Introduction SISIC Silicon Carbide Burner Tube
Silicon carbide burner tube not only has excellent mechanical properties at room temperature, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low friction coefficient, but also high temperature mechanical properties (strength, creep resistance, etc.) is the best known ceramic materials. Hot-pressing sintering, pressureless sintering,hot isostatic pressing sintering material, the high temperature strength can be maintained to 1600 ℃. Silicon carbide burner nozzle is one of the ceramic materials with high temperature strength,its Oxidation resistance is also the best of all non-oxide ceramics.
Characteristics SISIC Silicon Carbide Burner Tube
Silicon carbide burner tube is a new ceramic material. We will introduce the production technology of silicon carbide burner nozzle:
- Blank refining technology. Blank refining technology, is to use forging blank instead of rough forging blank, saving the cost of raw materials and processing costs at the same time.
- Drilling technology. Drilling technology, the original mechanical drilling has been replaced by computer-controlled laser drilling and electrolytic drilling, smaller can be processed 0.1mm hole.
- Welding technology. Welding technology, the traditional welding is mainly resistance welding and argon arc welding,progress is now to use high temperature vacuum brazing and high energy density electron beam welding.
- Plane lapping technology. Plane lapping technology,uses the single disk plane lapping machine to process the smoother, the fine product, its parallelism can achieve 0.0003mm.
Technical Data Sheet of SISIC Silicon Carbide Burner Tube
| Item | Unit | Data |
| Max Working temperature | ℃ | 1380 |
| Density | g/cm³ | ≥3.02 |
| Porosity | % | <0.1% |
| Bending Strength | Mpa | 250(20℃) |
| Mpa | 280(1200℃) | |
| Modulus of elasticity | Gpa | 330(20℃) |
| Gpa | 300(1200℃) | |
| Thermal conductivity | W/m.k | 45(1200℃) |
| Coefficient of thermal expansion | K-1×10-6 | 4.5 |
| Rigidity | 13 | |
| Acid alkaline-proof | Excellent |
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