Application scope

Aluminum-Cobalt (Al-Co) Master Alloy | High-Purity Aluminum Alloy Additive>

Our Aluminum-Cobalt master alloy is independently vacuum-melted in our Ganzhou factory. This product contains no rare-earth elements, serving as a professional intermediate additive for aluminum alloy performance adjustment. It can effectively refine grain structure, improve hardness, wear resistance and structural uniformity of aluminum alloys with stable component ratio.

We supply standard industrial grades and support fully customized cobalt content. Strict impurity control ensures stable batch quality for industrial casting and material modification.


Chemical Composition

Grade

Cobalt (Co) Content

Aluminum (Al)

Max Impurities

Standard Al-Co

Custom 5%–30%

Balance

≤0.05% total

Custom cobalt content and special specifications are supported.

Key Features

• In-house vacuum melting, low gas content and pure texture

• Uniform cobalt distribution, excellent grain refining and strengthening effect

• Improves aluminum alloy hardness, wear resistance and structural stability

• Ultra-low impurity level, suitable for precision aluminum casting

• Stable modification performance for mass industrial production

Main Applications

• High-hardness and wear-resistant aluminum alloy component manufacturing

• Microstructure optimization of wrought and cast aluminum alloys

• Precision aluminum casting and industrial equipment parts

• Conventional aluminum alloy formula adjustment and material research

Our Production Advantages

• Factory direct vacuum melting production, stable supply

• Strict batch testing, complete COA inspection reports provided

• Support customized Co content and alloy lump size

• Cost-effective stable bulk supply for industrial customers

Product Specifications

• Forms: Ingot, lump, chunk

• Single piece weight: 1–5kg or customized

• Standard grades: 5%–20% Co content optional

Packaging & Shipment

Inner plastic bag packaging with outer iron drum protection, standard 50KG per drum, effectively preventing oxidation and damage during long-distance sea transportation. Sea freight and air freight are both available with flexible delivery arrangements.

Request A Quote

For customized Cobalt proportion, special size requirements or batch quotation, please submit your inquiry through our RFQ page.