SAE 7068 Aluminium Alloys

Material group: Nonferrous Alloys / Aluminium Alloys
Country / Standard: United States / SAE
Indicative price:

Data updates

Latest Update: 2023-05
Total number of updates: 4
Update History
2021-02 2018-01 2017-11

This material has 71 properties — only a subset is shown here.

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SAE 7068 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Remainder
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Cr
VALUE
≤ 0.05
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
1.6 – 2.4
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mg
VALUE
val1
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UNIT
%
CAS NUMBER
7439-95-4
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Other each
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6
CRITERIA
Zr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-67-7

SAE AMS 4331B: 2025 / Aluminum Alloy Extrusions 7.8Zn - 2.6Mg - 2.0Cu - 0.10Zr - (7068-T6511) Solution Heat Treated, Stress Relieved, and Precipitation Heat Treated

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SAE 7068 Physical Properties

Temperature

PROPERTY / VALUE
Compression Modulus
74 GPa
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Modulus of Elasticity
69 — 79 GPa
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Density
2.6 — 2.9 kg/dm³
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Poisson Coefficient
val1
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This material has 71 properties — only a subset is shown here.

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SAE 7068 Heat Treatments

  • Annealing: Soak for 2 to 3 hours at 404°C (760°F ); cool to 204°C (400°F) or lower, reheat to 232°C (450°F), and soak for 4 hours; cooling rate optional.
    Solution heat treating temperature (for extrusion): 460-474°C (860- 885°F) , followed by an air cool and quenched.

SAE 7068 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 599.8 MPa
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Elongation, A
≥ 5 %
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Compression Yield Strength
val1
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MPa
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Yield Strength, Rp0.2
≥ 537.7 MPa
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SAE 7068 International Equivalent Materials

Showing 5 of 6 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
A97068
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
7068
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
7068
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
Ultimate 7068
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
7075
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%

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  • 6Cross References
  • 12Composition
  • 35Mechanical Properties
  • 11Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 3Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 3Total Suppliers