ASTM B 684 80Pt-20Ir Precious metals and Alloys

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

Data updates

Latest Update: 2022-12
Total number of updates: 1
Update History

This material has 33 properties — only a subset is shown here.

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ASTM B 684 80Pt-20Ir Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
As
VALUE
≤ 0.01
UNIT
%
CAS NUMBER
7440-38-2
CRITERIA
Au
VALUE
≤ 0.1
UNIT
%
CAS NUMBER
7440-57-5
CRITERIA
Bi
VALUE
≤ 0.01
UNIT
%
CAS NUMBER
7440-69-9
CRITERIA
Cd
VALUE
val1
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UNIT
%
CAS NUMBER
7440-43-9
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Hg
VALUE
val1
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UNIT
%
CAS NUMBER
7439-97-6
CRITERIA
Ir
VALUE
val1
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UNIT
%
CAS NUMBER
7439-88-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Os
VALUE
val1
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UNIT
%
CAS NUMBER
7440-04-2
CRITERIA
Other each
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
Pt
VALUE
val1
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UNIT
%
CAS NUMBER
7440-06-4
CRITERIA
Rh
VALUE
val1
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UNIT
%
CAS NUMBER
7440-16-6
CRITERIA
Ru
VALUE
val1
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UNIT
%
CAS NUMBER
7440-18-8
CRITERIA
Sb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-36-0
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

B684/B684M: 2022 / Standard Specification for Platinum-Iridium Electrical Contact Materials

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ASTM B 684 80Pt-20Ir Physical Properties

Temperature

PROPERTY / VALUE
Electrical Resistivity
0.32 Ω∙mm²/m
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Density
21.6 kg/dm³
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Electrical Conductivity
val1
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S/m
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Melting Temperature
1870 — 1910 °C
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This material has 33 properties — only a subset is shown here.

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ASTM B 684 80Pt-20Ir Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
590 — 830 MPa
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Elongation, A
1 — 10 %
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  • 2Cross References
  • 19Composition
  • 8Mechanical Properties
  • 4Physical Properties
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  • -Metallography
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