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Home / Resources / A380 Aluminum Alloy
Materials

A380 Aluminum Alloy

Use A380 as a defined casting material specification, then review machining, sealing and finishing on the actual component.

Written by ZAODA Engineering Updated Oct 29, 2026
ZAODA cast motor housing photograph with machined bores and mounting flanges
ZAODA cast housing photograph for machining, bore and flange interface review.

A casting alloy, not a billet equivalent

A380 is an aluminum-silicon-copper die-casting alloy. It can suit repeat housings and brackets with integrated ribs, bosses and mounting features. Specify the exact material designation and governing standard rather than ordering generic aluminum. Wrought stock and a die casting with similar external dimensions have different manufacturing histories.

Properties depend on the part and test basis

Published typical properties help screen candidates. They are not automatic acceptance limits for every wall, boss or separately cast test bar. State the required property, specimen location, test method and supplied condition when those values control the design. A finished-part load test may be more relevant than a generic catalog tensile value.

Review the downstream route

Coating, machining and leak testing can determine whether the chosen alloy works in the application. Identify stock-removal zones before tool design, keep thick intersections under review and establish where appearance matters. If an alternate grade is proposed, compare all these requirements together rather than approving on material price alone.

Review checklist

Review item Define before release Evidence to retain
Material identity Grade, standard and edition Traceable material evidence
Local performance Loaded boss or machined interface Specified part or specimen test
Finish compatibility Coating type and appearance zone Production-intent sample

Worked review example

For an electronic enclosure, approve the coated visible surface and the uncoated grounding pads together. A change of alloy may affect both even if the CAD model is unchanged.

Apply the review to your drawing

Identify the affected features on the current drawing and attach the material, finish and operating requirements that control them. Agree the proposed route and acceptance evidence before releasing a change. Send the controlled files for a project review.

Further reading

Use the specification and edition agreed for the order when setting acceptance limits; the links above provide background.