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  • Alloy
7075

Aluminum 7075-O/T6/T651/T73/T7351 Product Guide


Applications | Specifications | Related Videos | Mechanical and Chemical Data | Tolerances


Overview

7075 is the other "aircraft grade" aluminum that is carried by OnlineMetals. Its principal alloying ingredients are zinc and copper, which make it one of the highest-strength aluminum alloys that are available. In fact, its typical strength in the T6 temper is higher than most mild steels. 7075 also has average-to-good ratings for machinability, corrosion resistance, and anodizing response. Like 2024, however, it is not considered to be weldable. It is typically used in aircraft, missiles, spacecraft, and other defense applications.

 

Common Trade Names

UNS A97075, ISO AlZn5.5MgCu, AA7075-T6, Al7075-T6, AA7075-T73, Al7075-T73



Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Hex Bar 7075 | Rectangle Bar 7075 | Round Bar 7075 | Square Bar 7075 | Sheet/Plate 7075 | Sample Pack 7075

Applications

  • Aerospace
  • Spacecraft
  • Missiles
  • Defense Applications

Aluminum 7075 Specifications

 

ASTM

AMS

B211 QQ-A-225/9
  4123F



Related videos



Physical Properties 7075
 
-O
-T6
-T651
-T73
-T7351
Density 0.1 lb/in3 0.1 lb/in3 0.1 lb/in3 0.1 lb/in3 0.1 lb/in3
Ultimate Tensile Strength max. 40 ksi(bare); max. 39 ksi(clad) 83 ksi(bare); 76 ksi (clad) 80 ksi 72.2 ksi 73.2 ksi
Yield Tensile Strength max. 21 ksi 73 ksi(bare); 67 ksi(clad) 67 ksi 63.1 ksi 63.1 ksi
Fatigue Strength 18 ksi 23 ksi 23 ksi 20.8 ksi 21.8 ksi
Shear Strength 22 ksi 48 ksi(bare); 46 ksi(clad) 48 ksi 42.5 ksi 43.5 ksi
Shear Modulus 3,900 ksi 3,800 ksi 3,800 ksi 3,900 ksi 3,900 ksi
Hardness Rockwell | Brinell B17 | 60 B87 | 150 B87 | 150 B82 | 135 B82 | 135
Elongation at Break Percentage min. 10% 11% 8.2% 7.1% 7.5%
Modulus of Elasticity 10,400 ksi 10,400 ksi 10,000 ksi 10,400 ksi 10,400 ksi
Poisson's Ratio 0.32 0.32 0.32 0.32 0.32
Machinability Percentage N/A 70% 70% 70% 70%
Melting Point 890-1,180 °F 890-1,180 °F 890-1,180 °F 890-1,180 °F 890-1,180 °F
Specific Heat 2.29 x 10^-1 BTU/lb-°F 2.29 x 10^-1 BTU/lb-°F 2.29 x 10^-1 BTU/lb-°F 2.29 x 10^-1 BTU/lb-°F 2.29 x 10^-1 BTU/lb-°F
Thermal Conductivity 1,200 BTU-in/hr-ft^2-°F 900 BTU-in/hr-ft^2-°F 900 BTU-in/hr-ft^2-°F 1,080 BTU-in/hr-ft^2-°F 1,080 BTU-in/hr-ft^2-°F
Electrical Conductivity 33% IACS 33% IACS 33% IACS 33% IACS 33% IACS


Chemistry Information
Element
Percentage
Al 90
Cr 0.18 - 0.28
Cu 1.2 - 2
Fe 0.5 max
Mg 2.1 - 2.9
Mn 0.3 max
Si 0.4 max
Ti 0.2 max
Zn 5.1 - 6.1
Zr+Ti 0.25 max
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