Dosing Ladles
Ladles for serving molten aluminium to die casting and gravity machines
View details Accessories · Metal handling
Crucibles
Clay-graphite and silicon carbide crucibles for melting and holding aluminium
Overview
What it is and where it works
Clay-graphite and silicon carbide crucibles for melting, holding and transferring aluminium alloys in gas-fired, oil-fired and electric resistance furnaces. Grades differ by bond (carbon or ceramic), forming method and glaze, which set oxidation resistance and service life. We source the grade and size that matches your furnace bowl, burner type and melt practice.
- Materials
- Clay-graphite and silicon carbide, carbon-bonded or ceramic-bonded, some with a protective glaze
- Aluminium working range
- Aluminium grades are rated for roughly 400 to 1,000 °C; heavy-duty grades for fuel-fired scrap melting are rated 700 to 1,400 °C
- Furnace types
- Gas, oil-fired and electric resistance furnaces, depending on grade
In your plant
Where It Is Used
- Melting furnaces for ingot and returns
- Holding furnaces next to the die casting cell
- Bale-out and tilting crucible furnaces
- Scrap melting in fuel-fired furnaces
To quote, we need
Send Us These Data Points
With this information we can ask the right factories and come back with a proposal that fits your process. Missing something? Send what you have: we fill the gaps together.
Request a Quote Printable checklist to fill with your plant teamWe reply in English, Spanish, Italian or Chinese.
- Crucible shape and size (number, or drawing with height, top and bottom diameter)
- Furnace model and heating type (gas, oil, electric resistance, induction)
- Alloy and working temperature
- Use: melting, holding or both, and flux practice
- Current crucible life (heats or weeks) and monthly consumption
One supplier, one shipment
Often Quoted Together
Need something different? We adapt sizes, materials and specs to your drawing.
Further reading
From Our Insights
Buyer questions
Frequently Asked Questions
Clay-graphite or silicon carbide: which one for aluminium?
Both are used for aluminium; the choice depends on furnace type, burner atmosphere and how much fluxing you do. Send your current crucible and its service life and we compare equivalent grades.
How do I extend crucible life?
Follow the first-heat preheating curve of the grade, avoid hitting the wall when charging, and clean adhered dross regularly. Aggressive fluxes and overheating shorten life on any grade. The cooling curve must also be progressive and with an empty crucible, to prevent cracking.
