ASTM B 685 Precious metals and Alloys

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

Data updates

Latest Update: 2025-06
Total number of updates: 3
Update History
2020-09 2019-05

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

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ASTM B 685 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ag
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-22-4
CRITERIA
Al
VALUE
≤ 0.005
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
Cd
VALUE
≤ 0.05
UNIT
%
CAS NUMBER
7440-43-9
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
Other
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
Pd
VALUE
val1
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UNIT
%
CAS NUMBER
7440-05-3
CRITERIA
Zn
VALUE
val1
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UNIT
%
CAS NUMBER
7440-66-6

B685: 2020 / Palladium-Copper Electrical Contact Material

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ASTM B 685 Physical Properties

Temperature

PROPERTY / VALUE
Electrical Resistivity
0.35 Ω∙mm²/m
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Density
10.6 kg/dm³
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Electrical Conductivity
val1
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S/m
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Melting Temperature
1195 — 1225 °C
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This material has 19 properties — only a subset is shown here.

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ASTM B 685 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
590 — 720 MPa
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Elongation, A
≥ 20 %
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Rockwell Hardness (HR)
64 — 81
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  • -Cross References
  • 10Composition
  • 5Mechanical Properties
  • 4Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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