from the furnace, called a , and repeatedly beaten with heavy ha mm ers 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") . Today, sponge iron is created by reducing iron ore without melting it. This makes for an energy- efficient feedstock for manufacturers which used to rely upon . TypeT FeCSSiMnAcid insolubleH2 Loss/ /
