Editorial Technical Reference

Aluminum Die Casting

This page explains how Aluminum Die Casting is classified within Basic Metal Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Aluminum die casting is a manufacturing process that produces complex, high-precision metal parts by injecting molten aluminum alloy into a steel mold under high pressure.

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Product Specifications

Technical details and manufacturing context for Aluminum Die Casting

Definition

Aluminum die castings are widely used in automotive, aerospace, electronics, and consumer goods for components like engine blocks, housings, brackets, and heat sinks. They are specified by alloy grade (e.g., A380, A383), dimensional tolerances, surface finish, and mechanical properties. Grades differ in composition, affecting strength, corrosion resistance, and castability. The process yields parts with excellent dimensional accuracy, smooth surfaces, and high production rates, making it ideal for high-volume applications.

Working Principle

Molten aluminum alloy is forced into a hardened steel die at high pressure (typically 1,500–25,000 psi) and high speed, filling the cavity rapidly. The metal solidifies quickly under pressure, reproducing the die's intricate details. After solidification, the die opens and the part is ejected, ready for trimming or secondary operations.

Common Materials

A380 (Al-Si-Cu), A383 (Al-Si-Cu), A360 (Al-Si), A413 (Al-Si), ADC12 (Japanese equivalent)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Alloy Grade	A380, A383, A360, A413, ADC12	Selection based on mechanical properties and castabilityASTM B85
Dimensional Tolerance	±0.05–±0.13 mm	Depends on part size and feature complexityISO 8062-3
Wall Thickness	0.8–12 mm	Minimum wall thickness depends on alloy and part size
Surface Roughness (Ra)	0.8–3.2 µm	As-cast finish; can be improved with polishing or coatingISO 1302
Tensile Strength	230–320 MPa	Typical for A380 alloyASTM B85
Yield Strength	130–170 MPa	Typical for A380 alloyASTM B85
Elongation at Break	1–3 %	Typical for A380 alloyASTM B85
Hardness (Brinell)	80–100 HB	Typical for A380 alloyASTM B85
Thermal Conductivity	96–120 W/m·K	Depends on alloy; important for heat sinks
Maximum Operating Temperature	200–300 °C	Continuous service; higher for some alloys
Corrosion Resistance	Good to Excellent	Depends on alloy and surface treatmentASTM B117
Density	2.7–2.8 g/cm³	Typical for aluminum alloys
Porosity Level	Low to Moderate	Controlled by process parameters; can be minimized with vacuum die castingASTM E505
Pressure Tightness	Leak-tight up to 10–20 MPa	Depends on porosity and wall thickness
Surface Treatment Options	Powder coating, anodizing, plating, painting	Enhances corrosion resistance and appearance
Testing Method	X-ray, pressure test, tensile test, CMM	For quality assuranceISO 10049, ASTM E505

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Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Aluminum Die Casting.

Published Manufacturer Relationships

Source-reviewed profile relationships currently associated with Aluminum Die Casting

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Data Basis

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Preliminary Technical Classification

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