| Model: | SN-004 |
|---|---|
| Brand: | TS |
| Origin: | Made In China |
| Category: | Metallurgy , Mining & Energy / Metallurgy & Mining / Non-metallic Mineral Products |
| Label: | Silicon Nitride , heater sheath , protection tube |
| Price: |
US $700
/ pc
|
| Min. Order: | 1 pc |
| Last Online:03 Nov, 2016 |
Silicon Nitride Heater Protection Tube
Product Description
Silicon nitride heater protection tube will not only protect the heater but also make rapid and uniform heating of molten metal during casting. Corrosion Resistance, fast heat conduction, high efficiency and long service life make silicon nitride to be good material for heater protection tube.
Physical and chemical index
|
Types |
GPSN |
RSSN |
|
Density |
>3.2g/cm3 |
>2.4g/cm3 |
|
Si3N4 content |
>92% |
>92% |
|
Flexural strength |
>600Mpa |
>200Mpa |
|
Compressive strength |
>1500Mpa |
|
|
Thermal conductivity(W/mk) |
16-22 |
14 |
|
Porosity |
0 |
<15% |
|
Thermal expansion coeff.(RT-1000℃) |
3.2 |
2.8 |
|
Max temperature In air |
1400℃ |
1150℃ |
|
Hardness(HRA) |
>92 |
>85 |
Features
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN/RSSN
3, High strength and good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and non-ferrous metal
7, Good corrosion resistance
Recommended Sizes
|
OD(mm) |
ID(mm) |
Length(mm) |
|
16 |
8 |
300-600 |
|
22 |
12 |
300-800 |
|
28 |
16 |
300-900 |
|
30 |
18 |
300-900 |
|
45 |
25 |
300-900 |
We can also prodcue other sizes according to your drawing.
