Aluminum 2618-T6

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Aluminum 2618-T6
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 2000 Series Aluminum Alloy
Material Notes:	Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN. Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	UNS A92618; Aluminium 2618-T6; AA2618-T6; Al2618-T6
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Physical Properties	Original Value	Comments

Density	2.76 g/cc	AA; Typical

Mechanical Properties	Original Value	Comments
Creep Strength	14.0 MPa @Temperature 315 °C, Time 3.60e+6 sec	0.5% creep
	15.0 MPa @Temperature 315 °C, Time 360000 sec	0.1% creep
	17.0 MPa @Temperature 315 °C, Time 3.60e+6 sec	1% creep
	19.0 MPa @Temperature 315 °C, Time 360000 sec	0.2% creep
	26.0 MPa @Temperature 315 °C, Time 360000 sec	0.5% creep
	26.0 MPa @Temperature 315 °C, Time 36000 sec	0.1% creep
	28.0 MPa @Temperature 315 °C, Time 360000 sec	1% creep
	38.0 MPa @Temperature 315 °C, Time 36000 sec	0.2% creep
	41.0 MPa @Temperature 315 °C, Time 36000 sec	0.5% creep
	41.0 MPa @Temperature 315 °C, Time 3600 sec	0.1% creep
	45.0 MPa @Temperature 315 °C, Time 36000 sec	1% creep
	45.0 MPa @Temperature 315 °C, Time 3600 sec	0.2% creep
	48.0 MPa @Temperature 260 °C, Time 3.60e+6 sec	0.2% creep
	48.0 MPa @Temperature 315 °C, Time 360 sec	0.1% creep
	52.0 MPa @Temperature 260 °C, Time 360000 sec	0.1% creep
	55.0 MPa @Temperature 260 °C, Time 3.60e+6 sec	0.5% creep
	55.0 MPa @Temperature 315 °C, Time 3600 sec	0.5% creep
	55.0 MPa @Temperature 315 °C, Time 360 sec	0.2% creep
	62.0 MPa @Temperature 260 °C, Time 3.60e+6 sec	1% creep
	62.0 MPa @Temperature 315 °C, Time 3600 sec	1% creep
	69.0 MPa @Temperature 315 °C, Time 360 sec	0.5% creep
	69.0 MPa @Temperature 260 °C, Time 360000 sec	0.2% creep
	83.0 MPa @Temperature 315 °C, Time 360 sec	1% creep
	83.0 MPa @Temperature 260 °C, Time 36000 sec	0.1% creep
	90.0 MPa @Temperature 260 °C, Time 360000 sec	0.5% creep
	90.0 MPa @Temperature 205 °C, Time 3.60e+6 sec	0.1% creep
	97.0 MPa @Temperature 260 °C, Time 360000 sec	1% creep
	110 MPa @Temperature 260 °C, Time 36000 sec	0.2% creep
	115 MPa @Temperature 260 °C, Time 3600 sec	0.1% creep
	125 MPa @Temperature 260 °C, Time 36000 sec	0.5% creep
	130 MPa @Temperature 260 °C, Time 36000 sec	1% creep
	130 MPa @Temperature 205 °C, Time 3.60e+6 sec	0.2% creep
	140 MPa @Temperature 260 °C, Time 3600 sec	0.2% creep
	140 MPa @Temperature 205 °C, Time 360000 sec	0.1% creep
	145 MPa @Temperature 205 °C, Time 3.60e+6 sec	0.5% creep
	145 MPa @Temperature 260 °C, Time 3600 sec	0.5% creep
	145 MPa @Temperature 260 °C, Time 360 sec	0.1% creep
	150 MPa @Temperature 205 °C, Time 3.60e+6 sec	1% creep
	150 MPa @Temperature 260 °C, Time 3600 sec	1% creep
	150 MPa @Temperature 177 °C, Time 3.60e+6 sec	0.1% creep
	160 MPa @Temperature 260 °C, Time 360 sec	0.2% creep
	165 MPa @Temperature 260 °C, Time 360 sec	0.5% creep
	165 MPa @Temperature 205 °C, Time 360000 sec	0.2% creep
	170 MPa @Temperature 260 °C, Time 360 sec	1% creep
	170 MPa @Temperature 205 °C, Time 36000 sec	0.1% creep
	180 MPa @Temperature 205 °C, Time 360000 sec	0.5% creep
	185 MPa @Temperature 205 °C, Time 360000 sec	1% creep
	185 MPa @Temperature 177 °C, Time 3.60e+6 sec	0.2% creep
	185 MPa @Temperature 177 °C, Time 360000 sec	0.1% creep
	195 MPa @Temperature 177 °C, Time 3.60e+6 sec	0.5% creep
	200 MPa @Temperature 177 °C, Time 3.60e+6 sec	1% creep
	200 MPa @Temperature 205 °C, Time 36000 sec	0.2% creep
	205 MPa @Temperature 150 °C, Time 3.60e+6 sec	0.1% creep
	205 MPa @Temperature 205 °C, Time 3600 sec	0.1% creep
	215 MPa @Temperature 205 °C, Time 36000 sec	0.5% creep
	220 MPa @Temperature 205 °C, Time 36000 sec	1% creep
	220 MPa @Temperature 177 °C, Time 360000 sec	0.2% creep
	220 MPa @Temperature 177 °C, Time 36000 sec	0.1% creep
	235 MPa @Temperature 177 °C, Time 360000 sec	0.5% creep
	235 MPa @Temperature 205 °C, Time 3600 sec	0.2% creep
	240 MPa @Temperature 177 °C, Time 360000 sec	1% creep
	240 MPa @Temperature 150 °C, Time 3.60e+6 sec	0.2% creep
	240 MPa @Temperature 150 °C, Time 360000 sec	0.1% creep
	240 MPa @Temperature 205 °C, Time 360 sec	0.1% creep
	250 MPa @Temperature 150 °C, Time 3.60e+6 sec	0.5% creep
	250 MPa @Temperature 205 °C, Time 3600 sec	0.5% creep
	250 MPa @Temperature 177 °C, Time 36000 sec	0.2% creep
	255 MPa @Temperature 150 °C, Time 3.60e+6 sec	1% creep
	255 MPa @Temperature 205 °C, Time 3600 sec	1% creep
	255 MPa @Temperature 205 °C, Time 360 sec	0.2% creep
	255 MPa @Temperature 177 °C, Time 3600 sec	0.1% creep
	260 MPa @Temperature 177 °C, Time 36000 sec	0.5% creep
	270 MPa @Temperature 205 °C, Time 360 sec	0.5% creep
	270 MPa @Temperature 150 °C, Time 360000 sec	0.2% creep
	270 MPa @Temperature 150 °C, Time 36000 sec	0.1% creep
	275 MPa @Temperature 177 °C, Time 36000 sec	1% creep
	275 MPa @Temperature 177 °C, Time 3600 sec	0.2% creep
	285 MPa @Temperature 205 °C, Time 360 sec	1% creep
	285 MPa @Temperature 177 °C, Time 360 sec	0.1% creep
	290 MPa @Temperature 150 °C, Time 360000 sec	0.5% creep
	290 MPa @Temperature 150 °C, Time 3600 sec	0.1% creep
	295 MPa @Temperature 177 °C, Time 3600 sec	0.5% creep
	295 MPa @Temperature 150 °C, Time 36000 sec	0.2% creep
	295 MPa @Temperature 177 °C, Time 360 sec	0.2% creep
	305 MPa @Temperature 150 °C, Time 360000 sec	1% creep
	305 MPa @Temperature 177 °C, Time 3600 sec	1% creep
	315 MPa @Temperature 150 °C, Time 36000 sec	0.5% creep
	315 MPa @Temperature 177 °C, Time 360 sec	0.5% creep
	315 MPa @Temperature 150 °C, Time 3600 sec	0.2% creep
	315 MPa @Temperature 150 °C, Time 360 sec	0.1% creep
	325 MPa @Temperature 150 °C, Time 36000 sec	1% creep
	325 MPa @Temperature 177 °C, Time 360 sec	1% creep
	330 MPa @Temperature 150 °C, Time 3600 sec	0.5% creep
	330 MPa @Temperature 150 °C, Time 360 sec	0.2% creep
	340 MPa @Temperature 150 °C, Time 3600 sec	1% creep
	345 MPa @Temperature 150 °C, Time 360 sec	1% creep
	345 MPa @Temperature 150 °C, Time 360 sec	0.5% creep
Rupture Strength	20.0 MPa @Temperature 315 °C, Time 3.60e+6 sec
	32.0 MPa @Temperature 315 °C, Time 360000 sec
	52.0 MPa @Temperature 315 °C, Time 36000 sec
	62.0 MPa @Temperature 260 °C, Time 3.60e+6 sec
	69.0 MPa @Temperature 315 °C, Time 3600 sec
	97.0 MPa @Temperature 315 °C, Time 360 sec
	105 MPa @Temperature 260 °C, Time 360000 sec
	140 MPa @Temperature 260 °C, Time 36000 sec
	160 MPa @Temperature 205 °C, Time 3.60e+6 sec
	165 MPa @Temperature 260 °C, Time 3600 sec
	185 MPa @Temperature 260 °C, Time 360 sec
	195 MPa @Temperature 205 °C, Time 360000 sec
	205 MPa @Temperature 177 °C, Time 3.60e+6 sec
	230 MPa @Temperature 205 °C, Time 36000 sec
	250 MPa @Temperature 177 °C, Time 360000 sec
	255 MPa @Temperature 150 °C, Time 3.60e+6 sec
	260 MPa @Temperature 205 °C, Time 3600 sec
	285 MPa @Temperature 177 °C, Time 36000 sec
	290 MPa @Temperature 205 °C, Time 360 sec
	305 MPa @Temperature 150 °C, Time 360000 sec
	310 MPa @Temperature 177 °C, Time 3600 sec
	340 MPa @Temperature 150 °C, Time 36000 sec
	340 MPa @Temperature 177 °C, Time 360 sec
	360 MPa @Temperature 150 °C, Time 3600 sec
	380 MPa @Temperature 150 °C, Time 360 sec

Electrical Properties	Original Value	Comments
Electrical Resistivity	28.0 ohm-cir-mil/ft @Temperature 20.0 °C	AA; Typical

Thermal Properties	Original Value	Comments
CTE, linear	12.4 µin/in-°F @Temperature 20.0 - 100 °C	AA; Typical; average over range
	20.6 µm/m-°C @Temperature -50.0 - 20.0 °C
	23.2 µm/m-°C @Temperature 20.0 - 200 °C
	24.1 µm/m-°C @Temperature 20.0 - 300 °C
Thermal Conductivity	1020 BTU-in/hr-ft²-°F	AA; Typical at 77°F
Melting Point	1020 - 1180 °F	AA; Typical range based on typical composition for wrought products >= 1/4 in. thickness
Solidus	1020 °F	AA; Typical
Liquidus	1180 °F	AA; Typical

Processing Properties	Original Value	Comments
Solution Temperature	985 °F

Component Elements Properties	Original Value	Comments
Aluminum, Al	92.4 - 94.9 %	As remainder
Copper, Cu	1.9 - 2.7 %
Iron, Fe	0.90 - 1.3 %
Magnesium, Mg	1.3 - 1.8 %
Nickel, Ni	0.90 - 1.2 %
Other, each	<= 0.05 %
Other, total	<= 0.15 %
Silicon, Si	0.10 - 0.25 %
Titanium, Ti	0.04 - 0.10 %
Zinc, Zn	<= 0.10 %

References for this datasheet.

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MA2618T6 / 8970

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