Zamak Ingots

Zamak Ingots

What is Zamak?

Zamak is a family of zinc-based alloys containing aluminum, magnesium, and copper. The name is an acronym from the German names of its primary metals: Zink, Aluminium, Magnesium, and Kupfer (copper). It is widely used in die casting for automotive, hardware, and industrial components.

Most Common Premium Grades

Zamak 2 (ZA-2) Highest hardness and strength in the Zamak family; used in mechanical parts requiring durability.

Zamak 3 (ZA-3) (Most Popular) The standard benchmark grade — excellent balance of castability, strength, and dimensional stability. Widely used in automotive, electronics, and hardware.

Zamak 5 (ZA-5) Higher copper content than Zamak 3, offering improved tensile strength and hardness; preferred in Europe for structural components.

Zamak 7 (ZA-7) Ultra-high purity, low magnesium variant — superior fluidity and surface finish; ideal for thin-wall and decorative castings.

Premium Zamak Ingot Specifications

Property Zamak 3 Zamak 5 Zamak 7
Zinc (Zn) Balance Balance Balance
Aluminum (Al) 3.9–4.3% 3.9–4.3% 3.9–4.3%
Copper (Cu) ≤ 0.10% 0.75–1.25% ≤ 0.010%
Magnesium (Mg) 0.025–0.05% 0.03–0.06% 0.005–0.020%
Lead (Pb) ≤ 0.004% ≤ 0.004% ≤ 0.002%
Cadmium (Cd) ≤ 0.003% ≤ 0.003% ≤ 0.002%
Tin (Sn) ≤ 0.002% ≤ 0.002% ≤ 0.001%
Density 6.6 g/cm³ 6.6 g/cm³ 6.6 g/cm³
Melting Point ~387°C ~380°C ~390°C
Tensile Strength 283 MPa 331 MPa 283 MPa
Hardness (Brinell) 82 HB 91 HB 80 HB

Key Quality Indicators for Premium Grade

  • High purity zinc base (min. 99.99% Zn feedstock — Special High Grade)
  • Strict impurity control — especially Lead, Cadmium, and Tin (these cause intergranular corrosion)
  • Compliance with ASTM B86, EN 1774, or ISO 301 standards
  • Consistent ingot weight — typically 1 kg, 5 kg, or 25 kg bars
  • Mill Test Certificate (MTC) with full chemical analysis per batch
  • Traceability — heat/lot number marking on each ingot

Typical Applications

Zamak 3/5 are dominant in automotive parts, lock bodies, door handles, zippers, electrical connectors, toy components, and precision hardware. Zamak 7 is preferred for fine decorative and plumbing fixtures.

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Description

Zamak Ingots

Discover the exceptional qualities of Zamak, a premium product distributed and traded worldwide by Nova Casa Bahia SA, a trusted Brazilian company. This zinc alloy, composed primarily of zinc along with aluminum, magnesium, and copper, plays a critical role in numerous industries, particularly in manufacturing and engineering.

Key Properties

Zamak is characterized by its excellent casting properties, allowing for intricate designs and high precision in manufacturing. The alloy is known for its good mechanical strength and durability, making it suitable for applications that require resilience and reliability. Additionally, Zamak exhibits superior corrosion resistance, ensuring longevity in various environments.

Versatile Applications

Zamak is widely used in die-casting applications, making it a popular choice in the automotive industry for producing lightweight components such as engine parts, housings, and brackets. It is also utilized in the manufacturing of consumer goods, including hardware, toys, and decorative items, where its versatility and ease of processing offer significant advantages. Furthermore, Zamak is employed in the production of electrical fittings and appliances due to its conductive properties.

A Trusted Brand

Nova Casa Bahia SA is committed to delivering high-quality materials that meet stringent industry standards. Each batch of Zamak undergoes rigorous testing to ensure consistency and performance, providing customers with reliable products for their projects.

An Essential Material

Elevate your manufacturing processes with the dependable performance of Zamak—an indispensable choice for companies seeking quality, efficiency, and innovation in their products across diverse sectors!

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