ASTM A 732 Grade 21 Cobalt Alloys

Material group: Nonferrous Alloys / Cobalt Alloys
Country / Standard: United States / ASTM

Data updates

Latest Update: 2022-05
Total number of updates: 2
Update History
2022-01

This material has 20 properties — only a subset is shown here.

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ASTM A 732 Grade 21 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
B
VALUE
≤ 0.007
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.20 – 0.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
Balance
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

A732/A732M: 2025 / Standard Specification for Castings, Investment, Carbon and Low-Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures

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ASTM A 732 Grade 21 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 360 MPa
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Elongation, A
≥ 10 %
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Impact Energy
≥ 27 J
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  • 5Cross References
  • 11Composition
  • 3Mechanical Properties
  • -Physical Properties
  • -Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 1Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers