AA 771.0 Aluminium Alloys

Material group: Nonferrous Alloys / Aluminium Alloys
Country / Standard: United States / AA

Data updates

Latest Update: 2019-05
Total number of updates: 2
Update History
2019-02

This material has 77 properties — only a subset is shown here.

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AA 771.0 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Remainder
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Cr
VALUE
0.06 – 0.20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.10
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

Designations and chemical composition limits for aluminum alloys in the form of castings and ingot - Pink Sheets (2025), 2025

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AA 771.0 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
69 — 79 GPa
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Electrical Resistivity
0.0466 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Melting Temperature
val1
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°C
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Thermal Conductivity
138.072 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 77 properties — only a subset is shown here.

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AA 771.0 Heat Treatments

  • Cooled from an elevated temperature shaping process and then artificially aged (T5): Aging treatment: At 179.4°C (± 5.56°C) / 355°F (± 10°F) for 3 - 5 hours; cool in still air outside furnace to room temperature.
    T51: Aging treatment: At 207.2°C (± 5.56°C) / 405°F (± 10°F) for 6 hours.
    T52: Aging treatment: At 165.5°C (± 5.56°C) / 330°F (± 10°F) for 6 - 12 hours; cool in still air outside furnace to room temperature; Stress relieve for dimensional stability in following manner: Hold at 412.7°C (± 13.9°C) / 775 (± 25°F) for 5 hours, then furnace cool to 343.3°C (650°F) for 2 or more hours, then furnace cool to 232.2°C (450°F) for not more than 0.5 hours, then furnace cool to 121°C (250°F) for approximately 2 hours, then cool to room temperature in still air outside the furnace.
    T53: Aging treatment: At 182.2°C (± 5.56°C) / 360°F (± 10°F) for 4 hours; cool in still air outside furnace to room temperature; Stress relieve for dimensional stability in following manner: Hold at 412.7°C (± 13.9°C) / 775 (± 25°F) for 5 hours, then furnace cool to 343.3°C (650°F) for 2 or more hours, then furnace cool to 232.2°C (450°F) for not more than 0.5 hours, then furnace cool to 121°C (250°F) for approximately 2 hours, then cool to room temperature in still air outside the furnace.
    Solution heat treated and artificially aged (T6): Solution heat treated at 587.7°C (± 5.56°C) / 1090°F (± 10°F)/6 hours; cool in still air outside furnace to room temperature.
    Aging treatment: At 129.4°C (± 5.56°C) / 265°F (± 10°F) for 3 hours.
    T71: Solution heat treated at 587.7°C (± 5.56°C) / 1090°F (± 10°F)/6 hours; cool in still air outside furnace to room temperature.
    Aging treatment: At 140.5°C (± 5.56°C) / 285°F (± 10°F) for 15 hours.
  • Temper T51: Age by holding at 385°C for 6 hours followed by cooling in still air.

AA 771.0 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 220 MPa
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Brinell Hardness (HB)
70 — 135
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Elongation, A
≥ 1.5 %
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Yield Strength, Rp0.2
val1
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MPa
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AA 771.0 International Equivalent Materials

Showing 14 of 14 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
A07710
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
Precedent 71A
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
SB-26 771.0
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
B 618 771.0
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
B 26 771.0
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
771.0
STANDARD
MIL
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
771.2
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
772.0
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
850.0
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
850.1
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
B 179 771.2
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
771.0
STANDARD
NBR
COUNTRY / PRODUCER
Brazil
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
771.0
STANDARD
NMX
COUNTRY / PRODUCER
Mexico
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
Precedent 771
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 14Cross References
  • 21Composition
  • 29Mechanical Properties
  • 10Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers