GJB 7B04 Aluminium Alloys

Material group: Nonferrous Alloys / Aluminium Alloys
Country / Standard: China / GJB

Data updates

Latest Update: 2025-11
Total number of updates: 2
Update History
2017-02

This material has 281 properties — only a subset is shown here.

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GJB 7B04 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Remainder
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Cr
VALUE
0.1000 – 0.2500
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
1.4000 – 2.0000
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
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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

GJB 2053A: 2008 / Specification for aluminum alloy structural sheet for aerospace

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GJB 7B04 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
69 — 79 GPa
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Electrical Resistivity
≥ 0.0455 Ω∙mm²/m
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Density
2.6 — 2.9 kg/dm³
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Electrical Conductivity
val1
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S/m
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Poisson Coefficient
val1
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This material has 281 properties — only a subset is shown here.

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GJB 7B04 Heat Treatments


  • Annealing temperature at 380 to 430°C, insulation, min. 10 to 60.
    Solution treatment (T6) at 465 to 475°C, insulation min. 5 to 270.
  • Annealing temperature range: 380 to 430°C.
    Quenching temperature range: 496 to 475°C.

GJB 7B04 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 245 MPa
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Elongation, A
≥ 2 %
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Yield Strength, Rp0.2
345 — 530 MPa
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GJB 7B04 International Equivalent Materials


Showing 1 of 3 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%

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  • 3Cross References

  • 60Composition
  • 178Mechanical Properties
  • 11Physical Properties
  • 5Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 24Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • -Total Suppliers