Magnesium Elektron Elektron® 21 Magnesium Casting Alloy

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

Magnesium Elektron - Service & Innovation in Magnesium

Magnesium Elektron Elektron® 21 Magnesium Casting Alloy
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	Fully heat treatable alloy for use up to 400°F. Excellent corrosion resistance and castability. Cast products possess a fine-grained microstructure and pressure tightness. Easily machined. Usual Mg surface treatments may be applied. Uses include motorsports and aerospace.
Key Words:	UNS M12310; AMS 4429
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.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	1.82 g/cc	0.0658 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	65 - 75	65 - 75
Tensile Strength	>= 248 MPa	>= 36000 psi	Minimum design value
	179 MPa @Temperature 260 °C	26000 psi @Temperature 500 °F	Typical
	241 MPa @Temperature 191 °C	35000 psi @Temperature 375 °F	Typical
	262 MPa @Temperature 121 °C	38000 psi @Temperature 250 °F	Typical
	270 MPa @Temperature -35.0 °C	39200 psi @Temperature -31.0 °F	Typical
	280 MPa @Temperature 22.2 °C	40600 psi @Temperature 72.0 °F
Tensile Strength, Yield	145 MPa @Strain 0.2 %, Temperature 260 °C	21000 psi @Strain 0.2 %, Temperature 500 °F	Typical
	>= 145 MPa @Strain 0.2 %, Temperature 22.2 °C	>= 21000 psi @Strain 0.2 %, Temperature 72.0 °F	Minimum design value
	159 MPa @Strain 0.2 %, Temperature 191 °C	23000 psi @Strain 0.2 %, Temperature 375 °F	Typical
	165 MPa @Strain 0.2 %, Temperature 121 °C	24000 psi @Strain 0.2 %, Temperature 250 °F	Typical
	170 MPa @Strain 0.2 %, Temperature 22.2 °C	24700 psi @Strain 0.2 %, Temperature 72.0 °F	Typical
Elongation at Break	>= 2.0 %	>= 2.0 %	Minimum design value
	5.0 %	5.0 %	Typical
	7.0 % @Temperature -35.0 °C	7.0 % @Temperature -31.0 °F	Typical
Creep Strength	82.7 MPa @Temperature 204 °C, Time 1.98e+6 sec	12000 psi @Temperature 400 °F, Time 550 hour	0.1% creep strain
	96.5 MPa @Temperature 204 °C, Time 360000 sec	14000 psi @Temperature 400 °F, Time 100 hour	0.1% creep strain
	117 MPa @Temperature 204 °C, Time 234000 sec	17000 psi @Temperature 400 °F, Time 65.0 hour	0.1% creep strain
Modulus of Elasticity	44.1 GPa	6400 ksi
Compressive Yield Strength	168 MPa @Strain 0.2 %	24400 psi @Strain 0.2 %	Typical
Compressive Strength	367 MPa	53200 psi	Typical
Poissons Ratio	0.27	0.27
Fatigue Strength	115 - 120 MPa @# of Cycles 5.00e+7	16700 - 17400 psi @# of Cycles 5.00e+7	Push-Pull; R = 0.1
Fracture Toughness	14.9 MPa-m½	13.6 ksi-in½	K_IC
Shear Modulus	17.4 GPa	2520 ksi	Calculated
Shear Strength	172 MPa	25000 psi
Charpy Impact	1.7 J @Temperature -35.0 °C	1.3 ft-lb @Temperature -31.0 °F	Notched

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000946 ohm-cm	0.00000946 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	26.6 µm/m-°C	14.8 µin/in-°F
Specific Heat Capacity	1.00 J/g-°C	0.240 BTU/lb-°F
Thermal Conductivity	116 W/m-K	804 BTU-in/hr-ft²-°F
Melting Point	545.0 - 640.0 °C	1013 - 1184 °F
Solidus	545.0 °C	1013 °F
Liquidus	640.0 °C	1184 °F
Maximum Service Temperature, Air	204 °C	400 °F

Processing Properties	Metric	English	Comments
Solution Temperature	520 °C @Time 28800 sec	968 °F @Time 8.00 hour	Follow with hot quench and aging
Aging Temperature	200 °C @Time 57600 sec	392 °F @Time 16.0 hour	Follow with air cool

Component Elements Properties	Metric	English	Comments
Gadolinium, Gd	1.0 - 1.7 %	1.0 - 1.7 %
Magnesium, Mg	94.7 - 96.2 %	94.7 - 96.2 %	as balance; includes saturation of Zr
Neodymium, Nd	2.6 - 3.1 %	2.6 - 3.1 %
Zinc, Zn	0.20 - 0.50 %	0.20 - 0.50 %

Descriptive Properties
Corrosion Resistance	10 - 30 mpy		ASTM B117 salt spray

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.

Users viewing this material also viewed the following:
Overview of materials for Magnesium Alloy
Magnesium Elektron Elektron® AZ31B Magnesium Extrusion Alloy, UNS M11311
Magnesium, Mg; Annealed Sheet
Magnesium, Mg; Hard-Rolled Sheet
CoorsTek TTZ (Dura-Z™) MgO Partially Stabilized Zirconia

NMAGEL898 / 147647

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message