Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon

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25 m.t.
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2000 m.t./month

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Place of Origin:

Henan, China (Mainland)

Brand Name:

CNBM

Model Number:

Si-C

Application:

refractory or abrasives

Shape:

Lump

Material:

SiC

Dimensions:

Si:56%±1, C:17±1

Chemical Composition:

Silicon ,Carbide



Packaging & Delivery

Packaging Details:1mt/big bag
Delivery Detail:with 20 work days after deposit

Product Description

Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon

As the new alloy for converter, Si-C alloy can replace Ferro Silicon to be used as deoxidizer.

Characters: lower steelmaking cost, increase economic benefit, improve product quality and stable performance.

Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon


Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon


Si-C:

1.    Replace Ferro Silicon

2.    Reduce the alloy quantity

3.    Improve the quality of liquid steel (reduce carburant )

4.    Lower production cost

 

Optimization Solutions:

Steel

FeSi Solution

Si-C Solution

HRB335

MnFe+FeSi+SIAlFe+SiC+Carburant

MnSi + Si-C

Q195

MnFe+FeSi+SiAlBaCa+Wire Feeding

MnSi+Si-C+SiAlBaCa+Wire Feeding

Q235

MnFe+FeSi+ SiAlBaCa+Carburant

MnSi+Si-C+SiAlBaCa

 

How to Use?

HRB335: During tapping, add SiMn Alloy when the liquid steel tapped about 1/3, at the same time, put Si-C gradually to the steel ladle.

 

Q195: During tapping, add SiMn Alloy when the liquid steel tapped about 1/3, then SiAlBaCa, at the same time, put Si-C gradually to the steel ladle, and feed wire at argon blown station.

 

Q235: During tapping, add SiMn Alloy when the liquid steel tapped about 1/3, then SiAlBaCa, at the same time, put Si-C gradually to the steel ladle.

 

Chemical Compositions:


Si (%)

C (%)

Ca

Si-C

56±1

17±1

/

 

Advantages: 

1.    Si-C can replace Ferro Silicon and Carburant to do the deoxidation alloying.

2.    Using Si-C instead of Ferro Silicon will help to improve the quality of steel.

3.    It will helps to lower the cost, gain profit and strength the competitive advantage. 

Stability of the Alloy Element 

 

Steel

 

Item

Category

Unit

Test Steel

Un-test Steel

Comparison

 

 

 

HRB335

No. of Heat

Heat

17

30


Internal Control Qualification Rate of C, Si, Mn

%

100

86.7

+13.3

Mean Squared Error of Mn

%

0.042

0.073

-0.034

Mean Squared Error of Si

%

0.048

0.071

-0.023

Mean Squared Error of C

%

0.012

0.014

-0.002

 

 

 

HRB400

No. of Heat

Heat

20

58


Internal Control Qualification Rate of C, Si, Mn

%

88.2

77.6

+10.6

Mean Squared Error of Mn

%

0.074

0.077

-0.003

Mean Squared Error of Si

%

0.043

0.080

-0.037

Mean Squared Error of C

%

0.015

0.018

-0.003

 

 

 

Q235

No. of Heat

Heat

18

30


Internal Control Qualification Rate of C, Si, Mn

%

72.2

53.3

+18.9

Mean Squared Error of Mn

%

0.044

0.039

+0.005

Mean Squared Error of Si

%

0.041

0.042

-0.001

Mean Squared Error of C

%

0.015

0.016

-0.001

From the above form, we can get the result that using Si-C alloy can help to improve the qualification rate.

 Mechanical Property Comparison: 


From the above forms, we can get the conclusion that, the mechanical property of the test steel, which has used SI-C, can be much more stable.
 

 

After using SI-C alloy, the average tapping temperature has been improved 9℃, and the average temperature drop has also increased 6℃. 

 

 We can see from the data that, using Si-C alloy can helps to save cost about 4.787RMB. 


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Q:What are grade classifications of the external walls for fireproofing?
The basic level can be divided into: A1, A2, B1, B2, B3 and other levels. There are many technical indicators to make specific division, but I partly cannot report for a while, because it is very professional and technical. Please contact Qingdao Shanfang Instrument Co., LTD for details, they specialized in the external wall thermal insulation materials fire rating testers.
Q:What kind of flexible fireproof material is really good?
The best one is grade A fireproof material. A-class fire flexible material adopts clay, stone, sand, cement blocks and other inorganic powder and modifier and product density is 2327 kg/m3. Upon examination, the combustion performance of this product is in accordance with the grade A specified requirements and additional classification meets A s2, d0, t0 level requirements. According to GB 8624-2006, the combustion performance of product reach A2 - s2, d0, t0 level.
Q:How to make use of waste refractory materials whose main elements are alumina and mullite?
Crushing and pressing refractory bricks, or refractory parts . Such as welding positioner tracks use disposable tools.
Q:Which are fireproofing external wall materials?
For example, Grade-A waterproofing external wall thermal insulation material: glass wool, foam glass, foam cement, hole-closed perlite, rock wool; Grade-B1 waterproofing external wall thermal insulation material: XPS after special treatment. There are also PU after special treatment, phenolic aldehyde and gelatine powder polyphenyl granule. Grade-B2 waterproofing external wall thermal insulation material: PE, and EPS. Grade-A: Completely fireproofing buliding material. Without probility of burning, completely fireproofing buliding material is expensive and unnecessary for home decoration. It is usually used in arsenal and electrical equipment department store. Grade-B1: nonflammable building material: With good flame resistance, nonflammable building material will not burn in the air or at high temperature, but it maby burn in the air and at high temperature. But when the fire source ransfers, it will be out immediately. Grade-B2: combustible building materials. Due to its small firresistance, it is easy to burn in the air or at high temperature, such as wooden building materials. The above are external wall fireproofing material of different classes.
Q:What are the meanings of azs, 34% and ec in fused brick?
The fused brick, also called zircon corundum brick, is shorted as AZS for three chemical components in Al2O3-ZrO2-SiO2 ternary diagram. I don't know the meaning of EC.
Q:What materials are needed to make the amorphous refractory bricks?
The amorphous refractory brick is composed of a certain proportion of aggregate and powder, a binder and an additive, and it can be directly used or used after allocation with some liquids. The amorphous refractory brick is a new type of refractory material without calcination, its refractoriness is below 1580℃.There is a wide variety of refractory materials. According to the production method and usage thereof can be divided into concrete, castable, plastic refractory, ramming refractory, gunning mix, sling refractory, coating material, dry ramming mix , fire clay, and all kinds of repairing mass(Asphalt combined with large surface charge compensation, Martin also belongs to the shape of the amorphous refractory material).
Q:How many types of fire-resistant material?
1. Acid fire-resistant material refers to one with more than 93% SiO2. It is featured by resistance to the corrosion of acidic slag ad high temperature and easy to react with alkaline molten slag. 2. Alkaline refractory material generally refers to one with magnesium oxide or magnesium oxide and calcium oxide as the main component. It has high refractoriness and strong resistance to basic slag. 3. Silicate aluminum refractory material refers to one with SiO2, Al2O3 as the main component. According to the content of Al2O, it can be divided into three categories: half siliceous (15-30% Al2O3), clay (Al2O3 30 ~ 48%), high aluminum (more than 48% of Al2O3). 4. Fused cast refractory material refers to shaped refractory products made by high temperature melting and casting.
Q:The classification of fire-resistant material
There are various refractory materials classified according to the chemical properties of material: Min< manufacturing technique: neutral refractory materials, pipes, etc. Standard model: baidu.hiphotos;8 simatic carbon composite refractory material zirconia based refractory material special fire-proof material 6; or a acute angle of 50~70° and material forms. 3.
Q:What refractory material lead smelting furnace needs?
Q:How many types do refractory bricks have? Where the quality of refractory material is best? What is the model?
Sinosteel Luoyang (Luoyang Refractory Material Plant in the past): High alumina(mainly blast furnace), Gongyi. There are also a series of high-tech materials (silicon carbide, carborundum, etc.) a major producer of high alumina; silicious: Resistant material for steel, glass furnace, cement kiln); magnesia. Divide from uses and divide from chemical texture; silicious(glass furnace): Xinmi, Hennan Province, Lengshui River, coke oven, etc.). As for the models, Yixing and Changxing in Jiangsu Province: Haicheng, Liaoning Province; silicious, I do not understand your intentions; magnesia (nonferrous, steel refining; magnesia: High alumina brick; Dashiqiao area! Please put it in detail.

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