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	Metric	English	Comments

Specific Gravity	1.83 g/cc	1.83 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	60 - 75	60 - 75	as sand cast
	60 - 75	60 - 75	sand cast + solution treated
	85 - 100	85 - 100	sand cast + solution and precipitation treated
Tensile Strength at Break	125 MPa	18100 psi	Sand cast
	170 MPa	24700 psi	Chill cast
	200 MPa	29000 psi	Sand cast, + solution treated
	200 MPa	29000 psi	Sand cast, solution treated and precipitation treated
	215 MPa	31200 psi	Chill cast, + solution treated
	215 MPa	31200 psi	Chill cast, solution and precipitation treated
Tensile Strength, Yield	80.0 MPa @Strain 0.2 %	11600 psi @Strain 0.2 %	solution treated
	95.0 MPa @Strain 0.2 %	13800 psi @Strain 0.2 %	Sand cast
	100 MPa @Strain 0.2 %	14500 psi @Strain 0.2 %	Chill cast
	120 MPa @Strain 0.2 %	17400 psi @Strain 0.2 %	solution and precipitation treated
Elongation at Break	2.0 %	2.0 %
	2.0 %	2.0 %	Chill cast
	4.0 %	4.0 %	Chill cast, + solution treated
	4.0 %	4.0 %	Sand cast, + solution treated
	5.0 %	5.0 %	Chill cast, solution and precipitation treated
Compressive Yield Strength	75.0 - 110 MPa @Strain 0.2 %	10900 - 16000 psi @Strain 0.2 %	solution and precipitation treated
	85.0 - 110 MPa @Strain 0.2 %	12300 - 16000 psi @Strain 0.2 %	as cast
	110 - 140 MPa @Strain 0.2 %	16000 - 20300 psi @Strain 0.2 %	solution and precipitation treated
Compressive Strength	185 - 432 MPa	26800 - 62700 psi	Solution treated
	280 - 340 MPa	40600 - 49300 psi	as cast
	385 - 465 MPa	55800 - 67400 psi	solution and precipitation treated
Fatigue Strength	58.0 - 62.0 MPa @# of Cycles 5.00e+7	8410 - 8990 psi @# 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	8410 - 9430 psi @# 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	9430 - 11200 psi @# 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	10200 - 11200 psi @# of Cycles 5.00e+7	Unnotched Rotating Bend, solution and precipitation treated
	75.0 - 85.0 MPa @# of Cycles 5.00e+7	10900 - 12300 psi @# of Cycles 5.00e+7	Unnotched Rotating Bend, as cast
	77.0 - 92.0 MPa @# of Cycles 5.00e+7	11200 - 13300 psi @# of Cycles 5.00e+7	Unnotched Rotating Bend, solution treated

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000141 ohm-cm	0.0000141 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	27.0 µm/m-°C @Temperature 20.0 - 200 °C	15.0 µin/in-°F @Temperature 68.0 - 392 °F
Specific Heat Capacity	1.00 J/g-°C	0.239 BTU/lb-°F
Thermal Conductivity	84.0 W/m-K	583 BTU-in/hr-ft²-°F

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

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NMAGEL940 / 186955

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