Graphite Crucible 25kg / 55lbs - Premium Silicon Carbide Clay Cup

Our review of the Graphite Crucible 25kg / 55lbs focuses on hobby metalcasters and small foundry users who need a durable, high-temperature melting cup. The bottom line: this crucible stands out because it is built to withstand up to 1800C, making it suitable for repeated melts of aluminum and non-ferrous metals while lasting noticeably longer than ordinary clay crucibles. The review covers setup, typical use in furnace or kiln, and the practical capacity limits to help a buyer decide if this size and material fit their workflow.

Key Features

• High temperature resistance: Rated to 1800C, the crucible tolerates the heat needed for melting aluminum, copper, brass, and precious metals without rapid breakdown.
• Longer service life: Constructed from graphite with silicon carbide clay, it lasts approximately 2 to 5 times longer than normal clay crucibles under routine use.
• Versatile furnace compatibility: Designed for use in furnaces, kilns, ovens and coal-fired stoves, so it fits a range of melting setups used by hobbyists and small shops.
• Practical capacity: The 25kg rated capacity (7.53kg for aluminum) and 3100ml volume give a predictable pour size for ingots and small castings.
• Purity-focused design: Supplied as a single crucible to reduce cross-contamination when dedicated to one metal type.

Who It's For

This crucible is aimed at hobby jewelers, small-scale metalcasters, and makers who regularly melt aluminum, brass, copper, or precious metals and need a durable container that tolerates very high temperatures. Its larger physical size and 25kg rating make it a good match for users creating ingots, small castings, or melting batches that exceed tiny studio crucible capacity.

It is less suitable for someone who needs many tiny melts where ultra-small capacity or disposable cheap crucibles are preferred, or for large industrial foundries that require commercial-scale refractory systems. Buyers who need a full kit should pair the crucible with compatible tongs, pouring rack, and ingot molds.

Pros & Cons

Pros

• Excellent heat tolerance up to 1800C for a wide range of non-ferrous metals.
• Durable silicon carbide and graphite construction gives a much longer service life than standard clay cups.
• Works across furnace, kiln, oven, and coal-fired stove setups for flexible use.
• Single-crucible supply helps maintain metal purity when dedicated to one alloy.

Cons

• Its physical size and weight make it less convenient for very small studio work or frequent transport.
• As with most graphite crucibles, users must observe careful handling and compatible tooling to avoid accidental damage during pours.

Specifications

Material	Graphite with silicon carbide clay
Maximum temperature	1800C / 3272F
Capacity (Cu)	25kg
Capacity (Al)	7.53kg
Volume	3100ml
Size	Height 9.3in, Width 8.5in
Included	One crucible

Our Verdict

For hobbyists and small-shop casters who need reliable, repeatable melts, this graphite crucible is a good value because it combines high temperature tolerance and extended life with practical capacity. It delivers predictable pours for aluminum, brass, copper and precious metals and is worth choosing if you want a dedicated crucible that reduces the need for frequent replacement.

Frequently Asked Questions

Can this crucible melt aluminum?
Yes, it is suitable for melting aluminum; the product lists a practical aluminum capacity of about 7.53kg per fill.

What working temperature can it handle?
The crucible is designed to withstand temperatures up to 1800C (3272F), making it appropriate for most non-ferrous metal melting tasks.

Is this supplied as a single unit or a pack?
The listing supplies one crucible, intended to be dedicated to a single metal to help maintain purity.