Magnesium Elektron Elektron® MSR-B Magnesium Casting Alloy, UNS M18220

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Magnesium Elektron Elektron® MSR-B Magnesium Casting Alloy, UNS M18220
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	ELEKTRON MSR-B is a high strength magnesium casting alloy developed by Magnesium Elektron to have good ambient and elevated temperature properties whilst retaining good foundry characteristics. It is a fully heat treatable magnesium alloy containing silver and rare earth metals. It is pressure tight, weldable and may be used up to temperatures of 200°C. Applications: The alloys will be of interest to designers requiring good retention of properties at elevated temperatures for aerospace, automotive and military applications. Information provided by Magnesium Elektron.
Key Words:	AECMA MG-C-51; AFNOR G-Ag2.5TR; MOD DTD 5035A; UNS M18220; ISO 16220 MC65210
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	1.82 g/cc
Bulk Density	0.0658 lb/in³	Value supplied by MatWeb

Mechanical Properties	Original Value	Comments
Hardness, Vickers	80 - 105
Tensile Strength at Break	>= 240 MPa	Min Design Specification
	160 MPa @Temperature 250 °C
	185 MPa @Temperature 200 °C
	208 MPa @Temperature 150 °C
	230 MPa @Temperature 100 °C
	266 MPa @Temperature 22.0 °C
Tensile Strength, Yield	>= 185 MPa @Strain 0.2 %	Min Design Specification
	122 MPa @Strain 0.2 %, Temperature 250 °C
	165 MPa @Strain 0.2 %, Temperature 200 °C
	182 MPa @Strain 0.2 %, Temperature 150 °C
	195 MPa @Strain 0.2 %, Temperature 100 °C
	205 MPa @Strain 0.2 %, Temperature 22.0 °C
Elongation at Break	>= 2.0 %	Min Design Specification
	4.0 % @Temperature 22.0 °C	in 5.65 A^½
	15 % @Temperature 100 °C
	19 % @Temperature 150 °C
	24 % @Temperature 200 °C
	30 % @Temperature 250 °C
Creep Strength	10.0 MPa @Temperature 250 °C, Time 3.60e+6 sec	0.1% creep
	14.0 MPa @Temperature 250 °C, Time 1.80e+6 sec	0.1% creep
	16.0 MPa @Temperature 250 °C, Time 3.60e+6 sec	0.2% creep
	21.0 MPa @Temperature 250 °C, Time 3.60e+6 sec	0.3% creep
	22.0 MPa @Temperature 250 °C, Time 1.80e+6 sec	0.2% creep
	26.0 MPa @Temperature 250 °C, Time 360000 sec	0.1% creep
	27.0 MPa @Temperature 250 °C, Time 1.80e+6 sec	0.3% creep
	34.0 MPa @Temperature 250 °C, Time 360000 sec	0.2% creep
	41.0 MPa @Temperature 250 °C, Time 360000 sec	0.3% creep
	43.0 MPa @Temperature 250 °C, Time 36000 sec	0.1% creep
	46.0 MPa @Temperature 200 °C, Time 3.60e+6 sec	0.1% creep
	54.0 MPa @Temperature 200 °C, Time 1.80e+6 sec	0.1% creep
	56.0 MPa @Temperature 200 °C, Time 3.60e+6 sec	0.2% creep
	65.0 MPa @Temperature 200 °C, Time 1.80e+6 sec	0.2% creep
	72.0 MPa @Temperature 200 °C, Time 3.60e+6 sec	0.3% creep
	74.0 MPa @Temperature 200 °C, Time 360000 sec	0.1% creep
	83.0 MPa @Temperature 200 °C, Time 1.80e+6 sec	0.3% creep
	86.0 MPa @Temperature 200 °C, Time 360000 sec	0.2% creep
	102 MPa @Temperature 200 °C, Time 36000 sec	0.1% creep
	103 MPa @Temperature 200 °C, Time 360000 sec	0.3% creep
	123 MPa @Temperature 150 °C, Time 3.60e+6 sec	0.2% creep
	135 MPa @Temperature 150 °C, Time 1.80e+6 sec	0.2% creep
	151 MPa @Temperature 150 °C, Time 3.60e+6 sec	0.3% creep
	160 MPa @Temperature 150 °C, Time 1.80e+6 sec	0.3% creep
Modulus of Elasticity	44.1 GPa
Compressive Yield Strength	165 - 200 MPa @Strain 0.2 %
Compressive Strength	310 - 385 MPa
Poissons Ratio	0.30
Fatigue Strength	100 - 110 MPa @# of Cycles 5.00e+7	Rotating Bend, Unnotched
Fracture Toughness	14.9 MPa-m½	K_IC
Shear Strength	152 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000680 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	26.7 µm/m-°C
Specific Heat Capacity	1.00 J/g-°C
Thermal Conductivity	113 W/m-K
Melting Point	550 - 640 °C
Solidus	550 °C
Liquidus	640 °C
Shrinkage	1.3 %	Pattern Makers Shrinkage Factor

Component Elements Properties	Original Value	Comments
Magnesium, Mg	93 - 95.6 %	As Balance
Rare Earths	2.0 - 3.0 %
Silver, Ag	2.0 - 3.0 %
Zirconium, Zr	0.40 - 1.0 %

Descriptive Properties
Corrosion rate	430 mpy	ASTM B117 Salt spray test
Damping Index	0.4

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 go back to viewing the property data in MatWeb's normal format.

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NMAGEL903 / 186918

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