SAE A02420 Aluminium Alloys

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

Data updates

Latest Update: 2024-03
Total number of updates: 4
Update History
2020-03 2018-05 2015-01

This material has 89 properties — only a subset is shown here.

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SAE A02420 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
Remainder
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Cr
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
3.5 – 4.5
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

SAE J452: 2018 / Chemical compositions, mechanical and physical properties of SAE aluminum casting alloys

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SAE A02420 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
69 — 79 GPa
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Electrical Resistivity
0.0454 — 0.0507 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
134 — 151 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 89 properties — only a subset is shown here.

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SAE A02420 Heat Treatments

  • Temper 0
    Sand Castings
    Precipitation Heat Treated at 343 ± 6°C (650 ± 10°F), 3 hours;
    Permanent Mold Castings
    Precipitation Heat Treated at 343 ± 6°C (650 ± 10°F), 3 hours;
    Temper 571
    Sand Castings
    Precipitation Heat Treated at 204 ± 6°C (400 ± 10°F), 8 hours;
    Permanent Mold Castings
    Precipitation Heat Treated at 171 ± 6°C (340 ± 10°F), 22-26 hours;
    Temper 61
    Sand Casting
    Solution Heat Treated (1) at 516 ± 6°C (960(5) ± 10°F), 6-12 hours;
    Precipitation Heat Treated at 232 ± 6°C (450 ± 10°F), 1-3 hours;
    Permanent Mold Castings
    Solution Heat Treated (1) at 516 ± 6°C (960(5) ± 10°F), 4-12 hours;
    Precipitation Heat Treated at 204 ± 6°C (400 ± 10°F), 3-5 hours;
    Temper T77
    Sand Castings
    Solution Heat Treated (1) at 515 ± 6°C (960(5) ± 10°F), 6 hours;
    Precipitation Heat Treated at 342 ± 6°C (650 ± 10°F), 2 min.


    (1) Quench in water at 65 to 100°C (150 to 212°F) except as noted

    (5) For these alloys, mechanical properties are often specified in critical casting locations.
    Precipitation heat treat temperatures and times may be widely altered to achieve specified casting properties.

SAE A02420 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 160 MPa
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Brinell Hardness (HB)
90 — 125
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Elongation, A
≥ 1 %
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Yield Strength, Rp0.2
val1
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MPa
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SAE A02420 International Equivalent Materials

Showing 15 of 26 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
A02420
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
242.0
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
B 26 242.0
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
SB-108 242.0
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
B 618 242.0
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
B 275 242.0
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
B 108 242.0
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
142
STANDARD
AA
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A-U4NT
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Implicit
MATERIAL
B 275 CN42A
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
AL1
STANDARD
GOST
COUNTRY / PRODUCER
Russia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Al-Cu4Ni2Mg2
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Implicit
MATERIAL
AC5A
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
242.0
STANDARD
NBR
COUNTRY / PRODUCER
Brazil
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
242.0
STANDARD
NMX
COUNTRY / PRODUCER
Mexico
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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  • 26Cross References
  • 12Composition
  • 13Mechanical Properties
  • 25Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • 6Fatigue
  • -Fracture
  • 1Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • 1Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 4Total Suppliers