ISO 9001:2015 aluminum die casting factory in Dongguan, China
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Quality and Defects

Common die casting defects, their root causes, and the inspection methods used to catch them before shipment.

Macro comparison of porosity, cold shut and flash defects in aluminum castings
12 min read

Common Aluminum Die Casting Defects and How to Fix Them

A diagnostic reference for fourteen aluminum die casting defects, each with what it looks like, the physical root cause, the design fix and the process fix, plus the inspection methods that find them.

March 9, 2026 · Read the guide →
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Manufacturing services

Aluminum Die CastingCustom aluminum die casting from DFM review through tooling, production casting and finished part inspection.High Pressure Die Casting (HPDC)Cold chamber HPDC from 160 to 1,250 tons for thin-wall, high-detail aluminum components at production volume.CNC Machining After CastingPrecision machining of die cast aluminum to hold ±0.02 mm on sealing faces, bores, threads and datum features.Surface Finishing for Die Cast AluminumShot blasting, powder coating, painting, polishing, chromate conversion and anodizing on cast aluminum parts.

Aluminum alloys

A380 Aluminum Die Casting AlloyThe general-purpose workhorse alloy. Best all-round balance of strength, castability, machinability and cost.ADC12 Aluminum Die Casting AlloyThe JIS equivalent of A383, widely specified in Asia for thin-wall parts and complex geometry.A360 Aluminum Die Casting AlloyHigher corrosion resistance and better pressure tightness for sealed and outdoor housings.Aluminum-Silicon Die Casting AlloysThe Al-Si alloy family behind every die casting alloy, including EN AC-46000 and AlSi9Cu3 grades.

Other categories

Aluminum Die Casting KnowledgeHow the aluminum die casting process works, what it can and cannot do, and how it compares with other manufacturing routes.Design GuidesPractical design rules for die cast aluminum parts: wall thickness, draft, ribs, tolerances and drawing preparation.Alloys and MaterialsAlloy selection and comparison for aluminum die casting, including A380, ADC12, A360 and the aluminum-silicon family.
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