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Silicon Carbide Protection Tubes

Silicon Carbide Protection Tubes

Silicon carbide protection tubes has excellent corrosion resistance, abrasion resistance and thermal conductivity. based on above characteristics, it extended the thermocouple lifetime and widely used in Aerospace, Aluminum,Chemical,Glass, Heat Treatment,Semi-conductor and Steel industries.

Chemical Composition and Physical Properties

Index

RSIC

NSIC

SISIC

Bulk density(g/cm3)

2.60-2.74

2.75-2.82

>3.02

Porosity (%)

15

10-12

<0.1

Compression strength(MPa)

≥600

600-700

 

Bending strength(MPa)

90-100(20)

 

250(20)

100-120(1100)

160-180(1100)

280(1200)

Young’s modulus(GPa)

280(20)

220-260

 

Thermal conductivity(W/MK)

26(1200)

15(1200)

45(1200)

Thermal expansion(20-1000 oC) 10-6k-1

4.8

5.0

4.5

Max. working temperature(oC)

1650

1500

1380

Moh’s scale of thermal expansion

 

 

13

Si3N4(%)

0

20-30

 

a-SIC(%)

98.5

70-80