A413 Aluminum Casting Alloy

AA A413.0 / die casting. A413 is a near-eutectic Al-Si die-casting alloy with the best fluidity and pressure-tightness — ideal for intricate, thin-wall and leak-critical castings.

Chemical composition (nominal wt %)

Element	%
Silicon (Si)	11.0–13.0
Copper (Cu)	≤1.0
Iron (Fe)	≤1.3
Magnesium (Mg)	≤0.10

Mechanical properties

Property	Value
Tensile strength	290 MPa (42 ksi)
Yield strength	130 MPa (19 ksi)
Elongation	3.5%
Hardness	~80 HB

Density: 2.66 g/cm³ · Heat treatment: Not heat-treatable; as-cast (F) die casting.

Cross-standard equivalents

Standard	Equivalent grade
JIS	ADC1
EN AC	EN AC-44300 (AlSi12)
GB	YL102

Equivalents by nominal class — confirm exact chemistry & spec for critical parts.

Typical applications

Pressure-tight / leak-critical castings
Thin-wall, intricate parts
Hydraulic & pneumatic housings
Electronic & lighting enclosures

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FAQ

Why choose A413 aluminum?

A413's near-eutectic ~12% silicon gives the best castability and pressure-tightness of the common die-casting alloys, making it the choice for intricate, thin-wall and leak-critical parts.