Magnesium Elektron Elektron® AZ91E Magnesium Casting Alloy

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Magnesium Elektron Elektron® AZ91E Magnesium Casting Alloy
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	ELEKTRON AZ91E is a general purpose gravity sand casting alloy containing aluminum, zinc and manganese. Good properties may be achieved particularly with the use of chills in the mold. Corrosion resistance is excellent. Applications: The alloy may be used in aerospace casting applications particularly where there is no high temperature requirement or a requirement for pressure tightness. Information provided by Magnesium Elektron.
Key Words:	ASTM B80 AZ91E; BS2970 MAG7/3; DIN MgAl /19 Zn1; AFNOR G-A9Z1; BS2L125; ISO 16220 MC21120
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	1.81 g/cc	1.81 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	75	75
Tensile Strength at Break	>= 117 MPa	>= 17000 psi	Min Design Specification per ASTM B80 AZ91E; T6 condition
	260 MPa	37700 psi	Typical, T4
	270 MPa	39200 psi	Typical, T6
Tensile Strength, Yield	>= 83.0 MPa @Strain 0.2 %	>= 12000 psi @Strain 0.2 %	Min Design Specification per ASTM B80 AZ91E; T6 condition
	125 MPa @Strain 0.2 %	18100 psi @Strain 0.2 %	Typical, T4
	170 MPa @Strain 0.2 %	24700 psi @Strain 0.2 %	Typical, T6
Elongation at Break	>= 2.0 %	>= 2.0 %	Min Design Specification per ASTM B80 AZ91E; T6 condition
	4.5 %	4.5 %	Typical, T6
	9.0 %	9.0 %	Typical, T4
Modulus of Elasticity	44.0 GPa	6380 ksi
Compressive Yield Strength	130 MPa @Strain 0.2 %	18900 psi @Strain 0.2 %
Compressive Strength	400 MPa	58000 psi
Poissons Ratio	0.35	0.35
Fatigue Strength	70.0 MPa @# of Cycles 5.00e+7	10200 psi @# of Cycles 5.00e+7	Rotating Bend
Fracture Toughness	13.2 MPa-m½	12.0 ksi-in½	K_IC
Shear Strength	140 MPa	20300 psi

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	15.0 µin/in-°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
Melting Point	470 - 595 °C	878 - 1100 °F
Solidus	470 °C	878 °F
Liquidus	595 °C	1100 °F
Shrinkage	1.3 %	1.3 %	Pattern Makers Shrinkage Factor

Component Elements Properties	Metric	English	Comments
Aluminum, Al	8.1 - 9.3 %	8.1 - 9.3 %
Magnesium, Mg	89.35 - 91.33 %	89.35 - 91.33 %	As Balance
Manganese, Mn	0.17 - 0.35 %	0.17 - 0.35 %
Zinc, Zn	0.40 - 1.0 %	0.40 - 1.0 %

Descriptive Properties
Corrosion rate	<50 mpy		ASTM B117 Salt spray test
Damping Index	0.2

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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NMAGEL901 / 186916

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