Generic X2021 Aluminium Alloys

Material group: Nonferrous Alloys / Aluminium Alloys
Country / Standard: Generic
Indicative price:

Data updates

Latest Update: 2020-07
Total number of updates: 1
Update History

This material has 344 properties — only a subset is shown here.

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Generic X2021 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Cd
VALUE
0.05 – 0.20
UNIT
%
CAS NUMBER
7440-43-9
CRITERIA
Cu
VALUE
5.8 – 6.8
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
≤ 0.30
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
Sn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-31-5
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
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

New weldable high strength aluminum alloys for cryogenic service, H. Y. Hunsicker, J.H. Hess, NASA,

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Generic X2021 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
69 — 79.9 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 344 properties — only a subset is shown here.

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Generic X2021 Heat Treatments

  • Solution treated at 527°C, rapid quenching in cold water.
    T8E31: The pre-aging is normally limited to about one hour at 149°C to keep the strength below a level that would make straightening difficult, and the permanent set during straightening is also limited. Subsequent aging requires 10 hours at 163°C.

Generic X2021 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
458 — 527 MPa
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Elongation, A
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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  • 3Cross References
  • 13Composition
  • 257Mechanical Properties
  • 25Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 45Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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