Typical Die Casting Zinc/Zamak Alloys

Typical Die Casting Zinc/Zamak Alloys are versatile, durable, and cost-effective materials used for precision casting. Known for their high strength, excellent surface finish, and corrosion resistance, these alloys are widely utilized in automotive, electronics, and hardware applications for reliable performance.

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When To Choose Zinc for Die Casting

Zinc is a preferred material for die casting due to its excellent fluidity, strength, and dimensional accuracy. It offers superior corrosion resistance, is cost-effective, and provides a smooth finish. Zinc die casting is ideal for producing intricate parts with high durability and performance, commonly used in automotive, electrical, and consumer goods applications.

Reason	Explanation
Excellent Fluidity and Fillability	Zinc has excellent fluidity, allowing it to fill intricate molds easily and produce parts with fine details and smooth finishes.
High Strength and Durability	Zinc provides high strength and durability, making it ideal for producing long-lasting, reliable parts for various applications.
Superior Corrosion Resistance	Zinc naturally offers superior resistance to corrosion, especially in harsh environments, making it suitable for outdoor and marine applications.
Cost-Effectiveness	Zinc is relatively inexpensive compared to other metals, making it a cost-effective option for producing high-volume parts.
Dimensional Accuracy	Zinc die casting allows for high precision and tight tolerances, ensuring parts meet exact specifications and performance standards.
Easy Machining and Surface Finish	Zinc parts are easy to machine, and their smooth surface finish reduces the need for post-processing and enhances aesthetic appeal.

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Typical Casting Zinc/Zamak Alloys

We offer a range of high-quality aluminum alloys for die casting, including A356, A360, A380, ADC12 (A383), B390, A413, and anodized aluminum. Each alloy provides unique properties suited for various industries like automotive, aerospace, and electronics.

Zinc/Zamak Alloys	Aliases	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HB)	Density (g/cm³)	Applications
Zamak 3	ZA-3 (US), ZL3 (EU)	260-310	200-240	100-150	1-3%	80-100	6.60-6.70	General-purpose die casting, automotive parts, hardware
Zamak 5	ZA-5 (US), ZL5 (EU)	270-340	210-250	110-160	2-4%	85-110	6.60-6.70	Electronics, automotive components, decorative parts
Zamak 2	ZA-2 (US), ZL2 (EU)	350-400	250-300	130-180	1-2%	90-120	6.70-6.75	High-strength applications, automotive parts, hardware
Zamak 7	ZA-7 (US), ZL7 (EU)	220-270	180-220	80-120	1-2%	75-95	6.65-6.75	Precision die casting, thin-walled parts
Zamak 8	ZL8 (EU)	240-300	190-230	100-140	2-3%	80-100	6.60-6.70	High-performance applications, automotive, appliance parts
ZA-8	ZL8 (EU)	340-410	250-300	130-180	2-3%	95-120	6.70-6.75	High-strength structural components, automotive parts
Zamak 12	ZL12 (EU)	240-300	190-230	100-140	2-3%	85-100	6.60-6.70	Automotive, machinery, general-purpose parts
Zamak 27	ZL27 (EU)	340-380	250-300	130-180	3-4%	90-120	6.65-6.70	High-performance applications, industrial components
Zinc-Aluminum	ZAMAK 27A	300-380	220-270	120-170	2-3%	90-115	6.60-6.75	Structural parts, industrial and automotive parts

Typical Surface Treatment for Zinc Die Castings

Typical surface treatments for zinc die castings include chromate conversion coating, powder coating, electroplating, painting, polishing, shot blasting, vibratory finishing, chemical etching, clear coating, and PVD. These processes enhance properties such as corrosion resistance, surface hardness, appearance, and strength, while also improving durability and performance in various industrial applications.

Surface Treatment	Description	Purpose/Benefit	Applications
Chromate Conversion Coating	A chemical treatment that creates a protective layer on the zinc surface.	Provides corrosion resistance and improves paint adhesion.	Automotive, electrical components, military, and industrial equipment.
Powder Coating	A dry finishing process where a powdered coating is applied and then cured under heat.	Enhances corrosion resistance, improves aesthetics, and offers durable finishes.	Automotive parts, household appliances, furniture, outdoor equipment.
Electroplating (Nickel, Zinc, etc.)	The process of depositing a metal layer onto the zinc surface through electrochemical means.	Improves corrosion resistance and surface hardness, and enhances appearance.	Automotive, electrical components, hardware, decorative items.
Painting	Application of liquid paints for decorative and protective purposes.	Offers color, increased durability, and corrosion resistance.	Consumer products, automotive, machinery, outdoor products, furniture.
Polishing	Mechanical or chemical polishing to create a smooth, shiny surface.	Improves surface finish and aesthetic appeal, often used for decorative purposes.	Jewelry, automotive, consumer electronics, decorative architectural elements.
Shot Blasting	High-pressure blasting of abrasive particles onto the surface to clean or texture it.	Improves surface texture, removes casting defects, and enhances paint adhesion.	Metalworking, automotive, aerospace, construction, foundries.
Vibratory Finishing	Using abrasive media in a vibrating machine to smooth surfaces.	Reduces surface roughness and deburrs parts.	Automotive, aerospace, medical device manufacturing, jewelry finishing.
Chemical Etching	Use of chemicals to etch away unwanted material from the surface.	Provides fine surface finishes, often used for engraving or creating textured finishes.	Electronics, signage, jewelry, precision machining, aerospace.
Clear Coating	Application of a transparent coating to preserve the natural finish of zinc.	Provides UV and corrosion resistance while maintaining the metallic look.	Automotive, electronics, marine, architectural, jewelry.
PVD Process	Physical Vapor Deposition process that applies thin metallic coatings to the zinc surface.	Provides superior wear resistance, hardness, and enhanced aesthetics with metallic finishes.	Electronics, automotive, decorative hardware, medical devices, aerospace.