Magnesium AS41B-F, Die Cast

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Magnesium AS41B-F, Die Cast
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	Used in as-cast condition (F) for automotive structural die casting parts in operating temps of up to 350°F. Creep resistance is superior to AZ91A, AZ91B, AZ91D, AM60A. Tensile strength, tensile yield strength, and elongation are good. Excellent saltwater corrosion resistance.
Key Words:	UNS M10412; Mg; ASTM B 94; European EN 1753 MC 21320 (Ingot UNS M10413)
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Physical Properties	Original Value	Comments

Density	1.776 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	60	500 kg load, 10 mm ball
Tensile Strength, Ultimate	31000 psi
Tensile Strength, Yield	20000 psi
Elongation at Break	6.0 - 15 %	in 50 mm
Modulus of Elasticity	45.0 GPa
Compressive Yield Strength	20000 psi
Poissons Ratio	0.35	Estimated from similar Mg alloys.
Shear Modulus	17.0 GPa	Estimated from similar Mg alloys.
Charpy Impact	2.00 J	V-Notch

Thermal Properties	Original Value	Comments
Heat of Fusion	413 J/g
CTE, linear	26.1 µm/m-°C @Temperature 20.0 - 100 °C
	27.0 µm/m-°C @Temperature 20.0 - 200 °C	Estimated from similar Mg alloys
Specific Heat Capacity	1.01 J/g-°C
Thermal Conductivity	68.0 W/m-K
Melting Point	570 - 615 °C
Solidus	570 °C
Liquidus	620 °C

Processing Properties	Original Value	Comments
Casting Temperature	655 - 685 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	3.5 - 5.0 %
Copper, Cu	<= 0.020 %
Iron, Fe	<= 0.0035 %
Magnesium, Mg	94.6 %	As Remainder
Manganese, Mn	>= 0.35 %
Nickel, Ni	<= 0.0020 %
Other, each	<= 0.20 %
Silicon, Si	0.50 - 1.5 %
Zinc, Zn	<= 0.12 %

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MMAS41BF / 12309

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