Low Melting Alloys Pure Metals Other Alloys Refractory Materials Thermal

 

Siliconised Silicon Carbide Tubes
The composite radiant tubes (CRTs) discussed here are based on silicon and silicon carbide. They can be used in most atmosphere heat treating furnaces in place of conventional metal alloy and mullite radiant tubes

 


Bulk density (g/cm³)

2.85
Apparent porosity (Vol.%) 0
Modulus of rupture (MPa) 78
Compressive strengths (MPa) 580
Vickers hardness (MPa)

SiC25.000
Si 9.000

Thermal expansion coefficient20°-1000°C (1/°C) 4.2 x 10-6
Thermal conductivity (W/mK) 100°C 1280°C

160
24

Specific heat (J/kgK) RT 1280°C

600
1200

Limit of application (°C) 1340