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Casting Crucibles

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​Our non-contaminating clay or quartz casting crucibles are built to withstand extreme heat for melting both precious and non-precious metals. Their universal design ensures compatibility with all standard and broken arm centrifugal casting machines.

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​Our non-contaminating clay or quartz casting crucibles are built to withstand extreme heat for melting both precious and non-precious metals. Their universal design ensures compatibility with all standard and broken arm centrifugal casting machines.

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ORDER CODE	CLAY-S
ITEM NUMBER	718-001
SIZE (mm)	63.20 x 48 x 42.50
MATERIAL / TYPE	Clay / Slotted
MAX. TEMPERATURE	1,000°C / 1832°F

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ORDER CODE	QHN-2
ITEM NUMBER	719-000
SIZE (mm)	63.29 x 48.60 x 43.70
MATERIAL / TYPE	Quartz / Hooded
MAX. TEMPERATURE	1450°C / 2642°F

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ORDER CODE	QSN
ITEM NUMBER	720-000
SIZE (mm)	66.35 x 49.15 x 41.70
MATERIAL / TYPE	Quartz / Slotted
MAX. TEMPERATURE	1450°C / 2642°F

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ORDER CODE	QMN
ITEM NUMBER	721-000
SIZE (mm)	48.65 x 34.10 x 37.1
MATERIAL / TYPE	Quartz / Hooded Mini
MAX. TEMPERATURE	1450°C / 2642°F

Hooded Crucible:

• Design: Enclosed or partially enclosed with a small opening or spout.   
• Primary Use: Generally recommended for precious or semi-precious alloys and those with lower melting points. The hood helps to:
• Retain heat more effectively: This can lead to faster and more energy-efficient melting, especially for smaller quantities of metal.
• Minimize oxidation: The reduced exposure to air helps prevent the formation of oxides on the surface of the molten metal, preserving its purity and reducing material loss.   
• Reduce splashing: The enclosed design helps contain the molten metal during the centrifugal casting process.
• Pouring: Pouring is typically done through a designated spout or the main opening.

Slotted Crucible:

• Design: Open with one or more vertical slots along the side.
• Primary Use: Often preferred for non-precious alloys and those with higher melting points. The slotted design is thought to:
• Improve alloy flow: The slots may facilitate a more even and less turbulent flow of the molten metal into the mold during centrifugal casting.
• Offer better visibility: The open slots allow for easier visual inspection of the melting process.
• Potentially handle larger volumes: Depending on the design, slotted crucibles might be better suited for larger quantities of metal.  
• Pouring: The molten metal exits through the slots during the centrifugal force of the casting machine.

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Feature	Hooded Crucible	Slotted Crucible
Top Design	Closed or partially covered with an opening	Open with vertical slots
Heat Retention	Generally better	Less effective
Oxidation	Minimized due to less air exposure	More potential for oxidation
Splashing	Reduced	More potential for splashing
Alloy Flow	May be more direct through the opening	Potentially more even/less turbulent through slots
Visibility	Limited	Better visibility of the melt
Common Use	Precious/semi-precious, lower melting points	Non-precious, higher melting points

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