304 (United States / AISI) Material Properties

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

Data updates

Latest Update: 2024-07
Total number of updates: 32
Update History:
2024-04 2024-03 2023-12 2023-05 2023-04 2022-11 2021-12 2021-10 2020-11 2020-03 2020-02 2019-12 2019-08 2019-07 2019-05 2019-03 2018-10 2018-08 2018-05 2018-01 2017-11 2017-07 2017-04 2016-06 2016-05 2016-02 2015-09 2015-06 2015-02 2014-11 2013-11

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
30 - 100°C
100 - 300°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
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, Rp1 val1
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MPa view details
Compression Yield Strength val1
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Compression Yield Strength val1
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Compression Yield Strength val1
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MPa view details
Tensile Strength 716.9 — 2274.2 MPa view details
Tensile Strength val1
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Tensile Strength val1
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Tensile Strength val1
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Tensile Strength val1
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Elongation, A 2.8 — 78.4 % 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
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 201 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Vickers Hardness (HV) val1
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Grain Size 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
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, Rp1 val1
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ksi view details
Compression Yield Strength val1
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ksi view details
Compression Yield Strength val1
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ksi view details
Compression Yield Strength val1
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ksi view details
Tensile Strength 104 — 329.8 ksi view details
Tensile Strength val1
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ksi view details
Tensile Strength val1
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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 2.8 — 78.4 % 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
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) ≤ 201 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Vickers Hardness (HV) val1
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Grain Size 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 181 — 214.3 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
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
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 0.046 — 15.05 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
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
Electrical Resistivity 0.482 — 0.696 Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Melting Temperature val1
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°C view details
Modulus of Elasticity 26.3 E+03 — 31.1 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
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
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 0.027 — 8.7 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
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
Electrical Resistivity 801 E-06 — 1.16 E-03 Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Melting Temperature val1
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°F 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
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
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

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

Heat Treatments

  • Annealed at 980°C (1800°F) minimum and rapidly quenched.
  • After hot working, forgings shall be cooled to a temperature below 538°C (1000°F) prior to heat treating.<br>Solution treating and quenching: austenitizing/solution heat treatment temperature 1040°C (1900°F) minimum, liquid cooling. Quenching cool below 260°C (500°F).