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PROTECTING TUBES
SILICON CARBIDE
Part
No. SIC-A-B
| TOLERANCE
TABLE |
Overall
Length
Less than 24"
24" to 45"
Over 45" |
Inside
Length
+/-1/8"
+/-3/16"
+/-1/4"
|
SILICON
CARBIDE
is a porous high refractory material used for protection against
extreme temperature, abrasive atmospheres and direct flame impingement.
"SIC" tubes cal also be used for direct immersion into molten
aluminum or brass.
|
PART
NO.
|
OVERALL
LENGTH ("A") |
STOCK |
| SIC
A - B |
12" |
CO |
| 18" |
CO |
| 24" |
CO |
| 30" |
CO |
| 36" |
CO |
| 42" |
C- |
| 48" |
C- |
A
= Tube Length in inches.
B = Collar Designation: (with Collar, "C", i.e., SIC-24"-C; without
Collar, "O", i.e., SIC-24"-O)
Stock Designation: "C" = Stocked with Collar; "O" = Stocked, no
Collar.
PHYSICAL PROPERTIES:
Major Constituent:
Silicon Carbide (SiC)
Dry Abrasion Resistance Index:
1.0
Maximum Usable Hot Face Temperature:
In Oxidizing Atmosphere: 1650°C
(3000°F)
In Inert Atmosphere: 1650°C (3000°F)
Bulk Density:
2.58 g/cm3 (3800 lb/in2)
Modulus of Rupture:
267 kg/cm2 (>20,000
lb/in2)
Compressive Strength:
>1406 kg/cm2
Thermal Conductivity:
@ 1204°C (2200°F)
15.7 W/m °C
(109 Btu in/hr ft2
°F)
Coefficient of Linear Expansion:
@ 20-1538°C (68-2800°F)
4.68 x 10-6 mm/mm
°C
(2.6 x 10-6 in/in
°F)
Thermal Shock Resistance:
Very Good
Acid Resistance:
Good (except hydroflouric)
Permeability:
nil
Apparent Porosity:
14%
Electrical Characteristics:
Semi-Conductor
For
more information regarding Protecting Tubes and Thermowells
Consult your Marlin Catalog, pages D-0 to D-13.
If
you do not have a Marlin Catalog - Click
Here!
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