Aluminum 7475 Product Guide

Applications | Mechanical and Chemical Data | Tolerances

Overview

7475 aluminum is an aircraft grade derived from 7075 aluminum. 7475 provides high strength, fracture toughness, and resists fatigue crack propagation. It's a heat-treatable alloy that is commonly used in commercial, fighter, and transport airplanes.

Common Trade Names

UNS A97475, ISO AlZn5.5MgCu(A), AA7475-T7351, Al7475-T7351

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Purchase Sheet/Plate 7475

Applications

Fuselage Skins
Bulkheads
Wing Parts

Related Videos

	-T7351
Physical Properties 7475
Density	0.102 lb/in3
Ultimate Tensile Strength	76 ksi
Yield Tensile Strength	64 ksi
Fatigue Strength	28 ksi
Shear Strength	46 ksi
Shear Modulus	3,800 ksi
Hardness Rockwell \| Brinell	B82 \| 135
Elongation at Break Percentage	12%
Modulus of Elasticity	10,000 ksi
Poisson's Ratio	0.33
Melting Point/td>	890-1,180 °F
Specific Heat	2.1 x 10^-1 BTU/lb-°F
Thermal Conductivity	1128 BTU-in/hr-ft^2-°F
Electrical Conductivity	42% IACS

Chemistry Information
Element	Percentage
Si	0.1
Fe	0.12
Cu	1.2 - 1.9
Mn	0.06
Mg	1.9 - 2.6
Cr	0.18 - 0.25
Zn	5.2 - 6.2
Ti	0.06
Al	-