Stainless steel billet continuous casting mold fluxes

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Stainless steel billet continuous casting mold fluxes

Product Description

    Stainless steel billet caster due to difficult, nearly two years before the application in the domestic market, the domestic research institutions collaborate to develop, our company according to the characteristics of stainless steel, combined billet design features, production LF-FRK-T series powder the moderate slag particles were hollow spherical, spreading good performance, stability and melting characteristics of insulation, slab surface integrity defects, no crusts and slag pieces produced by the user's satisfaction.

Model: LF-FRK-T

Applicable steel: 1Cr18Ni9T, Cr18Ni9,1Cr18Ni9

Applicable Section: 150mm × 150mm, 200mm × 200mm

Applicable drawing speed: 0.7 ~ 1.8m / min

The main physical and chemical indicators are as follows:

Moisture

<0.5%

Granularity

0.15~1mm>90%

Carbon content

2~7%

               Cao / Sio2

0.8~ 1.0

Hemisphere points

1080~1150℃

1300 ℃ Melting speed

10~25S

Bulk density

0.7~1.8g/cm2


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Q:What is the use of refractory?
It is fire-retardant and insulated.
Q:How to divide fire resistant level of fire door?
The classification of fire resistant level of fire door: Grade A is not less than 1.2h. Grade B is not less than 0.9h. Grade C is not less than 0.6h. It is suitable for fire door with different levels: Grade A: Equipment room (such as fire-pump room,power distribution room, generator room, smoke control fan room, etc) door, fire compartment, door on firewall; Grade B: Eclosed staircase, front door of stair room, smoke-proof staircase and fire elevator share lobby door, front door of fire elevator, household door which directly opens to front room or shares room; Grade C: The vertical shaft door, such as strong electric wells, weak electric wells, pipe shaft door and air conditioning facilities. I hope this information can help you.
Q:How long usually will the A-level fireproof materials prevent the flame?
Having a fire resistance test on any building components -----according to the standard time-temperature curve. This period starts from the time when affected by fire and ends up with losing the ability to support or to insulate fire or the integrity of the components. It can be expressed in hours. A-level fireproof materials can last for 2 hours.
Q:What a blast furnace refractories generally?
Common refractories often use silica brick, semi-silica brick, fireclay brick, high alumina brick, magnesia brick, etc. special materials often used are AZS brick, corundum brick, directly bonded magnesia-chrome brick, carborundum brick, silicon nitride bonded silicon carbide bricks, nitrides, silicides, sulfides, borides, carbides and other non-oxide refractory materials; calcium oxide, chromium oxide, aluminum oxide, magnesium oxide, beryllium oxide refractory insulating refractory frequently used. material diatomite products, asbestos products, insulation boards. monolithic refractories have fettling frequently used, refractory ramming mixes, refractory castable, fire-resistant plastic, refractory clay, refractory gunning refractory projection material, refractory coatings, lightweight refractory castable, stemming etc.
Q:What are the new refractories?
Most are ordinary refractories.
Q:What is refractory aggregate?
It includes two categories: coarse aggregate and fine aggregate.
Q:What is the definition and classification of amorphous fire resistance materials?
9.8. brick made of refractory bone material and powder material can be used directly or after adding appropriate liquid formulation Refractory paint. Refractory slinging material 6. Prefabricated cubes, bonding agent or other additives. fire-resistance sparying material compround additives. Refractory pressed into the material, binder. Refractory ramming material 3, The material is a new fire proof material without calcination Heavy aggregate and lightweight aggregate: Inorganic binding agent and organic bond, its fire resistance is not less than 1580. Refractory castables 2 mouldable refractory Classification according to the type of bonding agent: 1. Classification according to refractory aggregate. According to the production and construction method, refractory mud or refractory mire, with a certain proportion of the mixture
Q:How much is refractory spraying coatings?
This depends on whether you use the thin coatin or thick coating. Then it depends whether you use an aqueous coating or oily one. Usually thick aqueous coating is 2-3 dollars per kilogram. While the thin is six or seven dollars per kilogram. The oily coating is more than ten dollars. The prices obtained from the Internet is for reference only.
Q:How is grade of fire endurance divided?
Fire resistance level is mainly decided according to the importance and function of the building. For example, very important buildings are set as the first level, and the less important is the second level, and so on.
Q:Who knows about the fire endurance of grade C fire doors?
It can be classified according to the fire endurance and thermal insulation performance: The fire endurance of grade A fire doors is not less than 1.5 hours; that of grade B fire doors is not less than 1.0 hours; and that of grade C fire doors is not less than 0.5 hours. I hope my answer can help you.

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