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Magnesium Alloy AZ91D

    Magnesium Die Casting Sulfur Hexafluorid

    Magnesium alloy AZ91D is the most widely used magnesium die-casting alloy, with good mechanical properties,Excellent corrosion resistance and castability.

    Chemical Composition

    ElementContent (%)
    Aluminum, Al8.3-9.7
    Manganese, Mn0.15-0.50
    Zinc, Zn0.35-1
    Silicon, Si0.1
    Copper, Cu0.03
    Iron, Fe0.005
    Nickel, Ni0.002
    Others, each max0.02
    Magnesium, MgRemainder
    AZ91D Chemical Composition

    Physical Properties

    PropertiesMetricImperial
    Density1.81 g/cm31.046 lb/in3
    AZ91D Physical Properties

    Mechanical Properties

    PropertiesMetricImperial
    Tensile strength240-250 MPa35-36 ksi
    Yield strength160 MPa23.20 ksi
    Elastic modulus45 GPa6526 ksi
    Elongation3-7 %3-7 %
    Hardness6363
    AZ91D Mechanical Properties

    Thermal Properties

    PropertiesMetricImperial
    Thermal expansion co-efficient (at 20-100°C/68-212°F)26 µm/m°C14.4 µin/in°F
    Thermal conductivity (at 20°C/68°F)72.7 W/mK504 BTU in/hr.ft².°F
    Magnesium Alloy AZ91D Thermal Properties

    Application

    Due to the light weight, good strength of magnesium alloy, more and more products are now manufactured by magnesium alloy, as follows

    Covers
    Housings
    Handheld tools
    Sporting goods
    Computer parts
    Mobile and telephones
    Household equipment
    Automobile components.

    Process

    Several processing processes of magnesium alloy AZ91D, which is made of magnesium aluminum zinc alloy as the main component of the material, its production process are: casting, extrusion, rolling, forging, die-casting, etc.

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