ASTM B 781 86.5/13.5 Precious metals and Alloys

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

Data updates

Latest Update: 2026-03
Total number of updates: 2
Update History
2019-03

This material has 19 properties — only a subset is shown here.

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ASTM B 781 86.5/13.5 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ag
VALUE
≥ 85.5
UNIT
%
CAS NUMBER
7440-22-4
CRITERIA
CdO
VALUE
12.5 – 14.5
UNIT
%
CAS NUMBER
1306-19-0; 12139-21-8

B781: 1993 / Standard Guide for Silver-Cadmium Oxide Contact Material

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ASTM B 781 86.5/13.5 Physical Properties


Temperature

PROPERTY / VALUE
Electrical Resistivity
0.0203 — 0.0239 Ω∙mm²/m
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Density
9.89 kg/dm³
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Electrical Conductivity
4.18e+007 — 4.93e+007 S/m
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This material has 19 properties — only a subset is shown here.

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ASTM B 781 86.5/13.5 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
221 — 464 MPa
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Elongation, A
≥ 3 %
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Rockwell Hardness (HR)
45 — 72
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  • -Cross References

  • 2Composition
  • 8Mechanical Properties
  • 9Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

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