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High Working Temperature Refractory SiC Beams
1. Characteristics of Refractory SiC Beams
It is a kind of product with high strength, high hardness, high wear resistance,and good oxidation resistance, thermal shock resistance and other properties.
RSIC has more excellent long-term performance ( Compared with RSIC and N-SiC) the bending strength is more than twice than RSIC,50% high than N-SiC.
2. Applications of Refractory SiC Beams
The various industrial furnaces, the desulphurization equipment, the large boiers and other machinery , and the ceramics, the machinery ,the metallurgy, the electronics,the chemicals, the petroteum , the iron and steel industry and other fields.
The series of beams are ideal kiln furnitures for sanitary ceramics, household porcelain, building
ceramics, electric porcelain, refractories, etc. They are specially used for load-bearing beams in shuttle kilns, tunnel kilns, roller hearth kilns and other industrial kilns.
3. Main Technology of Refractory SiC Beams
|
Item
|
Unit
|
Data |
|||
|
RSiC
|
SisiC
|
N-SiC
|
SSiC |
||
Bulk Density |
(g/cm 3 ) |
2.60-2.72 |
≥3.02
|
≥2.75
|
2.95
|
Porosity |
% |
≤17 |
≤0.1 |
10 |
0.5 |
|
Bending Strength (4-point) |
MPa(at20℃) |
≥ 90 |
≥250 |
150 |
350 |
MPa(1200℃) |
≥100 |
≥280 |
170 |
450 |
|
|
Thermal Expanssion |
10-6 k-1 |
4.8 |
4.8 |
4.6 |
4.2 |
|
Thermal conductivity |
W/m.k |
23 |
45 |
25 |
90 |
Youngs Modulus |
GPa(20℃) |
240 |
320 |
280 |
420 |
Working Temp. |
℃ |
1650 |
1350 |
1450 |
1700 |
4. Parameter of Refractory SiC Beams
Chemical Composition SIC >= |
90% |
|
|
Physics property |
Max. Service Temp. |
1400ºC |
Refractoriness >= |
39SK |
|
|
2kg/cm2 Refractoriness under load T2 >= |
1790ºC
|
|
Modulus of Rupturt at room temp >= |
500Kg/cm2 |
Modulus of Rupture at 1400ºC>= |
550Kg/cm2 |
|
Compressive strenght >= |
1300Kg/cm2 |
|
Thermal Expansion at 1000ºC |
0.42%-0.48% |
|
|
Apparent Porosity |
≤20% |
Bulk Density |
(2.55-2.7)g/cm3 |
|
Thermal Conductivity at 1000ºC |
(13.5-14.5) Kcal/m.hr.ºC |
|
(1) Packing: standard export packing , wooden case , cartoon case, It will be protect the products well.
(2) Shipping: Fast delivery, in general, it needs 5-15days after payment, and multiple transportation
methodsfor yourchoose, by sea/air/express/by the seller's shipping agaent are OK.
--By DHL/Fedex (Door to door, Home delivery service)
--By Air to your nearest Airport
--By Sea to your nearest Seaport
--By the sellers’ shipping agent
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