Magnesium Elektron Elektron® ZK60A Magnesium Alloy, UNS M16600

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Magnesium Elektron Elektron® ZK60A Magnesium Alloy, UNS M16600
Categories:	Metal; Nonferrous Metal; Magnesium Alloy
Material Notes:	ZK60A is a wrought magnesium base alloy containing zinc and zirconium. Increased strength is obtained by artificial aging from the as-fabricated form. ZK60A-T5 has the best combination of strength and ductility at room-temperature of the wrought magnesium alloys. Applications: Forgings in ZK60A find application in high strength parts for use primarily where the service temperature is below 150°C. ZK60A forgings can be used where pressure tightness or machinability are required. That parts are dimensionally stable during and after machining is also an important design consideration. Forgings in ZK60A find application in high strength parts for satellites, helicopter gearboxes and rotor hubs, bicycle frames, road wheels, missile frames and interstage fairings, brake housings and landing gear struts. Information provided by Magnesium Elektron.
Key Words:	UNS M16600; AMS4362; ASTM B91; FEDERAL QQ-M-40
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	1.83 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell E	77	ZK60A-T5
	85	ZK60A-T6
Tensile Strength at Break	>= 290 MPa	Min Design Specification per ZK60A-T5, Die Forgings
	>= 295 MPa	Min Design Specification per ZK60A-T6, Die Forgings
	100 MPa @Temperature 200 °C
	205 MPa @Temperature 100 °C
	310 MPa @Temperature 20.0 °C
Tensile Strength, Yield	>= 180 MPa @Strain 0.2 %	Min Design Specification per ZK60A-T5, Die Forgings
	>= 220 MPa @Strain 0.2 %	Min Design Specification per ZK60A-T6, Die Forgings
	75.0 MPa @Strain 0.2 %, Temperature 200 °C
	150 MPa @Strain 0.2 %, Temperature 100 °C
	200 MPa @Strain 0.2 %, Temperature 20.0 °C
Elongation at Break	>= 3.0 %	Min Design Specification per ZK60A-T6, Die Forgings
	>= 6.0 %	Min Design Specification per ZK60A-T5, Die Forgings
	13 % @Temperature 22.0 °C	in 5.65 A^½
	30 % @Temperature 100 °C
	50 % @Temperature 200 °C
Creep Strength	5.00 MPa @Temperature 150 °C, Time 360000 sec	0.2% creep
	7.00 MPa @Temperature 150 °C, Time 36000 sec	0.2% creep
	12.0 MPa @Temperature 150 °C, Time 360000 sec	0.5% creep
	16.0 MPa @Temperature 150 °C, Time 36000 sec	0.5% creep
	20.0 MPa @Temperature 100 °C, Time 360000 sec	0.2% creep
	20.0 MPa @Temperature 150 °C, Time 3600 sec	0.2% creep
	35.0 MPa @Temperature 150 °C, Time 3600 sec	0.5% creep
	37.0 MPa @Temperature 100 °C, Time 36000 sec	0.2% creep
	45.0 MPa @Temperature 100 °C, Time 360000 sec	0.5% creep
	60.0 MPa @Temperature 100 °C, Time 360000 sec	1% creep
	70.0 MPa @Temperature 100 °C, Time 36000 sec	0.5% creep
	90.0 MPa @Temperature 100 °C, Time 36000 sec	1% creep
Modulus of Elasticity	45.0 GPa
Compressive Yield Strength	160 MPa @Strain 0.2 %
Ultimate Bearing Strength	420 MPa
Bearing Yield Strength	285 MPa @Strain 0.2 %
Poissons Ratio	0.35
Fatigue Strength	122 MPa @# of Cycles 1.00e+7	Rotating bend
	128 MPa @# of Cycles 1.00e+6	Rotating bend
	160 MPa @# of Cycles 100000	Rotating bend
Fracture Toughness	34.0 MPa-m½	K_IC
Shear Strength	165 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000570 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	27.1 µm/m-°C
Specific Heat Capacity	1.10 J/g-°C
Thermal Conductivity	121 W/m-K
Melting Point	520 - 635 °C
Solidus	520 °C
Liquidus	635 °C
Maximum Service Temperature, Air	150 °C

Component Elements Properties	Original Value	Comments
Magnesium, Mg	93.8 - 94.75 %	As Balance
Zinc, Zn	4.8 - 6.2 %
Zirconium, Zr	>= 0.45 %

Descriptive Properties
Corrosion rate	50 mpy	ASTM B117 Salt spray test

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