Aluminum 7068-T6; 7068-T6511 Rod & Bar

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Aluminum 7068-T6; 7068-T6511 Rod & Bar
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 7000 Series Aluminum Alloy
Material Notes:	Alloy 7068 is one of the highest strength extruded aluminum alloys. Used in aerospace, ordnance and light weight recreational applications where extremely high strength is required. Some information supplied by Kaiser Aluminum. Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	UNS A97068; Aluminium 7068; AA7068; Al7068
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Physical Properties	Metric	English	Comments

Density	2.85 g/cc	0.103 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	190	190	500 kg, 10 mm
Tensile Strength, Ultimate	710 MPa @Diameter 12.7 mm	103000 psi @Diameter 0.500 in
Tensile Strength, Yield	683 MPa @Diameter 12.7 mm	99100 psi @Diameter 0.500 in
Elongation at Break	9.0 % @Diameter 12.7 mm	9.0 % @Diameter 0.500 in	4D
Fracture Toughness	16.5 MPa-m½	15.0 ksi-in½	T-L
	27.5 MPa-m½	25.0 ksi-in½	L-T
Shear Strength	365 MPa	53000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000550 ohm-cm	0.00000550 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	23.4 µm/m-°C @Temperature 20.0 - 100 °C	13.0 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	1.05 J/g-°C @Temperature 100 °C	0.250 BTU/lb-°F @Temperature 212 °F
Thermal Conductivity	190 W/m-K	1320 BTU-in/hr-ft²-°F
Melting Point	476 - 635 °C	889 - 1180 °F
Solidus	476 °C	889 °F
Liquidus	635 °C	1180 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	85.48 - 88.85 %	85.48 - 88.85 %	As Balance
Chromium, Cr	<= 0.050 %	<= 0.050 %
Copper, Cu	1.6 - 2.4 %	1.6 - 2.4 %
Iron, Fe	<= 0.15 %	<= 0.15 %
Magnesium, Mg	2.2 - 3.0 %	2.2 - 3.0 %
Manganese, Mn	<= 0.10 %	<= 0.10 %
Other, each	<= 0.050 %	<= 0.050 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.12 %	<= 0.12 %
Titanium, Ti	<= 0.10 %	<= 0.10 %
Zinc, Zn	7.3 - 8.3 %	7.3 - 8.3 %
Zirconium, Zr	0.050 - 0.15 %	0.050 - 0.15 %

Descriptive Properties
Volumetric CTE m³/m³-K	0.000068		68°F/20°C

References for this datasheet.

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MA7068T6b / 122002

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