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Magnesium
Magnesium Elektron - Service & Innovation in Magnesium

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Magnesium Elektron Elektron® AZ80A Magnesium Alloy, UNS M11800
Categories: Metal; Nonferrous Metal; Magnesium Alloy

Material Notes: AZ80A is a wrought magnesium base alloy containing aluminum, zinc and manganese. Increased strength is obtained by artificial aging from the as-fabricated form. Elektron AZ80A has a fine controlled microstructure for improved forging performance and consistent mechanical properties of the forged part.

Applications: AZ80A forgings can be used where pressure tightness or machinability are required. That parts are dimensionally stable during and after machining is also an important design consideration. Forgings in AZ80A find application in high strength parts for satellites, helicopter gearboxes and rotor hubs, bicycle frames, road wheels, missile frames and interstage fairings, brake housings and landing gear struts.

Information provided by Magnesium Elektron.

Key Words: UNS M11800; AMS4360; ASTM B91-12; FEDERAL QQ-M-40B
Vendors: Magnesium Elektron is the world leader in high strength magnesium alloys in rolled, extruded and cast forms. Phone (303) 589-3189 or visit www.magnesium-elektron.com.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.80 g/cc
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 290 MPaAZ80A-T5 Die Forgings
 290 MPaAZ80A-T6 Die Forgings
Tensile Strength, Yield 179 MPa
@Strain 0.2 %
AZ80A-T6 Die Forgings
 193 MPa
@Strain 0.2 %
AZ80A-T5 Die Forgings
Elongation at Break 2.0 %AZ80A-T5 Die Forgings
 5.0 %AZ80A-T6 Die Forgings
Modulus of Elasticity 45.0 GPa
Poissons Ratio 0.35
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000145 ohm-cm
 
Thermal PropertiesOriginal ValueComments
CTE, linear 26.0 µm/m-°C
Specific Heat Capacity 1.10 J/g-°C
Thermal Conductivity 76.0 W/m-K
Melting Point 470 - 595 °C
Solidus 470 °C
Liquidus 595 °C
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 7.8 - 9.2 %
Magnesium, Mg 89.5 - 91.88 %As Balance
Manganese, Mn 0.12 - 0.50 %
Zinc, Zn 0.20 - 0.80 %

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