Alcoa UltrAlloy® 6020-T8 Aluminum

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Alcoa UltrAlloy® 6020-T8 Aluminum
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 6000 Series Aluminum Alloy
Material Notes:	Weldability = B; Stress Corrosion Cracking Resistance = A; General Corrosion Resistance = B (A = best; E = worst). General 6020 characteristics and uses: Excellent machinability, high corrosion resistance, good joining characteristics, and excellent response to anodizing. The T8 temper offers excellent residual stress control for applications requiring tight dimensional control after machining. Uses: Automotive transmission valves, brake pistons, air conditioning compressor pistons, CATV connectors, hinge pins, camera parts, tripod fittings. Data supplied by the manufacturer, Alcoa.
Key Words:	Aluminum 6020-T8; 6020-T8 Aluminium; Alcoa, Aluminum Company of America; UNS A96020
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Physical Properties	Original Value	Comments

Density	2.71 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Brinell	100	500 kg load/10 mm ball
Hardness, Knoop	126	Estimated from Brinell
Hardness, Rockwell A	41	Estimated from Brinell
Hardness, Rockwell B	63	Estimated from Brinell
Hardness, Vickers	112	Estimated from Brinell
Tensile Strength, Ultimate	>= 303 MPa
Tensile Strength, Yield	>= 283 MPa
Elongation at Break	10 %
Machinability	90 %	0-100 Scale (A=90; B=70; C=50; D=30; E=10)
Shear Strength	183 MPa	Calculated

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.00000370 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	23.8 µm/m-°C @Temperature 20.0 - 100 °C	average

Component Elements Properties	Original Value	Comments
Aluminum, Al	96 %
Chromium, Cr	<= 0.15 %
Copper, Cu	0.30 - 0.90 %
Iron, Fe	<= 0.50 %
Magnesium, Mg	0.60 - 1.2 %
Manganese, Mn	<= 0.35 %
Silicon, Si	0.40 - 0.90 %
Tin, Sn	0.90 - 1.5 %
Titanium, Ti	<= 0.15 %

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NALCOA31 / 14753

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