Aluminum 7055-T7751 Plate

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Aluminum 7055-T7751 Plate
Categories:	Metal; Nonferrous Metal; Aluminum Alloy; 7000 Series Aluminum Alloy
Material Notes:	This alloy was specifically developed for use in compression-dominated structures and provides advantages over alloy 7150 in compressive and tensile strengths while maintaining other important properties such as fracture toughness and corrosion resistance. Composition Notes: Composition information provided by the Aluminum Association and is not for design. Information provided by Alcoa and the reference(s).
Key Words:	UNS A97055; Aluminium 7055-T7751; AA7055; Al7055-T7751
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Physical Properties	Metric	English	Comments

Density	2.86 g/cc	0.103 lb/in³

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	634 MPa @Thickness 25.4 mm	92000 psi @Thickness 1.00 in	Longitudinal Direction
	641 MPa @Thickness 25.4 mm	93000 psi @Thickness 1.00 in	LT Direction
Tensile Strength, Yield	614 MPa @Thickness 25.4 mm	89000 psi @Thickness 1.00 in	Longitudinal Direction
	614 MPa @Thickness 25.4 mm	89000 psi @Thickness 1.00 in	LT Direction
Elongation at Break	10 % @Thickness 25.4 mm	10 % @Thickness 1.00 in	LT Direction
	11 % @Thickness 25.4 mm	11 % @Thickness 1.00 in	Longitudinal Direction
Compressive Yield Strength	621 MPa @Thickness 25.4 mm	90000 psi @Thickness 1.00 in	Longitudinal Direction
	648 MPa @Thickness 25.4 mm	94000 psi @Thickness 1.00 in	LT Direction
Fracture Toughness	26.4 MPa-m½ @Thickness 25.4 mm	24.0 ksi-in½ @Thickness 1.00 in	K_IC, T-L
	28.6 MPa-m½ @Thickness 25.4 mm	26.0 ksi-in½ @Thickness 1.00 in	K_IC, L-T

Component Elements Properties	Metric	English	Comments
Aluminum, Al	85.9 - 88.5 %	85.9 - 88.5 %	As remainder
Chromium, Cr	<= 0.04 %	<= 0.04 %
Copper, Cu	2.0 - 2.6 %	2.0 - 2.6 %
Iron, Fe	<= 0.15 %	<= 0.15 %
Magnesium, Mg	1.8 - 2.3 %	1.8 - 2.3 %
Manganese, Mn	<= 0.05 %	<= 0.05 %
Other, each	<= 0.05 %	<= 0.05 %
Other, total	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.10 %	<= 0.10 %
Titanium, Ti	<= 0.06 %	<= 0.06 %
Zinc, Zn	7.6 - 8.4 %	7.6 - 8.4 %
Zirconium, Zr	0.08 - 0.25 %	0.08 - 0.25 %

References for this datasheet.

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MA7055 / 9581

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