Aluminum alloys are among the most widely used lightweight metal materials in modern industry. With their exceptional strength-to-weight ratio, excellent corrosion resistance, superior thermal and electrical conductivity, and 100% recyclability, they are the core material choice for the die casting industry. From automotive components to consumer electronics, from LED lighting to EV battery housings, aluminum die castings are found in virtually every industrial sector.
Why Choose Aluminum Alloy Die Casting？
Lightweight – Density of approximately 2.7 g/cm³ – about one-third that of steel – making it the ideal material for weight reduction and energy efficiency
High strength-to-weight ratio – Superior to many structural steels, providing adequate structural strength while reducing mass
Excellent thermal conductivity – Approximately 3-4 times that of steel – the preferred material for LED heatsinks, motor housings, and other thermal management components
Good electrical conductivity – Suitable for EMI shielding and grounding applications
Corrosion resistance – Naturally forms a protective oxide layer; further enhanced through anodizing
100% recyclable – Aluminum can be recycled indefinitely without performance loss – environmentally sustainable
Excellent castability – Good fluidity and filling capability – ideal for high-volume production of complex, thin-walled parts
Common Die Casting Aluminum Alloys
| Alloy | Standard | Characteristics | Typical Applications |
|---|---|---|---|
| ADC12 | JIS (A383 equivalent) | Excellent castability, good fluidity, high hot-crack resistance, cost-effective | Consumer electronics housings, LED lighting, general parts, thin-wall complex parts |
| A380 | ASTM (ADC10 equivalent) | Superior mechanical properties, high strength and hardness, good corrosion resistance, most widely used alloy | Automotive engine components, transmission housings, industrial structural parts |
| A360 | ASTM | Excellent corrosion resistance, good high-temperature performance, good ductility | Marine equipment, outdoor lighting, high-temperature applications |
| A413 | ASTM | Exceptional fluidity, good pressure tightness | Precision thin-wall parts, complex enclosures, hydraulic valve bodies |
Typical Applications of Aluminum Die Casting
- Automotive – Engine blocks/heads, transmission housings, shock towers, cross beams, subframes, battery pack housings, motor housings, ECUs
- New Energy – Battery pack housings, motor housings, power control units, inverter housings, charging station structural parts
- LED Lighting – Heatsinks, lamp housings, lamp bases, module enclosures, explosion-proof luminaire housings
- Telecom/Electronics – Base station enclosures, filter housings, heatsinks, security camera housings, router enclosures
- Appliances & Industrial – Power tool housings, pump bodies, valve bodies, gearboxes, motor end caps
- Consumer Electronics – Laptop enclosures, smartphone mid-frames, projector heatsinks
Our Aluminum Die Casting Capabilities：
- Raw materials: ADC12 / A380 / A360 and other standard grades
- Clamping force: 200T – 4,500T
- Part weight range: 0.01kg – 50kg
- Minimum wall thickness: down to 1mm
- Post-processing: CNC machining, deburring, surface finishing (anodizing/painting)
- Certified: IATF 16949 / ISO 9001
Why Choose Aluminum Die Casting？
- Compared to steel, aluminum castings achieve 30%-60% weight reduction.
- Compared to plastics, aluminum offers superior strength, heat resistance, and aging performance.
- Compared to forging and stamping, die casting delivers higher material utilization and lower per-part cost (at high volumes).
In today’s manufacturing landscape – where lightweighting, electrification, and sustainability are paramount – aluminum die casting is the ideal process that bridges product performance and cost-effectiveness.
Contact us to learn more about our aluminum die casting solutions.
