Lead-freeCompact Briquette FormControlled Expansion AlloyJewelry AlloyVIM Charge Material
99.9% pure nickel in 1.5" x 1.25" x 0.75" briquette form. Used for nickel alloy production, controlled expansion alloys, jewelry alloys, and electroplating.
Nickel Briquettes are 99.9% pure nickel in compact 1.5″ x 1.25″ x 0.75″ briquette form, providing a convenient dense format for furnace charging and controlled alloy additions. Nickel melts at 2,651°F (1,455°C) and has a density of 0.321 lbs/in³ (8.89 g/cm³). The briquette form provides a practical balance of charge density, handling convenience, and consistent weight per piece. Nickel is used in association with other elements to improve strength, toughness, and corrosion resistance across a wide temperature range. It is a primary constituent of stainless steels, superalloys, and corrosion-resistant alloys. Controlled expansion alloys (Invar, Kovar) rely on specific nickel-iron compositions to achieve near-zero thermal expansion coefficients used in electronics, television tubes, and precision instruments. In jewelry, nickel-gold and nickel-silver (white gold) alloys use nickel to achieve the desired color and hardness. Nickel briquettes provide a clean, dense form suitable for vacuum induction melting and precision alloying applications. Supplied as individual briquettes measuring 1.5″ x 1.25″ x 0.75″.
Available Forms
1.5" x 1.25" x .75"
Product Code
9122
Technical Info
Thermal Properties
Melting Point (Solidus)2,651°F (1,455°C)
Melting Point (Liquidus)2,651°F (1,455°C)
Physical Properties
Density (imperial)0.321 lbs/in³
Density (metric)8.89 g/cm³
Primary ElementsNi
Lead FreeYes
Key Features
Compact Briquette FormControlled Expansion AlloyJewelry AlloyVIM Charge Material
Nominal Composition
99.9% Ni
Bal
Frequently Asked Questions
Common technical inquiries regarding Nickel Briquettes
Controlled expansion alloys such as Invar (36% Ni, 64% Fe) have a near-zero coefficient of thermal expansion near room temperature due to a magnetovolume effect that counteracts normal thermal expansion. The exact nickel content must be tightly controlled — small deviations from 36% Ni shift the expansion coefficient significantly. Invar is used in precision instruments, laser components, LNG tank supports, and bimetallic thermostat elements where dimensional stability over temperature is critical.
White gold alloys typically contain 10–20% nickel along with gold and other elements such as copper and zinc. Nickel bleaches the yellow color of gold, producing the white appearance of white gold, and significantly increases hardness and wear resistance compared to pure gold. However, nickel can cause contact dermatitis in sensitive individuals, leading EU regulations to restrict nickel release from jewelry. Palladium-based white gold alloys have become more common as a hypoallergenic alternative.
Nickel briquettes provide a compact, consistent-weight piece that simplifies charge weight calculation and provides good packing density in induction furnace crucibles. Compared to broken cathodes, briquettes have more uniform size and less surface area per unit weight, which can slow dissolution slightly but reduces surface oxide content. For VIM operations where charge cleanliness is critical, briquettes and cathode squares both provide acceptable purity — selection is typically based on availability and handling preference.
Electrolytic Grade N nickel in 1/4″ x 3/4″ pellet form. Used for decorative and functional nickel electroplating providing corrosion protection, wear resistance, and high luster finish.
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