Magnesium Elektron Elektron® AZ91 Magnesium Alloy

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Magnesium Elektron Elektron® AZ91 Magnesium Alloy
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	General purpose alloy. Good founding properties. Suitable for pressure die castings. Information provided by Magnesium Elektron.
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. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Specific Gravity	1.83 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	60 - 75	as sand cast
	60 - 75	sand cast + solution treated
	85 - 100	sand cast + solution and precipitation treated
Tensile Strength at Break	125 MPa	Sand cast
	170 MPa	Chill cast
	200 MPa	Sand cast, + solution treated
	200 MPa	Sand cast, solution treated and precipitation treated
	215 MPa	Chill cast, + solution treated
	215 MPa	Chill cast, solution and precipitation treated
Tensile Strength, Yield	80.0 MPa @Strain 0.2 %	solution treated
	95.0 MPa @Strain 0.2 %	Sand cast
	100 MPa @Strain 0.2 %	Chill cast
	120 MPa @Strain 0.2 %	solution and precipitation treated
Elongation at Break	2.0 %
	2.0 %	Chill cast
	4.0 %	Chill cast, + solution treated
	4.0 %	Sand cast, + solution treated
	5.0 %	Chill cast, solution and precipitation treated
Compressive Yield Strength	75.0 - 110 MPa @Strain 0.2 %	solution and precipitation treated
	85.0 - 110 MPa @Strain 0.2 %	as cast
	110 - 140 MPa @Strain 0.2 %	solution and precipitation treated
Compressive Strength	185 - 432 MPa	Solution treated
	280 - 340 MPa	as cast
	385 - 465 MPa	solution and precipitation treated
Fatigue Strength	58.0 - 62.0 MPa @# of Cycles 5.00e+7	Rotating bend; semi-circular notch, radius 1.2 mm, solution and precipitation treated
	58.0 - 65.0 MPa @# of Cycles 5.00e+7	Rotating bend; semi-circular notch, radius 1.2 mm, as cast
	65.0 - 77.0 MPa @# of Cycles 5.00e+7	Rotating bend; semi-circular notch, radius 1.2 mm, solution treated
	70.0 - 77.0 MPa @# of Cycles 5.00e+7	Unnotched Rotating Bend, solution and precipitation treated
	75.0 - 85.0 MPa @# of Cycles 5.00e+7	Unnotched Rotating Bend, as cast
	77.0 - 92.0 MPa @# of Cycles 5.00e+7	Unnotched Rotating Bend, solution treated

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000141 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	27.0 µm/m-°C @Temperature 20.0 - 200 °C
Specific Heat Capacity	1.00 J/g-°C
Thermal Conductivity	84.0 W/m-K

Component Elements Properties	Original Value	Comments
Aluminum, Al	9.5 %
Magnesium, Mg	89.7 %	As Balance
Manganese, Mn	0.30 %
Zinc, Zn	0.50 %

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NMAGEL940 / 186955

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