SAE 7918 Beryllium Alloys

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

Data updates

Latest Update: 2026-05
Total number of updates: 1
Update History

This material has 11 properties — only a subset is shown here.

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SAE 7918 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ag
VALUE
2.65 – 3.35
UNIT
%
CAS NUMBER
7440-22-4
CRITERIA
Al
VALUE
Remainder; Determination not required for routine acceptance
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Be
VALUE
61.1 – 68.6
UNIT
%
CAS NUMBER
7440-41-7
CRITERIA
Co
VALUE
val1
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UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Ge
VALUE
val1
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UNIT
%
CAS NUMBER
7440-56-4
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

SAE AMS 7918B: 2008 / Beryllium Aluminum Alloy Investment Castings 64.9Be - 30Al - 3Ag - 1Co - 0.75Ge As Cast

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SAE 7918 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 241 MPa
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Elongation, A
≥ 1 %
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Yield Strength, Rp0.2
≥ 172 MPa
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  • -Cross References
  • 8Composition
  • 3Mechanical Properties
  • -Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers