Okayama Giken Minerals supplies high purity aluminum silicon ceramic crucibles for special alloy melting, superalloy casting, ceramic powder calcination and special glass melting, with excellent thermal shock stability, chemical resistance and customizable dimensions.
Okayama Giken Minerals supplies high purity aluminum silicon ceramic crucibles designed for special alloy melting, superalloy casting, high temperature material processing, special ceramic powder calcination and special glass melting. The crucible is mainly composed of alumina and fused silica, offering a reliable combination of thermal shock resistance, chemical stability and resistance to molten metal erosion.
For foundries, alloy producers, precision casting plants and high temperature material processors, crucible performance directly affects melting stability, metal cleanliness and production efficiency. Okayama Giken Minerals provides aluminum silicon ceramic crucibles with accurate dimensions, smooth and dense inner and outer walls, and stable performance under demanding high temperature conditions.
The crucible is manufactured by a high pressure gel casting process. This forming method helps achieve accurate dimensions, a dense structure and a smooth surface. The smooth and compact wall structure helps reduce floating inclusions during melting and supports cleaner, more stable metal processing.
1. Chemical Composition
| Chemical Component | Al2O3 | SiO2 | Fe2O3 | TiO2 | CaO | MgO | K2O | Na2O |
| Content | >65% | <35% | <0.2% | <0.3% | <0.1% | <0.06 | <0.1% | <0.2% |
2. Physical Properties
| Test Item | Apparent Porosity | Bulk Density | Cold Crushing Strength | Simulated Thermal Shock Under Actual Working Conditions |
| Test Result | 20-27% | 2.0-2.5 g/cm3 | >=10 MPa | High-frequency induction melting at 1550 deg C; repeated testing for more than 8 cycles. The induction test temperature can be adjusted according to customer requirements. |
3. Crucible Shape Drawing
*The crucible shape and dimensions can be customized according to specific customer requirements.
The crucible is designed for repeated high temperature operation. In simulated working conditions, it can withstand high frequency induction melting at 1550°C for more than 8 repeated tests. This makes it suitable for demanding melting and casting environments where fast heating and cooling cycles are common.
The alumina and fused silica based composition provides good chemical stability in high temperature environments. This helps reduce reaction with molten materials and supports stable performance in special alloy melting, special glass melting and ceramic powder calcination.
During alloy melting, crucibles are exposed to molten metal impact, erosion and corrosion. Okayama Giken Minerals aluminum silicon ceramic crucibles are designed with good resistance to molten metal washing and erosion, helping extend service reliability under industrial melting conditions.
The high pressure gel casting process creates accurate dimensions and smooth, dense inner and outer walls. A cleaner inner wall can help reduce loose particles and floating impurities, which is important for customers producing high value alloys, superalloys and precision cast components.
Crucible shape and dimensions can be customized according to customer requirements. This makes the product suitable for different furnace types, melting capacities, induction melting systems, laboratory applications and industrial production lines.
Special alloy melting
High temperature alloy melting
Superalloy casting
Non-ferrous alloy melting
Precision casting
Investment casting
High frequency induction melting
Special ceramic powder calcination
Special glass melting
Laboratory high temperature melting
Industrial furnace applications
Aerospace alloy material processing
Research and development of advanced materials
