Magnesite Brick for Magnesium Steel Making

Magnesite Brick for Magnesium Steel Making System 1

Magnesite Brick for Magnesium Steel Making

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 1 pallet

Supply Capability:: 5000 pallet/month

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$Magnesite Brick - Converter Magnesia Carbon Patching Refractory Bricks$

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Magnesia Carbon Bricks are designed and manufactured as per the different usage parts and working conditions of electric furnace, oxygen converter and ladle. It is shaped by high purity & high compact or large crystalline fused magnesia and high purity graphite as main materials and phenolic resin as binder.

Application:

The product is mainly applied for the lining parts of electric furnace, tundish and converter. Directly touching molten steel and slag. The customers can choose the different brands of Mg-C bricks according to the different smelting condition and steel grades .

Products Features:

1. Fine high temperature performance.
2. Strong resisting, high strength, slag and thermal shock performance.
3. Low creep at the high temperature performance

4. High corrosion resistance

5. No peeling

The Main Chemical Compositions and Physical Properties

Items		YH-MT10A	YH-MT10B	YH-MT14A	YH-MT14B	YH-MT16A
Chemical Compositions ( %) ≥	MgO	80	78	76	74	74
Chemical Compositions ( %) ≥	C	10	10	14	14	16
Apparent Porosity (%) ≤		4	5	4	5	5
Bulk Density (g/cm³) ≥		2.95	2.9	2.95	2.9	2.9
Compressive Strength (Mpa) ≥		40	35	40	35	35
High Temperature Flexural Strength (Mpa) (1400℃*0.5h) ≥		6	6	10	8	7

Q: What is the ratio of magnesia refractory bricks to brine? For example, what is the difference between the 97 and 95 with 92 brick brick brick material mixed with brine ratio?: Different grades of burned magnesia brick is mainly made of magnesia binder with different taste, there is not a big difference. However, the physical and chemical properties of binders should be controlled well!

Q: The index of magnesia brick: Room temperature compressive strength≥（MPa）（15－25－）24.5－24.5－24.5－24.5－40－40－40

Q: High purity magnesia brick masonry mortar for what?: You try a mixture of aluminum phosphate. It itself is the main component of aluminum, which can not cause pollution. We use high temperature electric stove to bond with this.But this 800 degree won't be sintered. It won't sinter until more than 1000 degrees.

Q: Manufacture of various refractory magnesia brick mainly comes from Magnesium Oxide, what kind of ore?: The ore quality requirements of MgO = 41%, CaO = 6%, SiO2 = 5%. The resources of magnesite in China are rich. The types of deposits include sedimentary metamorphic deposits, sedimentary hydrothermal metasomatic deposits and weathering leaching deposits.

Q: Refractory brick, high alumina brick, magnesia chrome brick, magnesia brick, clay brick, which type of high temperature refractory brick?: The super high alumina brick in high alumina refractory brick has the highest refractoriness, and the corresponding production cost is higher.

Q: Magnesia brick: Magnesia brick (magnesite brick) basic refractories Magnesium Oxide content of more than 90%, with the main crystalline phase of periclase. General can be divided into sintered magnesia brick (also called burnt magnesia brick) and chemically bonded magnesia brick (also known as the two major categories of not burned magnesia brick). Purity and high firing temperature of magnesia, due to the direct contact of periclase grains, known as direct bonded magnesite brick; made of fused magnesia bricks called electrically fused magnesite brick.

Q: How to identify the fused magnesia brick and sintered magnesia brick: Magnesia brick have high refractoriness, alkali slag good performance, high load softening temperature, but poor thermal shock resistance. The sintering magnesia brick brick magnesite as raw material, crushing, proportioning, mixing, forming, in 1550 ~ 1600 degrees firing, high purity products firing temperature is over 1750 DEG C. Don't add chemical bond magnesia brick is appropriate in magnesia, through mixing, molding and drying.

Q: Process for producing magnesia chrome brick: The oxide of iron reacts to produce a loose effect caused by the expansion of the spinel. Also, the magnesia chrome brick can be made from the synthetic common sintered material. In addition, there are non burned magnesia chrome bricks, for example, non burned magnesia chrome bricks combined with inorganic magnesium salt solutions. The unfired magnesia chrome brick has the advantages of simple production process, low cost and good thermal stability, but the strength of the high temperature is far less than that of the burnt brick. In the late 50s, a so-called "direct bonding" magnesia chrome brick was developed. The characteristics of this brick raw material is pure, high firing temperature, periclase and spinel phase with high temperature directly, silicate and other low melting point phase for island distribution, therefore, significantly improve the high temperature strength and slag resistance of brick.

Q: Magnesite chrome brick, magnesia chrome brick indicators? What is the price?.: If you want to know the indicators of chrome brick, magnesia chrome brick must know you are in what furnace above, there is in what position

Q: Combined with the ordinary clay brick and magnesia brick as an example, the existence of impurities in minerals and refractories production main components of the formed liquid relative what affect the performance.: The main varieties of common magnesia brick, magnesia brick, magnesia brick, magnesia brick high pure grade. Product main mineral phase is periclase, volume has high stability and anti erosion ability. Literature is widely used in steelmaking, non-ferrous metal smelting and other high-temperature industrial furnace.

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