Alloy Products Ferro Silicon 72 with High Quality

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
23 m.t.
Supply Capability:
1930 m.t./month

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Product Description:

 

Description 

 Ferro Silicon is one  of ferroalloy which is made from  ferrum and silicon. Ferro Silicon uses coke, quartz 

(or silica) as raw materials and is made by electric furnace. Thanks to  silicon and oxygen are easily compound 

into SiO2, the ferrosilicon is often used as deoxidizer in steelmaking. 

Features 

1. Ferrosilicon also can be used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal, bearing steel, heat-resistant steels and electrician silicon-steel. 

2. It can be used as a reductant in ferroalloy production and chemical industry. 

3. In iron industry it can be used as inoculant and nodulizer.

 

Specification

Brand

Chemical  Composition (%)

Si

Al

Ca

P

S

C

Fe

               <=< span="">

FeSi75-A

74.0-80.0

1.5

1

0.035

0.02

0.2

Balance

FeSi75-B

72.0-80.0

1.5

1

0.04

0.02

0.2

Balance

FeSi72

72

1.5

1

0.04

0.02

0.2

Balance

FeSi70

70

1.5

1

0.04

0.02

0.2

Balance

FeSi65

65.0-72.0

2

1

0.04

0.02

0.2

Balance

FeSi45

40.0-47.0

2

2

0.04

0.02

0.2

Balance

Pictures

 

Alloy  Products Ferro Silicon 72 with High Quality

Alloy  Products Ferro Silicon 72 with High Quality

Alloy  Products Ferro Silicon 72 with High Quality

 

 

FAQ

1 About Packaging & Shipping?
Plastic bag(antiproof) +Iron barrel, all adjustable to customer's specific demands.

2 0-3mm,3-10mm,10-100mm or as the customers’ requirements 

 3 Packing?

25Kg/bag, 1MT/bag or as your requirements.

 

 

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Q:Who knows what the melting points of hematite and limonite are?
General brown iron ore is 37% ~ 55%, sometimes higher phosphorus. Absorbent limonite is very strong, generally absorbed a lot of water, remove the free water and crystal water in or into the blast furnace after heating, thus increasing the ore porosity, which greatly improves the ore reduction. The reduction ratio of limonite of hematite and magnetite are better. At the same time, the removal of water corresponding increase iron ores.Because it is a mixture of melting point is not OK. The melting point of iron is 1534 degrees to 1200 degrees, iron general enough.
Q:What are the factors that affect the rate of reduction of iron ore?
Magnetite is relatively compact with low porosity and poor reducibility. When roasting, Fe3O4 is oxidized to Fe2O3, which leads to a certain degree of porosity of the ore block, increases porosity, and improves reducibility. Limonite is weathered by hematite and has loose tissue, high porosity and good reducibility. Pores in the ore have size, open or closed, thick wall or thin wall, but only when the openings in the ore for a long time, in order to obtain higher reducibility.
Q:What are the environmental protection elements in iron ore?
7 poisonous and harmful elements such as mercury, arsenic, lead, cadmium, sulfur, chlorine and fluorine in iron ore.Iron is the world's earliest discovery, the most widely used, the amount is also the most metal, its consumption accounts for about 95% of the total consumption of metal. Iron ore is mainly used in the iron and steel industry, smelting carbon containing different pig iron (including carbon content is generally more than 2%) and steel (carbon content is generally below 2%).
Q:How many kinds of iron ore are there? What is the color lattice of an ore?
Hematite (Hematite) is also an iron oxide ore, the main component is Fe2O3, dark red, the specific gravity of about 5.26, containing Fe70%, O 30%, is the most important iron ore.
Q:Excuse me, what is the competitive power between the iron ore mine and the mine now?
The world's iron ore resources are concentrated in Australia, Brazil, Russia, Ukraine, Kazakhstan, India, the United States, Canada, South Africa and other countries. Chinese as the world's largest iron ore demand of iron ore reserves, although its not less, but unfortunately the grade is relatively low, from the industrial perspective, rather than from the rich of rich iron ore from Australia, Brazil and other countries to import.
Q:Types of iron ore
Hematite hematite is anhydrous iron oxide ore, its chemical formula is Fe2O3, the theoretical iron content is 70%. This kind of ore often forms huge ore deposits in nature, and it is the main ore of industrial production from the burial and mining amount.
Q:Is pyrite the pyrite?
The main component of pyrite is different with the composition of ferrous sulfide, pyrite.
Q:Characteristics of hematite
The chemical composition of hematite is Fe2O3, and crystal is an oxide mineral of three square system. Similar to that of equiaxed magnetic hematite. Crystals are usually plate-like; aggregates are usually flaky, scaly, kidney like, oolitic, blocky, or earthy. A reddish brown, steel gray to black color, streak are cherry red. Metallic to semi metallic luster. Moss hardness 5.5 ~ 6.5, specific gravity 4.9 ~ 5.3. It is iron black, metallic luster, flaky hematite called border iron ore; a steel gray, metallic luster, scaly called mica hematite, Chinese called "cloud" iron; reddish brown earthy luster dim called ochre, Chinese called "Dai zhe", and to "" refers to the ochre hematite.
Q:What is the difference between iron ore in different countries? Which is the best and the worst?
The supply of iron ore in China mainly comes from four major suppliers in two countries, namely, CVRD group in Brazil, BHP Billiton group in Australia, Rio Tinto Group and FMG group
Q:Why screw steel, wire rod is Chinese unique, no outside?
Screw steel, wire is not unique because Chinese, outside because the iron and steel industry is a sunset industry in Europe and other developed countries, new homes a year throughout Europe starts is not a city of Beijing. Rebar and wire rod were officially listed on the Shanghai stock exchange in March 27th 09.

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