12Cr13 (China / GB) Material Properties

Other designations: ,
Material group: Ferrous Alloys / Stainless steels
Country/Standard: China / GB

Data updates

Latest Update: 2024-10
Total number of updates: 11
Update History:
2022-11 2022-09 2021-02 2019-10 2017-05 2016-08 2015-12 2015-10 2015-08 2014-06

Mechanical Properties


Temperature

≤ 0°C
0 - 30°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa
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Yield Strength, Rp0.2 val1
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MPa
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Yield Strength, Rp0.2 val1
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MPa
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Tensile Strength 410 — 960 MPa view details
Tensile Strength val1
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MPa
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Tensile Strength val1
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MPa
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Elongation, A 20 % view details
Elongation, A val1
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%
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Elongation, A val1
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%
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Reduction of Area val1
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%
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Reduction of Area val1
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%
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Reduction of Area val1
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%
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Impact Strength val1
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kJ/m²
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Impact Strength val1
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kJ/m²
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Impact Energy val1
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J
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Impact Energy val1
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J
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Brinell Hardness (HB) 159 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
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Yield Strength, Rp0.2 val1
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ksi
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Yield Strength, Rp0.2 val1
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ksi
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Tensile Strength 59.5 — 139.2 ksi view details
Tensile Strength val1
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ksi
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Tensile Strength val1
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ksi
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Elongation, A 20 % view details
Elongation, A val1
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%
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Elongation, A val1
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%
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Reduction of Area val1
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%
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Reduction of Area val1
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%
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Reduction of Area val1
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%
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Impact Strength val1
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ft·lb/in²
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Impact Strength val1
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ft·lb/in²
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Impact Energy val1
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ft·lb
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Impact Energy val1
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ft·lb
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Brinell Hardness (HB) 159 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Physical Properties


Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 217 GPa view details
Modulus of Elasticity val1
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GPa
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Modulus of Elasticity val1
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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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Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C
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Thermal Conductivity 30 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C)
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Thermal Conductivity val1
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W/(m∙°C)
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Thermal Conductivity val1
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W/(m∙°C)
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Heat Capacity val1
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J/(kg∙°C)
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Heat Capacity val1
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J/(kg∙°C)
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Heat Capacity val1
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J/(kg∙°C)
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Heat Capacity val1
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J/(kg∙°C)
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Electrical Resistivity 0.5 — 0.6 Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m
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Electrical Resistivity val1
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Ω∙mm²/m
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Electrical Resistivity val1
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Ω∙mm²/m
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Service Temperature val1
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°C
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Modulus of Elasticity 27.6 E+03 — 31.5 E+03 ksi view details
Modulus of Elasticity val1
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ksi
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Modulus of Elasticity val1
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ksi
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Modulus of Elasticity val1
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ksi
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Density val1
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lb/in³
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Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F
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Thermal Conductivity 17.3 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F)
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Thermal Conductivity val1
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BTU/(h∙ft∙°F)
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Thermal Conductivity val1
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BTU/(h∙ft∙°F)
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Heat Capacity val1
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BTU/(lb∙°F)
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Heat Capacity val1
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BTU/(lb∙°F)
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Heat Capacity val1
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BTU/(lb∙°F)
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Heat Capacity val1
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BTU/(lb∙°F)
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Electrical Resistivity 831 E-06 — 997 E-06 Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft
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Electrical Resistivity val1
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Ω∙circular·mil/ft
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Electrical Resistivity val1
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Ω∙circular·mil/ft
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Service Temperature val1
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°F
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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11.50 – 13.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.00
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

GB/T 20878: 2024 / Stainless steels - Designation and chemical composition

Heat Treatments

  • Annealed at 800 - 900°C, air cooled or at 750°C, fast cooled.
  • Annealing at 750°C, rapid cooling (or at 800 to 900°C, cold cooling).