Sandstorm Steel
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Our tubes are widely used as furnace tube, thermocouple protection tube, thermocouple insulator and other applications. 99.7% alumina tubes max working temperature is 1800ºC, and 95% alumina tubes max working temperature is 1500ºC.
| Properties | 95% Alumina | 99.7% Alumina |
|---|---|---|
| Al2O3 content% | 95 | 99.7 |
| Density (g/cm³) | 3.6 | 3.9 |
| Bending Strength (Mpa) | 364 | 450 |
| Expansivity (X10-6/°C) | 7.6 | 8 |
| Thermal Conductivity (W/(m.R)) | 20 | 35 |
| Max Temperature °C | 1500 | 1800 |
| Water Absorption% | <0.2 | <0.1 |
Furnace Tube
| Diameter (mm) | 30x25 | 40x34 | 50x44 | 60x53 | 70x63 | 80x70 | 100x90 |
| Max Length (mm) | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 1800 |
Thermocouple Protection Tube
| ODxID (mm) | 5x3 | 8x5 | 12x8 | 15x10 | 20x16 | 25x19 |
| Max Length (mm) | 300 | 1600 | 2000 | 2000 | 2000 | 2000 |
Packaging: Wood Case or Carton. Shipping by sea, air, or express.
Quality Assurance:
A1: Our 99.7% purity alumina tubes can withstand up to 1800ºC, while the 95% purity tubes are suitable for temperatures up to 1500ºC.
A2: Yes, we provide customization for both dimensions (OD, ID, Length) and specific shapes according to your requirements.
A3: We can grind the Outer Diameter (OD) to achieve tight tolerances for applications requiring high precision.
A4: They are commonly used as furnace tubes, thermocouple protection tubes, insulators, and in other high-temperature industrial environments.
A5: Depending on stock availability and customization needs, delivery typically ranges from 3 to 30 days.
A6: We use professional wooden boxes or sturdy cartons to ensure safe transport. Every single tube is inspected before being packed.
