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	Original Value	Comments

Specific Gravity	1.81 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	75
Tensile Strength at Break	>= 117 MPa	Min Design Specification per ASTM B80 AZ91E; T6 condition
	260 MPa	Typical, T4
	270 MPa	Typical, T6
Tensile Strength, Yield	>= 83.0 MPa @Strain 0.2 %	Min Design Specification per ASTM B80 AZ91E; T6 condition
	125 MPa @Strain 0.2 %	Typical, T4
	170 MPa @Strain 0.2 %	Typical, T6
Elongation at Break	>= 2.0 %	Min Design Specification per ASTM B80 AZ91E; T6 condition
	4.5 %	Typical, T6
	9.0 %	Typical, T4
Modulus of Elasticity	44.0 GPa
Compressive Yield Strength	130 MPa @Strain 0.2 %
Compressive Strength	400 MPa
Poissons Ratio	0.35
Fatigue Strength	70.0 MPa @# of Cycles 5.00e+7	Rotating Bend
Fracture Toughness	13.2 MPa-m½	K_IC
Shear Strength	140 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000141 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	27.0 µm/m-°C
Specific Heat Capacity	1.00 J/g-°C
Thermal Conductivity	84.0 W/m-K
Melting Point	470 - 595 °C
Solidus	470 °C
Liquidus	595 °C
Shrinkage	1.3 %	Pattern Makers Shrinkage Factor

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

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

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NMAGEL901 / 186916

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