2.73

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Melting Point (Solidus), °F

Melting Point (Solidus), °F: 945 — 945

Density, lbs/in³

Density, lbs/in³: 0 — 1

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  • A390.1 Aluminum Alloy

    A390.1 Aluminum Alloy

    Hypereutectic Al-Si alloy (77.9% Al, 17% Si, 4.5% Cu, 0.6% Mg) with superior wear resistance and low thermal expansion. Engine...
    Lead-free
    Engine Block Grade Hypereutectic Si Low Thermal Expansion Superior Wear Resistance
    Solidus
    945°F (507°C)
    Liquidus
    1,200°F (649°C)
    Density
    0.099 lbs/in³ (2.73 g/cm³)
    Primary Elements
    Al, Cu, Mg, Si
    Nominal Composition
    0.6% Mg, 17% Si, 4.5% Cu, 77.9% Al
    Shapes
    Ingot, Slabs, Waffle
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