7020-T6 Aluminum

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7020-T6 Aluminum
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 7000 Series Aluminum Alloy
Material Notes:	Similar in composition and properties to aluminum 7005. Composition Notes: Composition information provided by the Aluminum Association and is not for design.
Key Words:	Aluminium 7020; AA7020; AFNOR AZ5G; UNS A97020; Al7020-T6
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Physical Properties	Metric	English	Comments

Density	2.78 g/cc	0.100 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	>= 350 MPa @Thickness <=100 mm	>= 50800 psi @Thickness <=3.94 in
Tensile Strength, Yield	>= 280 MPa @Thickness <=100 mm	>= 40600 psi @Thickness <=3.94 in	0.2% offset
Elongation at Break	>= 10 % @Thickness <=100 mm	>= 10 % @Thickness <=3.94 in

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000493 ohm-cm	0.00000493 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	23.1 µm/m-°C @Temperature 20.0 - 100 °C	12.8 µin/in-°F @Temperature 68.0 - 212 °F
	24.0 µm/m-°C @Temperature 20.0 - 200 °C	13.3 µin/in-°F @Temperature 68.0 - 392 °F
	25.0 µm/m-°C @Temperature 20.0 - 300 °C	13.9 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.875 J/g-°C @Temperature 0.000 - 100 °C	0.209 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	137 W/m-K	951 BTU-in/hr-ft²-°F

Processing Properties	Metric	English	Comments
Solution Temperature	470 °C	878 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	91.2 - 94.7 %	91.2 - 94.7 %	As remainder
Chromium, Cr	0.10 - 0.35 %	0.10 - 0.35 %
Copper, Cu	<= 0.20 %	<= 0.20 %
Iron, Fe	<= 0.40 %	<= 0.40 %
Magnesium, Mg	1.0 - 1.4 %	1.0 - 1.4 %
Manganese, Mn	0.05 - 0.50 %	0.05 - 0.50 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.35 %	<= 0.35 %
Zinc, Zn	4.0 - 5.0 %	4.0 - 5.0 %
Zirconium, Zr	0.08 - 0.20 %	0.08 - 0.20 %
Zr+Ti	0.08 - 0.25 %	0.08 - 0.25 %

References for this datasheet.

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MA7020n / 9547

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