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:How to solve the shell, the crack problem of refractory material in the process of forming.
Pressure mode and number of pressure control "spallation". 2, multiple pressure, pressure degree and discharge way: 1, reduce friction, choose appropriate, than big pressure disposable pressure produced by the plastic deformation, allocate reasonable grading, internal and external friction, reduce billet particles and high die wall bright. 4.--- solve the light one firstly. --moisture content being too high easily cause spallation - the compressibility of water is small and have certain elasticity, appropriately to extend the pressuring time is beneficial. The material can produce large plastic deformation under the effect of continuous load. The right amount of lubricant. - body under the condition of less pressure but long effect time molding. Mould structure is reasonable and improve billet natural stacking density. 5.3, measures to improve the unburned brick molding quality. Many times continuously pressure relief is better than one-off sudden unloading, and controlling the appropriate moisture content;- - is beneficial to air overflow.
Q:What are the electrical fire protection materials?
Flame retardant organic resin: They can be classied into PVC, vinyl chloride, chlorinated rubber, epoxy resin emulsion, epoxy resin, phenolic resin, etc.. Fire retardant additive: Phosphorus and halogens, nitrogen organic compounds (chlorinated paraffin, tributyl phosphate (TBP) and polybrominated diphenyl ethers) and boron (boric acid, zinc borate, boric acid aluminum), antimony, aluminum, zirconium inorganic compounds.
Q:what's the materials of fireproof housing?
I'm very glad to answer for you. 1. Mobile homes in high-rise buildings, as for the interior hidden artifacts of single and multi-layer mobile homes, when its fire endurance is ruled above 1.5 h, you should choose the non-swelling large activity fire retardant coating; 2.as for Indoor mobile house, light roof mobile house and mobile house need to be decorated, when its fireproof limit is ruled under 1.5 h, you can choose swelling mobile house fire retardant coating; 3. The fire endurance of mobile houses need to be above 1.5 h, outdoor mobile houses project shoule better not choose swelling fire retardant coating. 4. Indoor mobile houses extremly need to be decorated, hot standby is a living place of mobile houses, bearing steel structure of equipment, bracket, the part easy to be knocked like skirt, its fire endurance needs to be above 1.5 h, you better choose fireproof panel of mobile houses. 5. Open mobile houses, you should choose fire retardant coating of mobile houses suitable for outdoor, and use the coating with over one-year outdoor mobile houses project operation and the coating function without significant changes. 6. multiple layer coating should be matched with each other, the bottom layer coating should be able to be used with rust-proof paint together or have rust-proof function. 7, while choosing the fire retardant coating for special function, it should have over one-year project operation and verification case and matched fire-proof function.
Q:Can anyone tell me what is a high alumina refractory?
Refractories refer to a class of inorganic non-metallic materials whose refractoriness are no less than 1580 ℃. Refractoriness is the Celsius temperature when cone-shaped samples can resist high temperature without softening and melting down in the absence of a load. But it is not accurate to define refractory merely by judging that whether the refractoriness is no less than 1580 ℃. Currently, the materials whose physical and chemical properties allow them to be used in high temperature environments are called refractories. Refractory materials are widely used in metallurgy, chemical industry, petroleum, machinery manufacturing, power and so on, among which the metallurgical industry is the largest demander in this regard, accounting for 50% to 60% of total output. Hope it will help you out!
Q:For refractory, why is it necessary to store the first mixing materials for some time under proper moisture and temperature?
It is mainly to remove gas form chemical reactions in the pug, give full play to plasticity and binding properties of combined, and store unburned brick whose cememting agent is phosphoric acid or aluminium phosphate for some time under proper moisture and temperature. For example, to avoid the formed bricks in the initial stage of drying and firing form cracking due to hydration of calcium oxide. Mixing materials is to store the first mixing materials for some time under proper moisture and temperature in order to improve the evenness and moldability of pud, such as making the distribution of combined clay and water more even. The length of storing chiefly depends on the process requirements and the characteristics of blanks. For the producing pug of high temperature kiln furnitures, the storing time is longer. The function of storing mxing materials varies with different natures of blanks. For honeycomb ceramics, it is to fully digest calcium oxide in blanks. For storing magnesia brick blanks containing much calcium oxide, it should be stored for some time in proper humidity and temperature.
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Most manufacturers use perlite board. The price is appropriate.
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The temperature resistance degree of high temperature coating is different according to different coating types. The temperature resistance degree is vary from tens to thousands, magnesia brick: Greater than 2000 degrees dolomite brick: Greater than 2000 degrees casting corundum brick: Greater than 1990 degrees. The above data come from the network, for reference only.
Q:what kind of fireproof materials is used for high rise buildings?
Recommended thickness of 1mm or more # 304 stainless steel, refractory, corrosion-resistant, easy to clean. closed balcony of high rise buildings use thickened manganese, aluminum profiles. You can also use plastic steel window, solid wooden windows. Mg-Mn alloys have excellent weldability and corrosion resistance, unstressed corrosion tendency. Mechanical properties are not good enough, the ultimate strength of 210 ~ 280MPa.
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According to the fire endurance, the fire doors can be divided into Class A, Class B and Class C fire doors with the fire resistances are not less than 1.20h, 0.90h and 0.60h. Even the fire resistant level of B can also use the first rate fire resistant door.
Q:What problems should be paid attention to while using refractory materials under a controlled atmosphere?
Pay attention to the performance of the materials, and the use of non oxide materials!

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