Refractory Material Ferrosilicon Ball

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Ferro silicon is widely used in the steel making,iron casting ,low-carbon ferroalloy producing:

1 In the steel making field,Ferro silicon is used as deoxidizer and alloying agent to precipit and diffuse deoxidation.Adding a certain amount silicon of fe-si to the steel can obviously improve the strength ,hardness ,elasticity and permeability of steel.

  2 In the iron casting,it is used as ball mile agent and alloying agent especially in the nodular iron casting, Adding ferrosilicon to cast iron ,it can prevent the formation of carbide and promote the precipitation of graphite and the nodulizing.then the mechanical capacity can be the same of steel's.

  3 High-silicon ferrosilicon can be used for the production of the low-carbon reductant in ferro alloy industry.

  4 In addition ,ferro silicon powder can be used as a suspended phase in the mineral processing industry and coatings for welding electrodes in the electrode manufactruing.


Ferro silicon ball

The chemical composition of the ferro silicon

Brand

Model No.

Specification

Chemical Composition (%)

Al

Ca

Mn

Cr

P

S

C

Ferro silicon ball

FeSi65-72

6cm

1.5

1.5

0.5

0.5

0.04

0.02

0.3

Ferrosilicon briquette

FeSi65-72

230×113×6cm

1.5

1.5

0.5

0.5

0.04

0.02

0.3

Silicon grain

FeSi65-72

0.1-3cm

1.5

1.5

0.5

0.5

0.04

0.02

0.3

Silicon grain

FeSi65-72

0-325H

1.5

1.5

0.5

0.5

0.04

0.02

0.3

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Q:what materials can make external wall fireproofing paint have the fireproofing effect
Fire retardant coatings are generally used for fireproofing and fire retardant of steel structure buildings, large stadiums, railway stations, thermal power station, nuclear power plants, urban tunnels, large-scale industrial plants, warehouses, flammable material surface. Improve the refractory time of buildings and combustible materials.
Q:How to choose refractory material
Refractory fiber in different furnace material requirements are different, I would like to know is methanol as a protective gas, fire fiber, cotton material what?.
Q:What type of firebrick does TZ-3 represent?
Height is 65mm, length is 230mm, and width is 114mm, that is the t-3 firebricks which meet the national standard.
Q:What's the definition of fire endurance of the fire-resistant coating for steel structure?
Fire endurance (h): Under the condition of standard fire resistance test, the time when the building components, accessories, or structure is subjected to fire to the time when they loose stability, integrality or thermal insulation is called fire endurance which is showed in time. Steel is the kind of building material that is nonflammable with many properties of seismic resistance and bending resistance. In practical applications, steel can improve the load capacity of buildings in a relative way, meet the needs of buildings design, beauty and mould, and it can also avoid the defects of poor flexibility and tensile strength of buliding materials like concrete. Therefore, steel is quite popular in the construction industry, and it is widely used in single-story or multi-storey skyscrapers, plants, warehouses, waiting rooms and airport terminals, etc. However, as a kind of building material, it has some unavoidable defects in fire prevention. That is its mechanical properties like yield point, tensil strength and elasticity modulus will decrease dramatically with the rise of the temperature.
Q:What does refractory mean?
Basic refractory material generally refers to Magnesium Oxide or Magnesium Oxide and calcium oxide as the main component of refractory materials. This kind of refractory material has higher refractoriness and strong resistance to alkaline slag.
Q:Why does refractory need to add coarse firstly and then add fine aggregate?
Adding coarse aggregate is to assure its good combination with fine aggregate. This is just the experience. You don't have to ask.
Q:What are the characteristics of magnesium fireproof plate
Fire Excellence: Glass magnesium plate is non combustible plate having good fire-resisitance quality. Flame will never burn continuously on it. It does not catch on fire when temperature reach 800 ℃, and will not be lit up at 1200 ℃. The plate, having high-quality keel partition system, is rated as the highest non-combustible level A1 with fire resistance being above 3 hours. It absorbs a lot of heat when fire is burning, delaying rise of ambient temperature. Waterproof and moisture proof: Glass magnesium plate functions steadily whenever weather is dry and cold or humid and damp, not influenced by condensed water drop and moist air. Even air dried after soaked in water for a few days, no deformation, it will not go out of shape, turn soft, or absorb moisture After testing, the board has no water permeability. Light weight and seismic resistance: Low overall plate density of 0.8-1.2g/cm3 reduces the building's load, and the weight of building interior wall by over 60%, and increases the use area by 5-8%. Its lightweight is conducive to anti-seismic, can effectively reduce main cost of foundation and structure. Superior strength: Magnesite has special 5.1.8 phase covered fiberglass cloth and good toughness of plant fiber. Altough glass magnesium fireproof plate is light, it has tight structure, good stability, wood-like toughness, outstanding performance in impact resistance, compressive strength, tensile strength equal rigidity and toughness, with flexural strength up to 322kgf\cm2 (vertical) and 216kgf\cm2 (level of) as well as impact strength of 25MPa.
Q:Who knows about the criteria of fireproof and thermal insulation materials?
1. thermal insulation materials with A-level combustion performance: EPS sea capacity module, rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. thermal insulation materials with B1-level combustion performance: specially-treated extruded polystyrene boards(XPS)/ specially-treated Polyurethane(PU), phenolic aldehyde, gelatine powder polyphenyl granule,etc. 3. thermal insulation materials with B2-level combustion performance: molding polystyrene board(EPS), extruded polystyrene board(XPS), polyurethane(PU), polyethylene(PE), etc. Such A-level insulation materials are only fireproof, the thermal insulation properties are worse than that of organic XPS \\EPS materials. Currently I think that the best insulation material should be EPS sea capacity module, it not only achieves the requirement of insulation but also fulfills the goal of fireproofing, and the comprehensive unit price of it is not expensive. The thermal insulation materials in the domestic market have their own disadvantages, you'd better take the building demands into consideration, and use the materials that are within the acceptable range. I hope my answers help you.
Q:Which are fireproofing external wall materials?
1. Acording to national standard GB8624-97, the combustion performance of construction materials are classified as: Grade-A: incombustible building material: Grade-A WW thermal insulation material which hardly burns. Grade-B1: nonflammable building material: nonflammable building material has good flame resistance. It is difficult to burn or spread in the air or at high temperature. Grade-B1: nonflammable building material: nonflammable building material has good flame resistance. It is easy to burn in the air or at high temperature, thus spreading the fire, such as wooden column, timber roof truss, timber beam and wooden stairway. Grade-B3: inflammable building material. Without fire resistance, inflammable building material is easy to burn and thus cause a fire. 2. According to fireproofing performance, external wall thermal insulation materials can be classified as: 1. Thermal insulation material with Grade-A combustion performance: WW inorganic thermal insulation material, rock wool, glass wool, foam glass, foamed ceramics and foam cement. 2. Thermal insulation material with Grade-B1 combustion performance: XPS panel after special treatment/ PU, phenolic aldehyde, gelatine powder polyphenyl granule after special treatment. 3. Thermal insulation material with Grade-B2 combustion performance: EPS, XPS, PU, PE, ETC.
Q:Who knows how many kinds of fireproof insulation materials are there in the market?
Portland cement, insulation stone, calcium powder and platycodon grandiflorum are the main raw materials of inorganic active insulation materials. Advanced manufacturing techniques and chemical Technologies have been used to conduct many tests, thus the close-celled inorganic active insulation materials are successfully developed. Products have advantages of fire-resistance, small deformation coefficient, aging-resistance, stable performance, environmentally-friendly, and good compatibility with rendering coating and subtractive wall, security, stability, and also have a life as long as the building itself. Good fireproofness: The materials of fireproof insulation board are inorganic (cement) which has A1-level fire-resistance, are non-combustible materials, and good at resisting fire. I hope my answer can help you.

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