SAE HS-188 Cobalt Alloys

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

Data updates

Latest Update: 2022-11
Total number of updates: 6
Update History
2021-01 2019-12 2019-04 2017-04 2017-03

This material has 293 properties — only a subset is shown here.

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SAE HS-188 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
B
VALUE
≤ 0.015
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.05 – 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
Remainder
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
La
VALUE
val1
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UNIT
%
CAS NUMBER
7439-91-0
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
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
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

SAE AMS 5608H: 2022 / Cobalt Alloy, Corrosion and Heat Resistant, Sheet, Strip, and Plate, 40Co - 22Cr - 22Ni - 14.5W - 0.07La, Solution Heat Treated

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SAE HS-188 Physical Properties

Temperature

PROPERTY / VALUE
Compression Modulus
232 — 233 GPa
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Modulus of Elasticity
val1
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GPa
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Density
val1
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kg/dm³
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Thermal Conductivity
val1
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W/(m∙°C)
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Dynamic Modulus of Elasticity
val1
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GPa
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Poisson Coefficient
val1
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Shear Modulus
val1
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GPa
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 293 properties — only a subset is shown here.

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SAE HS-188 Heat Treatments

  • Solution heat treated by heating to 1177°C ± 14°C (2150°F ± 25°F), holding at heat for a time commensurate with cross-sectional thickness, and cooling at an appropriate rate. Any thermal treatment following solution heat treatment shall not involve use of temperatures higher than 1121°C ± 14°C (2050°F ± 25°F).
  • Sheet and strip: Hot rolled or cold rolled, solution heat treated, and, unless solution heat treatment is performed in an atmosphere yielding a bright finish, descaled;
    Plate: Hot rolled, solution heat treated, and descaled;
    The product shall be solution heat treated by heating to a temperature within the range 1163 to 1232°C (2125 to 2250°F), holding at the selected temperature within ± 14°C (± 25°F) for a time commensurate with section thickness, and cooling at a rate equivalent to air cooling or faster, except when continuous heat treating is used;
    Any thermal treatment following solution heat treatment not involve use of temperatures higher than 1121 ± 14°C (2050 ± 25°F)

SAE HS-188 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 861.8 MPa
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Brinell Hardness (HB)
≤ 302
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Elongation, A
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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Compression Yield Strength
val1
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MPa
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Grain Size
val1
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SAE HS-188 International Equivalent Materials

Showing 10 of 20 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
R30188
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
GH5188
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
H51880
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
Nickelvac 188
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
TURBALOY 188
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Alloy 188
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
Haynes 188
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
HS188
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Alloy 188
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
HAYNES 188 RTW Filler Metal
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 20Cross References
  • 24Composition
  • 33Mechanical Properties
  • 104Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • 11Stress-Strain
  • 1Formability
  • -Fatigue
  • -Fracture
  • 2Creep
  • 1Joints
  • -Coatings
  • 82Dimensions
  • -Tribology
  • -Corrosion
  • 2Ageing
  • -Weatherability
  • -Irradiation
  • 11Total Suppliers