Metal Alloys
Alloy Home
Aluminum Alloys
General Information
Properties
Temper
Al Alloy Types
Cast Alloys
Wrought Alloys
Al Alloy List
Wrought:
   AA 1xxx
   AA 2xxx
   AA 3xxx
   AA 4xxx
   AA 5xxx
   AA 6xxx
   AA 7xxx
Cast:
   2xx.0 or x2xx.0
   3xx.0 or x3xx.0
   4xx.0 or x4xx.0
   5xx.0 or x5xx.0
   7xx.0
   8xx.0
Specific Al Alloy
General Information
Resources
Bibliography
NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Hydraulics & Pneumatics

For design and manufacturing engineers involved in buying or specifying fluid power components and systems.

Wind Systems

Towers, turbines, gearboxes; processes for shaping and finishing component parts.

Laser Focus World

Semiconductors, medical equipment, lasers, optics and aviation and aerospace.

more free magazines
 
AA 7178
Category Aluminum Alloy
Class Wrought

Composition
ElementWeight %
Al  88.1 
Cu  2.0 
Mg  2.7 
Cr  0.26 
Zn  6.8 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 2.82 25  
Poisson's Ratio 0.33 25  
Elastic Modulus (GPa) 70-80 25  

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 23.4  20-100  
Glossary