Omega Products PTRS-1628-600 User Manual
H
igh-temperature strength
Flexural strength (MPa)
Temperature (C)
2
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200
100
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1
,000
Al
203
SiC
OMEGATITE 650
Si3N4
Zr02
1,000
1,500
500
0
Flexural strength (kpsi)
®
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OMEGATITE®650
Protection Tubes
PTRS Series
Starts at
$
225
High Temperature
Thermal Shock
Resistance
Corrosion Resistance
OMEGATITE®650 is an alloy of
silicon nitride and aluminum oxide.
This superior refractory material has
the combined properties of silicon
nitride (high strength, hardness,
fracture toughness, and low thermal
expansion) and aluminum oxide
(corrosion resistance, chemically
inert, high temperature capabilities,
and oxidation resistance).
Most refractory products can be
used only in high temperature
applications where one or two of
the following properties are
required: thermal shock resistance,
mechanical strength, corrosion
resistance, abrasion resistance or
electrical insulation. OMEGATITE
650 combines all these properties
in one refractory material.
OMEGATITE®650 is uniquely
qualified for nonferrous molten metal
applications and high wear or high
impact environments up to 1250°C.
OMEGATITE®650 is non-wetting for
most nonferrous metals. It is gas
tight, chemically inert, resistant to
corrosion and metal attack, and
features high strength, hardness,
and thermal shock resistance.
OMEGATITE®650 thermocouple
sheaths are used extensively for
continuous measurements in
nonferrous metals. In molten
aluminum, OMEGATITE®650 is
thermal shock resistant, non-wetting,
does not contaminate the melt,
provides continuous, reliable
Property OMEGATITE®650
®
Cold Bend Strength (25°C) 758 MPa, 110 kpsi
Therm. Exp. Coeff (20-1000°C) 3.0 x 10
Bulk Density 3.24 g/cm
App. Specific Gravity 3.26 g/cm
Porosity <1 %
Hot Bend Strength (1200°C) 400 MPa, 58 kpsi
Elastic Modulus 288 GPa, 42 x 106 psi
Thermal Conduct. (400°C) 21 W/mK
Critical ∆ T 950°C
Hardness 1650 VHN, 1 kg load
To Order (Specify Model Number)
Inside Diameter Outside Diameter Tube Length Model Number Price
150 mm PTRS-1628-150 $425
16 mm 28 mm 300 mm PTRS-1628-300 450
600 mm PTRS-1628-600 700
150 mm PTRS-1222-150 225
12 mm 22 mm 300 mm PTRS-1222-300 300
600 mm PTRS-1222-600 590
150 mm PTRS-916-150 225
9 mm 16 mm 300 mm PTRS-916-300 275
600 mm PTRS-916-600 325
6.5 mm 12.5 mm 450 mm PTRS-612-450 275
For NPT fitting add “-NPT” suffix and $30 to price. A 1⁄2" x 1⁄2" NPT fits 12.5 mm OD tube, 1⁄2" x 3⁄4" for 16 mm (add $30),
*
3
⁄4" x 11⁄4" for 22 and 28 mm (add $50). For special lengths consult sales.
Ordering Examples: PTRS-1628-300, tube with 16 mm inside Dia., 28 mm outside Dia., and 300 mm long, $450.
PTRS-1628-600, tube with 16 mm inside Dia., 28 mm outside Dia., and 600 mm long, $700.
305 mm PTRS-612-305 250
600 mm PTRS-612-600 330
A-141
PTRS-1628-600, $700, shown much
smaller than actual size.
Note: See page A-125 for platinum elements.
temperature measurement, and is
resistant to degradation even in
aggressive aluminum lithium alloys.
The excellent corrosion resistance of
OMEGATITE®650 allows the
use of thinner walls, thereby
providing faster response time
and improved accuracy.
3
3
-6 C-1
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