AlBeMet® AM162 Extruded (rod, Bar, Tube)

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AlBeMet® metal matrix composite was developed by Materion to combine the high modulus and low density characteristics of beryllium with the fabrication and mechanical property behaviors of aluminum. This material offers significant performance advantages in certain applications when compared to steel, aluminum and common aluminum metal matrix composites.


  • High specific modulus
  • Increased performance with less weight
  • Thermal stability over temperature ranges -50ºC to 150ºC
  • Easily welded for manufacturing of structures and defect repair
  • Machinability similar to aluminum
  • Allows for smaller, simpler designs
  • Related Standards

    This material data has been provided by Materion Brush GmbH.

    "Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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    23.0 °C

    2.07 g/cm³

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    Elastic modulus

    23.0 °C

    202 GPa

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    23.0 °C

    7 - 9 %

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    Fatigue strength

    23.0 °C

    207 MPa

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    10⁷ cycles, R=-1, R.R. Moore rotating beam

    Plane-Strain Fracture Toughnes

    23.0 °C

    11 - 23 MPa·√m

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    Poisson's ratio

    23.0 °C

    0.17 [-]

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    Tensile strength

    23.0 °C

    400 - 439 MPa

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    Yield strength Rp0.2

    23.0 °C

    276 - 328 MPa

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    Coefficient of thermal expansion

    23.0 °C

    1.39E-5 1/K

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    Specific heat capacity

    23.0 °C

    1465 J/(kg·K)

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    Thermal conductivity

    23.0 °C

    210 W/(m·K)

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    Specific Electrical conductivity

    49 % IACS

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    Chemical properties



    60 - 64 %

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    0 - 0.1 %

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    0 - 0.2 %

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    Other Metallics, each


    0 - 1 %

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    Technological properties

    Application areas

    The product is used extensively in optical and structural components in aircraft and satellite and commercial applications. It’s currently being used in the U.S. Military’s F-35 Lightning ll, F-16 and the Boeing AH-64 Apache as well as other military aircraft. To date, AlBeMet composite has been used in more than 150 satellites currently orbiting in space (aviation electronics, semiconductor assembly)

    Corrosion properties

    Beryllium is corrosion-resistant in air up to 600 ̊C. This is attributed to the formation of an adherent oxide layer on the surface. The volume, occupied by the oxide, is greater than the volume of the original metal consumed and forms an effective barrier to further oxidation. Beryllium shows similar corrosion resistance in water as it does in air. Below 600 ̊C, the oxide layer protects beryllium from attack. The presence of salts in water, particularly chloride, dramatically accelerates the corrosion of beryllium. This corrosion can be further accelerated (galvanic corrosion) if beryllium is in contact with a less reactive metal.


    Surfaces to be plated must be wetted by all solutions and rinses in the plating sequence One must be able to make electrical contact without resulting defects The amount of metal deposited on a given portion of a surface will be proportional to the current that flows to that surface portion. On the other hand, it is necessary to be aware of the great influence that part configuration can have on the cost of plating and on the quality of the finished product.

    Stress corrosion cracking

    Materion’s Beryllium Products and Composites and independent laboratories including the European Space Agency (ESTEC) materials lab have tested AlBeMet® 162 sheet and extruded products for stress corrosion. The testing consisted of using the ASTM G28-73 test procedure, C-ring Stress Corrosion Testing and subjecting the specimens to 30 days in a 2.5% sodium chloride (NaCl) solution. The results indicate that none of the specimens failed during the 30 days testing, and is subsequent tensile strength testing no degradation. ESTEC/ESA has given their approval for the use of AlBeMet® 162 for use on satellite structures for European Spacecraft.


    Forming the sheet material, is similar to aluminum, in that the same tooling and temperature ranges can usually be applied, but at a higher forming temperature, typically over 200 ̊C (392°C). The forming rate is slightly slower for AlBeMet® materials. Testing includes modal identification testing, axial & lateral static loading conditions, anticipated axial and later vibration, shock loads, and thermal cycling loads random vibration testing. This chart depicts in minimum gage aluminum applications; density is approximately the same as fiber glass.