SAE 4890 Copper Alloys

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

Data updates

Latest Update: 2018-05
Total number of updates: 2
Update History
2017-12

This material has 36 properties — only a subset is shown here.

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SAE 4890 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Be
VALUE
1.90 – 2.25
UNIT
%
CAS NUMBER
7440-41-7
CRITERIA
Co
VALUE
0.35 – 0.7
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
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
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

SAE AMS 4890D: 2005 / Copper-Beryllium Alloy Castings 97Cu - 2.1Be - 0.52Co - 0.28Si Solution Heat Treated (TB00)

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SAE 4890 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
100 — 150 GPa
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Density
7.5 — 9.3 kg/dm³
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This material has 36 properties — only a subset is shown here.

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SAE 4890 Heat Treatments

  • Solution heat treated by heating to 760 to 802°C (1400 to 1475°F), 15 to 60 minutes, and quenching in water or suitable oil. Unless otherwise specified, representative specimens shall be precipitation heat treated by heating within the range 343 to 399°C (650 to 750°F), holding at heat for not less than one hour to demonstrate heat treat response.

SAE 4890 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 414 MPa
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Elongation, A
≥ 2 %
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
≥ 138 MPa
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SAE 4890 International Equivalent Materials

Showing 10 of 11 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
97Cu-2.1Be-0.52Co-0.28Si
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Identical
MATERIAL
B 30 C82500
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
C82500
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
CAC904
STANDARD
KS
COUNTRY / PRODUCER
Korea
EQUIVALENCE CATEGORY
Implicit
MATERIAL
825
STANDARD
MIL
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
20C
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
4511
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
B30 20C
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
B 30 20CT
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
20CT
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit

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

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  • 11Cross References
  • 11Composition
  • 8Mechanical Properties
  • 2Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 3Total Suppliers