QT450-10 (China / GB) Material Properties

Material group: Ferrous Alloys / Cast irons
Country/Standard: China / GB

Data updates

Latest Update: 2021-04
Total number of updates: 3
Update History:
2020-04 2014-05

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 440 MPa view details
Elongation, A 8 % view details
Brinell Hardness (HB) 160 — 210 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 63.8 ksi view details
Elongation, A 8 % view details
Brinell Hardness (HB) 160 — 210 view details

Physical Properties

Temperature

0 - 30°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 169 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 36.2 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
Electrical Resistivity 0.5 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 24.5 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 20.9 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
Electrical Resistivity 831 E-06 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
3.6 – 3.9
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 0.5
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.050
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 26653: 2011 / Exhaust manifold iron castings

Heat Treatments

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