12L14 (United States / AISI) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United States / AISI

Data updates

Latest Update: 2025-06
Total number of updates: 7
Update History:
2020-03 2019-01 2017-04 2016-06 2016-04 2016-02

Mechanical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 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
Tensile Strength 390 — 540 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 10 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) 121 — 163 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
Tensile Strength 56.6 — 78.3 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 10 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) 121 — 163 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 15 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 1.25 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 Conductivity val1
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S/m view details
Electrical Conductivity val1
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S/m view details
Electrical Conductivity val1
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S/m view details
Electrical Conductivity val1
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S/m view details
Melting Temperature val1
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°C view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density val1
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lb/in³ view details
Poisson Coefficient val1
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view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 8.67 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 752 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 Conductivity val1
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S/in view details
Electrical Conductivity val1
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S/in view details
Electrical Conductivity val1
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S/in view details
Electrical Conductivity val1
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S/in view details
Melting Temperature val1
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°F view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.85 – 1.15
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
0.04 – 0.09
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9

SAE J403: 2014 / Chemical Compositions of SAE Carbon Steels

Heat Treatments

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