Typical Die Casting Aluminum Alloys

Typical Die Casting Aluminum Alloys are specially formulated materials used in the die casting process. Known for their lightweight, strength, and excellent corrosion resistance, these alloys are ideal for producing high-performance components in industries like automotive, aerospace, and electronics.

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When To Choose Aluminum for Die Casting

Aluminum is a top choice for die casting due to its excellent strength-to-weight ratio, corrosion resistance, and good thermal and electrical conductivity. It is versatile, cost-effective, and easy to machine and finish, making it ideal for applications in automotive, aerospace, and industrial parts. Aluminum’s properties enhance performance while reducing manufacturing costs, making it a reliable material for various uses.

Reason	Explanation
Excellent Strength-to-Weight Ratio	Aluminum offers a high strength-to-weight ratio, making it ideal for applications where weight reduction is important without compromising strength.
Corrosion Resistance	Aluminum naturally forms a protective oxide layer, enhancing its resistance to corrosion, especially in harsh environments.
Good Thermal and Electrical Conductivity	Aluminum has excellent heat and electrical conductivity, making it suitable for applications like heat exchangers and electrical components.
Versatility in Applications	It is highly versatile, used in automotive, aerospace, and industrial parts due to its flexibility in meeting design requirements.
Cost-Effectiveness	Compared to other metals, aluminum is relatively inexpensive, making it a cost-effective option for mass production of parts.
Ease of Machining and Finishing	Aluminum is easier to machine and finish, allowing for precise manufacturing and smooth surface finishes.

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Typical Casting Aluminum Alloy Available

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.

Aluminum	Aliases	Tensile Strength (MPa)	Yield Strength (MPa)	Fatigue Strength (MPa)	Elongation (%)	Hardness (HB)	Density (g/cm³)	Applications
A380	AlSi9Cu3 (EU), AC7A (Japan)	240-310	155-210	90-120	1-3	90-120	2.68-2.75	Automotive parts, industrial castings, housings
A356	AlSi7Mg (EU)	290-350	230-280	150-180	4-8	120-150	2.68-2.75	Aerospace, high-performance automotive, structural parts
A413	A383 (Japan)	240-310	150-200	85-110	2-4	85-115	2.68-2.75	Precision castings, thin-walled components
A360	AlSi9Cu3 (EU)	250-310	180-230	100-120	3-5	95-120	2.65-2.75	Automotive, industrial components, pressure die casting
AC4C	A360 (US), AlSi9Cu3 (EU)	240-310	170-220	90-120	3-5	95-120	2.65-2.75	Automotive, high-performance die casting
AC7A	A380 (US), AlSi8Cu3 (EU)	230-300	150-200	80-100	2-4	90-115	2.65-2.75	Automotive, industrial, general-purpose die casting
AC8A	A413 (US)	210-280	140-190	75-90	3-5	85-110	2.60-2.75	Automotive, thin-walled parts, precision die casting
AlSi12	AlSi12 (EU)	200-270	150-220	80-100	2-4	85-110	2.60-2.70	Automotive, high-performance, wear-resistant parts
AlZn10Si8Mg	A356 (US)	350-400	270-350	180-220	5-7	150-170	2.60-2.70	Engine components, structural and high-strength parts

Typical Surface Treatment for Aluminum Die Castings

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

Surface Treatment	Description	Purpose/Benefit	Applications
Anodizing	Electrochemical process that forms a durable oxide layer on the surface of the aluminum.	Increases corrosion resistance and wear resistance; enhances appearance.	Automotive parts, cookware, aerospace, electronics, architectural finishes.
Arc Anodizing	A type of anodizing that uses electrical arcs to produce a thicker and harder oxide coating on aluminum.	Provides superior wear resistance, durability, and aesthetic appeal, especially for harsh environments.	Aerospace, military, high-end automotive, industrial machinery, marine environments.
Chromate Conversion Coating	A chemical treatment that creates a protective layer on the aluminum surface.	Provides corrosion resistance and improves paint adhesion.	Aerospace, automotive, military, electrical connectors, 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, architectural components, outdoor equipment.
Electroplating (Nickel, Zinc, etc.)	The process of depositing a metal layer onto the aluminum surface through electrochemical means.	Improves corrosion resistance and surface hardness, and enhances appearance.	Automotive, electrical components, hardware, household products, 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 aluminum.	Provides UV and corrosion resistance while maintaining the metallic look.	Automotive, electronics, marine, architectural, jewelry.
Heat Treatment	Controlled heating and cooling process to alter the mechanical properties of aluminum.	Enhances strength and hardness of the cast aluminum part.	Aerospace, automotive, machinery, defense, high-performance parts.