MegaCast #3 6kg Metal Cap Foundry Crucible – Clay Graphite, Black Cup, Torch Melting

Overview

Discover MegaCast #3, a 6 kg clay-graphite crucible designed to support melting and refining across a range of metals. Its sturdy build and thoughtful dimensions help you manage heat and capacity from initial heating to final pours, making it a versatile choice for small-scale foundry tasks.

Key capabilities

• Designed for melting gold, silver, copper, brass, aluminum and more when paired with the right equipment.
• Outside dimensions are 5.25 inch diameter and 5.5 inch length; inside dimensions are 3.75 inch diameter and 4.75 inch depth, offering balanced capacity.
• Torch application designed to work with fuel/gas, and with medium to high heat induction furnaces and kilns.
• Can be used with our propane melting furnaces as well as a standard torch method. Not for use in coal foundries.
• Clay graphite foundry crucible, #3- 6kg, engineered for multiple heating cycles with reliable performance.

Usage ideas and real-life scenarios

Whether you’re refining jewelry metals or performing small-scale casting, this crucible provides a stable platform for controlled pours and steady heat management. The clay-graphite interior helps with gradual heat buildup and cleaner pours, while the robust exterior resists thermal stress during longer sessions.

Practical tips to get the most from your setup:

• Preheat gradually to prevent thermal shock and extend crucible life.
• Use with compatible furnaces or a standard torch method for flexible operation.
• Handle with heat-resistant tongs and allow the crucible to cool naturally before cleaning.

What you get and why it matters

This MegaCast crucible pairs a generous 6 kg capacity with a durable clay-graphite mix, balancing heat tolerance with manageable weight for day-to-day melting tasks. It supports a range of metals and pour sizes, helping you maintain a smooth, predictable workflow.