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Zinc stands out as the most versatile metal for die casting, with zinc alloys delivering exceptional accuracy while keeping tooling costs low. The zinc die casting process provides a broad range of outstanding physical and mechanical properties, along with excellent finishing options, making it one of the easiest materials to cast. Many manufacturers opt for high-pressure zinc die casting to produce large volumes of precise, complex metal components. This method is highly efficient and adaptable, particularly suited for high-volume production. The main categories of zinc die casting alloys include conventional ZAMAK alloys—such as Alloy 3, Alloy 5, and Alloy 7—and those with higher aluminum content, including ZA-8, ZA-12, and ZA-27.
Eesson specializes in zinc alloy die casting, molds, and all necessary secondary operations. To obtain a quote, submit your part drawings, 3D files, and other relevant details.
The process relies on fast-cycling hot chamber die casting. It begins with the gooseneck component submerged in molten zinc within the furnace, allowing the metal to fill the chamber through a hole in the gooseneck. A vertical plunger then seals the hole and forces the molten metal into the die under high pressure. The part solidifies rapidly—often within seconds—and is ejected from the tool.
Zinc alloys exhibit enhanced strength and hardness, superior electrical and thermal conductivity, and relatively low raw material costs. They also offer high precision and durability, excellent thin-wall capabilities, the ability to be cold-formed for efficient joining, top-tier surface finishing, strong corrosion resistance, and full recyclability. Thanks to its impressive strength and hardness, zinc proves ideal for a wide variety of applications, serving as a strong alternative to stamped, pressed, machined, or fabricated components.
Zinc die casting stands unmatched in its advantages for producing cast parts. It enables high production rates and can deliver complex shapes in just hours. The material's exceptional properties provide greater design flexibility and significantly lower fabrication costs, allowing intricate design requirements to be transformed into finished products quickly and efficiently.
Compared to alternatives like aluminum alloys, magnesium, plastics, bronze, or cast iron, zinc die castings generally deliver superior resilience, firmness, toughness, performance, and overall cost-effectiveness. Additional advantages include better castability, superior fluidity, short and rapid cycle times, high stiffness, extended die life, excellent mechanical qualities, impressive tool longevity, tight accuracy tolerances, outstanding thermal conductivity, corrosion resistance, suitability for decorative finishes, reduced energy consumption, lower tooling costs, ease in achieving near-net-shape complex geometries, a strong balance of mechanical and physical properties, effective vibration dampening, a wide range of finishing options, and faster overall production.
Zinc die casting's cost- and time-saving advantages make it a go-to choice across numerous industries for diverse applications. Key sectors that frequently rely on zinc alloy die-cast components include electronics, automotive, mechanical design, and appliance manufacturing.
Zinc alloy die casting is especially favored for producing parts in building, industrial, and particularly automotive sectors. This process has long been integral to the automotive industry, where unique vehicles demand specialized components that die casting can produce effectively.
Common automotive uses include interior aesthetic parts, engine and under-the-hood elements, power steering systems, air-conditioning components and systems, brake parts and systems, fuel systems, electronic devices, and intricate net-shaped housings. The material's inherent corrosion resistance, combined with the ability to achieve high aesthetic quality and tight tolerances, makes zinc die casting a primary choice in automotive manufacturing.
Zinc die casting delivers precision, durability, and cost efficiency for components used in automotive, electronics, aerospace, and consumer goods. Leading manufacturers combine advanced alloys like Zamak and ZA series with high-pressure processes, CNC machining, and finishing to meet global demands. This list spotlights ten top companies, blending Chinese expertise with U.S. production strengths.
Dongguan Sincere Tech Co., Ltd excels as a top mold manufacturer in China, specializing in high-quality injection molds and die-casting for aluminum, zinc, and magnesium alloys. The company serves automotive, medical, and other sectors with precision reliability and competitive pricing, employing cutting-edge technology and skilled professionals to minimize deviations across projects. It offers comprehensive product development from design and prototyping to mass manufacturing, including high-precision assembly, testing, and packaging for zinc alloy die casting parts.
Founded in 1999, GC Precision Mold Co., Ltd leads zinc die-casting in China with over two decades of experience in aluminum, zinc, and magnesium processes, plus plastic molding, CNC machining, and surface finishing. Its efficient production lines feature machines from 120 to 1650 tons, supporting gravity, high-pressure, and sand casting for automotive, electronics, and healthcare sectors, with ISO 9001 certification ensuring quality and customized global delivery. The company provides zinc die casting, plastic injection molding, CNC machining, anodizing, powder coating, and custom molds, emphasizing innovation, fast response, and full customer support from initiation to delivery.
CNM Tech specializes in precision die-casting of aluminum, zinc, and magnesium, alongside plastic molding and CNC machining, offering competitive prices and high-quality standards for automotive, medical, and electronics industries. It manufactures complex components with services like forming, turning, assembly, and surface treatments including powder coating, anodizing, painting, and electroplating, using high-pressure machines for efficient production and rapid delivery. With ISO certification and a customer-oriented approach, CNM Tech ensures performance, schedules, and costs align for global clients seeking one-stop zinc alloy solutions.
As one of the leading zinc alloy die casting parts manufacturers founded in 1966, Cast Products, Inc. focuses on precision zinc die-cast components using multi-slide and hot-chamber methods for intricate, high-volume parts with low tooling costs and short cycles. It offers Zamak 2, 3, 5 and ZA-8 alloys, in-house engineering with SolidWorks and AutoCAD, secondary operations like CNC machining, plating, painting, and assembly, plus rapid prototyping. Serving automotive, electronics, industrial equipment, aerospace, and more, the ISO-compliant firm ensures quality via CMM, metallurgical testing, and visual inspections, providing U.S.-based efficiency and decades of experience.
A&B Die Casting produces precision zinc die-cast parts under ISO 9001:2015, leveraging advanced alloys for complex geometries, thin walls, RFI/EMI shielding, and superior finishes in automotive gears, electronics enclosures, industrial pumps, and consumer products. Its facilities include multi-slide and high-pressure machines for tight tolerances, plus finishing like powder coating and plating, with rigorous quality controls including non-destructive testing and material verification. The company emphasizes expertise, cost-effectiveness, customization, and on-time delivery from its California location.
Eastern Alloys Inc. stands as a North American leader in zinc die-casting alloys, offering Zamak series (3, 2, 5, 7), ZA alloys (8, 12, 27), and ACuZinc for strength, wear resistance, and corrosion protection in automotive, aerospace, and electronics. These fluid, durable alloys suit high-precision casting, with technical support for specifications to optimize performance across applications.
Zetwerk ranks among the largest zinc die casting manufacturers for precision parts in capital goods, consumer durables, and heavy industries, prioritizing quality, productivity, and affordability with global operations and flexible services. It delivers quick lead times for any scale, from prototypes to mass production, through its extensive supply chain network supporting diverse product types worldwide.
DyCast Specialties leads in high-pressure aluminum and zinc die casting, covering design, prototyping, tooling, machining, finishing, and assembly for industries like aerospace, automotive, medical, robotics, and telecommunications. Its end-to-end capabilities ensure durable, precise parts with short lead times and strong customer support, ideal for demanding applications.
Deco Products delivers high-quality zinc die-casting with design assistance, prototyping, tooling, precision machining, metal finishing like anodizing and powder coating, and assembly services for low- to high-volume runs. Serving automotive, aerospace, electronics, consumer goods, and industrial sectors, its ISO-certified processes focus on manufacturability, advanced technology, and client relationships for reliable, high-performance components.
SDC Incorporated excels in precision zinc die casting using automated French machines for parts up to 1 kg, achieving excellent finishes, tight tolerances, and complex shapes with minimal drafting via four-slide methods at up to 40 shots per minute. It uses high-purity zinc and ZA alloys (8, 12, 27) for strength and stability in electronics, automotive, aerospace, medical, and industrial uses, benefiting from low melting points, durable tooling, and high repeatability.
Zinc die casting excels in delivering high precision, making it especially suitable for thinner or smaller components. Selecting the appropriate zinc alloys and a dependable manufacturer is essential to meet all casting requirements effectively. A knowledgeable supplier can also guide you on alloy types and their specific benefits to achieve optimal results.
Room J757, No. 5358, Huyi Rd, Jiading, Shanghai, China
Room J757, No. 5358, Huyi Rd, Jiading, Shanghai, China
