Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon

Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon System 1

Steelmaking Deoxidizer Silicon Carbide Replacing for Ferro Silicon

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 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

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
Steel	Item	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.

Q:What's the maximum temperature that the refractory ceramic fiber cloth can endure?: It depends on the composition of the ceramic material. If its composition is alumina and it is used by civilians, its normal use temperature is 1200℃; if its composition is alumina but it is for millitary use, it can endure the highest temperature of 2200℃.

Q:which kind of material should be used in fireproofing cabinet?: Here are a few good materials: 1. The mineral wool board, glass wool board: it mainly tales mineral wool, glass wool as insulation materials. It's non-combustible, light weight and has good high temperature resistance, but there are shortcomings ① short?fiber will harm the human respiratory system, ② poor sheet strength, ③ poor barrier property of sheet for smoke of fire disaster, ④ poor decorative properity, ⑤large installment and construction work. Thus, most of the boards were sheets that take inorganic anchoring material as base material, glass wool as reinforcing material. 2. cement board: Cement board has high strength and wide sources. It is often used in fireproof suspended?ceiling and partition in the past, but it has poor fire resistance and is easy to burst and lose protective function , which will limit it's applications. Cement concrete component has good thermal insulation and sound insulation properties, and it can be used as partition and roof board. Fiber reinforced cement board and other improved varieties appear in the construction?materials market, and they are high strength and have good fire resistance, but their disadvantages are poor toughness, large alkalinity and poor decoration effect. 3. perlite board, cenosphere board, vermiculite board: It's a kind of hollow plate that takes low alkalinity cement as base material, perlite, glass beads, vermiculite as the aerated filling material, and is made by adding some auxiliary. It has characteristics of light weight, high strength, good toughness, fireproofing and thermal insulation, easy for construction,etc. and it can be widely used in high-rise building frame compartment, household, bathroom, kitchen, communication pipe and other non-load bearing areas.

Q:which is better as household fireproof material ?: the thickness recommended is 1mm or more # 304 stainless steel plate, refractory corrosion-resistant, easy to clean. It now appears that among the most common fireproof material, asbestos is the best. But the asbestos harmful effect is also great, especially for lung damage. Now on the market, the polyurethane, polystyrene, rock wool glass wool, phephenolic aldehyde fireproofingthermal insulation board. But now the phenolic aldehyde fireproofing thermal insulation board has superior performance! phenolic aldehyde containing only carbon, hydrogen and oxygen atoms, when subjected to pyrolysis, except small amounts of CO gas, the other will not produce toxic gases, maximum smoke density is 5.0%.

Q:Does hardware construction materials contain refractory?: refractory includes one kind of building materials. It is a special material and not commonly used.

Q:What are the commonly used fire protection materials: Firewall. The fire wall is made of non combustible material, and is directly installed on the base of the building or the reinforced concrete frame or fire proof walls . Fireproof limit of the firewall, according to the current "building regulations", is 4 hours, wheras the specification of Technical specification for concrete structures of tall building is 3 hours. doors resistant to fire, heat in a certain period of time These door usually prevent the spread of fire and gas in the fire resistant wall, staircase, pipe well. Fire door can be divided into steel fire doors, wood fire doors and composite materials fire door according to the material used. According to the limit of fire resistance can be divided into the class A fire door (1.2h), B fire doors (0.9), class C fire door (0.6h); (3) fire window. Windows resistant to fire, heat in a certain period of time It is usually installed in the fire resistance wall or doors; the fire shutter. This roller shutter can be refractory in a certain period of time. It is typically used for heat and fire insulation in escalator with difficulties to install fire resistant wall, fire resistant valve and smoke resistant valve. Fire resistant valve is installed in the ventilation and air conditioning system of air supply and return air duct, usually in the open state, fire, It will be turn off when the pipeline gas temperature reached 70 degrees, can meet the requirement for fire resistance and insulation for gas and fire. Smoke fire resistant damper installed in the exhaust system pipe, when the pipeline gas temperature reached 280 degrees, it will close automatically, insulating fire and gas.

Q:What is refractory?: Refractory materials are widely used in metallurgy, machinery manufacturing, chemical industry, petroleum, power and other industrial fields. It is an inorganic nonmetallic material mostly used in metallurgical industry with the minimum refractoriness of 1580 ℃, able to resist high temperature without softening (annealing). It accounts for 50% to 60% in total output. Refractoriness refers to refractory's ability to resist fire.

Q:What kinds of fireproof and fire retardant materials are there?: recommend new Nano-insulation refractory insulation material Aerogel material, which consists of 99% pores of different sizes. it is not only the lightest and the most remarkable insualting material, but also having hydrophobic porous particles. 1830s invention.It has low thermal conductivity,not susceptibale to electrical, thermal and impact of sound with strong physical stability. It is a good insulator, but also has a strong impact resistance, three times the weight of the same volume of air. It is not heavy and can be used as heat insualting materials,buffer?materials, sound proof materials. It has attracted world attention and will be widely used in the future. Aerogel (Aerogel) features: Nontoxic to humans, insoluble in water, no burning, odorless, the world's lightest, low thermal conductivity. Aerogel heat shield is a new industrial insulation products. New products based on nanotechnology materials Aerogel, Aerogel materials in foreign countries has been widely used. We find it a lot better than the traditional insulation materials. To this end, the company introduced the product to China to open the Chinese market and import the best insualting materials to oil refining, electric power, shipbuilding, chemical, industrial pipelines, aerospace, machinery and equipment industries.

Q:What's the A class fireproof and thermal inuslation matertial for external wall?: It is a kind of green and environmental protection inorganic material, free of harmful substances like asbestos, benzene, formaldehyde, etc. Its fire resistance can be up to A1grade non-combustible material, which means it can endure the highest temperature of 1400 ℃. It is thermal insulating with low heat conductivity and high heat storage coefficient. It has good weather resistance, finished product stability, anti hollowing, crack resistance, wind pressure and shock resistance with the same service life as buildings of 70 years. It is water-fast and moistureproof, breathable but waterproof, and fungusproof without influence from steam. It is convenient in construction which omits many procedures of panels construction. Once the second plastering is finished, the construction is completed, which greatly shortens the construction period. It has good adhesive property with various base planes, and meanwhile its external exposed surface can choose coating, facing brick, aluminum sheet, marble, etc. It saves money. Excellent construction technology reduces the construction cost. It effectively prevents the panels from leakage at the external wall, window, eave, etc. which saves the subsequent maintenance fund. It provides timely delivery. With sufficient supplies of raw materials and convenient production, it is fast in delivery.

Q:What level is the rock wool board fireproofing material ?: The most important feature of the rock wool board is fireproofing, which is a non-combustible material and absolute A-level! It has the specialized external wall rock wool board, which can be found online.

Q:What are the refractories for converter?: Permanent layer (sintering) magnesia brick, the working lining gunning material for the working layer and the permanent layer gap, using magnesia ramming materials, MgO-C brick brick supply,

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