Silit^® SK SiSiC Tubes

Closed One End and Open Both Ends Tubes

Silit^® SK Siliconized SiC is ideal for use in closed one end thermocouples. A wide range of diameters (20 mm to 80 mm) can be produced, with lengths up to 2 m. Tubes with flanges and holes are also available.

High oxidation resistance
High thermal shock resistance
Extremely high strength
Stability of shape up to maximum application temperature
Gas tight

Cooling tubes
Thermocouple protection tubes
Gas sensor tubes

Silit^® SK

Properties			Unit	Value
Main Components	SiC		%	85
	Si		%	15
Maximum Application Temperature¹⁾			°C	1,380
Bulk Density	EN 993-1		kg/dm³	3.0
Apparent Porosity	EN 993-1		Vol. %	0
Young's Modulus	EN 843-2	RT²⁾	GPa	340
Modulus of Rupture	EN 993-6 EN 993-7	RT²⁾ 1,200°C	MPa MPa	260 260
Coefficient of Thermal Expansion	EN 993-10	α RT…1,300°C	10^-6/K	4.5
Thermal Conductivity	EN 993-15	1,000°C	W/(m*K)	35

¹⁾ Dependent on the corresponding operating conditions

²⁾Ambient temperature

Tube Diameter		Flange Diameter DF +/- 2.0 mm	Tolerance Xmm	Standard Length L ± 2 mm
OD ± Tolerance X mm	ID mm	Flange Diameter DF +/- 2.0 mm	Tolerance Xmm	Standard Length L ± 2 mm
20	11	40	± 0.35	200 - 2000
25	15	45	± 0.40	250 - 1,500
30	19	55	± 0.45	300 - 1,750
34	22	55	± 0.50	400 - 1,750
38	26	60	± 0.55	400 - 2,000
40	28	60	± 0.55	500 - 2,000
51	36	80	± 0.70	500 - 2,000
55	42	80	± 0.90	500 - 2,000