U20202 (China / GB) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: China / GB

Data updates

Latest Update: 2020-11
Total number of updates: 6
Update History:
2018-06 2017-09 2016-07 2015-08 2014-05

Mechanical Properties


Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa
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Tensile Strength 320 — 850 MPa view details
Elongation, A 5 % view details
Reduction of Area val1
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%
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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) ≤ 229 view details
Yield Strength, Rp0.2 val1
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ksi
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Tensile Strength 46.4 — 123.3 ksi view details
Elongation, A 5 % view details
Reduction of Area val1
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%
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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) ≤ 229 view details

Physical Properties


Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 211 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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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
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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 50.24 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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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 0.12 Ω∙mm²/m view details
Modulus of Elasticity 27.6 E+03 — 30.6 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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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
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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 29 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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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 199 E-06 Ω∙circular·mil/ft view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.24
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-50-8
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

GB/T 3275: 1991 / Hot-rolled quality carbon structural steel plates and strips for automobile

Heat Treatments

  • Normalized: 880°C to 940°C
  • Normalized: 880°C to 940°C