17-4PH (United States / SAE) Material Properties

Material group: Ferrous Alloys / Stainless steels
Country/Standard: United States / SAE

Data updates

Latest Update: 2023-04
Total number of updates: 18
Update History:
2022-11 2022-05 2021-07 2021-06 2020-11 2020-08 2020-07 2020-04 2019-09 2019-05 2017-11 2015-04 2014-11 2014-10 2014-07 2014-04 2013-11

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Compression Yield Strength val1
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MPa view details
Tensile Strength 1389.8 — 1810.4 MPa view details
Tensile Strength val1
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MPa view details
Tensile Strength val1
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MPa view details
Elongation, A 7 — 17.1 % view details
Elongation, A val1
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% view details
Elongation, A val1
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% view details
Reduction of Area val1
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% view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 269 — 444 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Compression Yield Strength val1
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ksi view details
Tensile Strength 201.6 — 262.6 ksi view details
Tensile Strength val1
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ksi view details
Tensile Strength val1
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ksi view details
Elongation, A 7 — 17.1 % view details
Elongation, A val1
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% view details
Elongation, A val1
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% view details
Reduction of Area val1
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% view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 269 — 444 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Physical Properties

Temperature

≤ 0°C
0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 211 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Compression Modulus 207 GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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Poisson Coefficient val1
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Poisson Coefficient val1
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Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.77 — 1 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 30.6 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Compression Modulus 30 E+03 ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Density val1
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lb/in³ view details
Poisson Coefficient val1
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Poisson Coefficient val1
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Poisson Coefficient val1
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Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 1.28 E-03 — 1.66 E-03 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
val1
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UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

SAE J 467b: 1968 / Special Purpose Alloys (ʺSuperalloysʺ)

Heat Treatments

  • Bars, wire, forgings, mechanical tubing, and flash welded rings shall be solution heat treated by heating to 1038 ± 14°C (1900 ± 25°F), holding at heat for a time commensurate with section thickness, heating equipment, and procedure used and cooling as required to below 32°C (90°F).<br />Flash welded rings may be given a homogenization heat treatment prior to solution heat treatment when permitted by purchaser. When such treatment is permitted, the rings shall be heated to 1149 ± 14°C (2100 ± 25°F), held at heat for not less than 90 minutes, and cooled at a rate equivalent to, or faster than, an air cool.<br />Precipitation Heat Treatment:<br />H900: 482 ± 6°C (900 ± 10°F), 1 hour +15/-0 minutes.<br />H925: 496 ± 6°C (925 ± 10°F), 4 hours +30/-0 minutes.<br />H1025: 552 ± 6°C (1025 ± 10°F), 4 hours +30/-0 minutes.<br />H1075: 579 ± 6°C (1075 ± 10°F), 4 hours +30/-0 minutes.<br />H1100: 593 ± 6°C (1100 ± 10°F), 4 hours +30/-0 minutes.<br />H1150: 621 ± 6°C (1150 ± 10°F), 4 hours +30/-0 minutes.
  • Homogenization: Heat to 1149°C ± 14°C (2100°F ± 25), not less than 90 minutes, cool as required to room temperature.<br> Solution heat treated: Heat to 1038°C ± 14°C (1900°F ± 25), for 1 hour per 25 mm of section thickness but not less than 30 minutes, cool as required to below 21°C (70°F).<br> Precipitation: Heat within the range 529 - 546°C (985 - 1015°F), hold at the selected temperature within ± 6°C (± 10°F), for not less than 90 minutes, cool in air or inert gas to room temperature.