ASTM B 662 Class A1 Precious metals and Alloys

Material group: Nonferrous Alloys / Precious metals and Alloys
Country / Standard: United States / ASTM

Data updates

Latest Update: 2019-03
Total number of updates: 1
Update History

This material has 9 properties — only a subset is shown here.

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ASTM B 662 Class A1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ag
VALUE
33.0 – 37.0
UNIT
%
CAS NUMBER
7440-22-4
CRITERIA
Co
VALUE
≤ 0.5
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cu
VALUE
≤ 0.5
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER

B662/B662M: 2026 / Standard Specification for Silver-Molybdenum Electrical Contact Material

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ASTM B 662 Class A1 Physical Properties


Temperature

PROPERTY / VALUE
Electrical Resistivity
0.0383 — 0.0493 Ω∙mm²/m
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Density
10.3 kg/dm³
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Electrical Conductivity
2.03e+007 — 2.61e+007 S/m
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This material has 9 properties — only a subset is shown here.

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ASTM B 662 Class A1 Mechanical Properties


Temperature

PROPERTY / VALUE
Rockwell Hardness (HR)
80 — 100
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  • -Cross References

  • 5Composition
  • 1Mechanical Properties
  • 3Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

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