Zinc

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Advanced Corrosion Protection and Structural Stability

Zinc is globally recognised for its exceptional ability to protect steel and other alloys through galvanisation and passivation. However, in advanced metallurgy, Zinc serves as a critical base for high-performance intermetallic compounds where weight, castability, and environmental resistance are paramount.

At Less Common Metals (LCM), we specialise in the Vacuum Induction Melting (VIM) of Zinc-based alloys that incorporate rare earth elements such as Cerium and Lanthanum. By processing these materials in a controlled vacuum environment, we ensure the production of high-purity cast forms with refined microstructures, tailored for the automotive, aerospace, and electrical sectors.

Zinc Capabilities & Technical Grades

We provide bespoke manufacturing for Zinc alloys, focusing on chemical homogeneity and the precise integration of rare earth additives. Our capabilities address the needs of technical buyers looking for specialised alloy properties:

  • Rare-Earth Zinc Systems (Zn-RE): Specialised intermetallics designed to enhance the traditional properties of Zinc, such as improved high-temperature creep resistance and tensile strength.
  • Corrosion-Resistant Precursors: High-purity cast alloys used as the foundation for protective coatings and structural components in harsh environments.
  • Master Alloys: Concentrated Zinc systems used as precision precursors for complex multi-element melts.

Available Casting Forms

  • Cast Ingots: Primary forms for industrial-scale alloying and remelting.
  • Specialty Cast Shapes: Tailored geometries to reduce downstream machining for industrial components.
  • Custom Castings: Melt capacities ranging from 5kg (R&D scale) to 600kg (industrial scale) to support both prototyping and volume production.
Alloy System Key Technical Benefits Primary Applications
ZnCeLa (Zinc-Cerium-Lanthanum) The addition of Cerium and Lanthanum enhances microstructural refinement, improves high-temperature stability, and increases mechanical strength. Automotive chassis components, aerospace fasteners, and high-performance electrical contacts.

Quality Assurance & Process Control

The performance of Zinc alloys in safety-critical applications like automotive or aerospace depends entirely on compositional accuracy and the exclusion of impurities. LCM ensures:

  • VIM Processing: Melting and casting under vacuum prevents the oxidation of Zinc and the highly reactive rare earth elements (Ce/La).
  • Microstructural Integrity: Controlled cooling and solidification processes are utilised to ensure uniform phase distribution within the ZnCeLa intermetallic.
  • Analytical Verification: Every batch is subjected to rigorous testing via ICP-OES to verify the exact elemental ratios and maintain a low-impurity trace metals basis.

Secure Packaging: All Zinc cast products are packed in sealed polythene bags within moisture-resistant metal drums to prevent surface oxidation and environmental degradation during transit.

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