Type 444 (PROPRIETARY) Material Properties

Material group: Ferrous Alloys / Stainless steels
Country/Standard: PROPRIETARY

Data updates

Latest Update: 2022-08
Total number of updates: 3
Update History:
2021-09 2021-07

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 415 MPa view details
Elongation, A 20 % view details
Brinell Hardness (HB) ≤ 217 view details
Rockwell Hardness (HR) val1
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Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 415 MPa view details
Elongation, A 20 % view details
Brinell Hardness (HB) ≤ 217 view details
Rockwell Hardness (HR) val1
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view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 GPa view details
Density val1
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kg/dm³ view details
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
Thermal Conductivity 26.8 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 0.57 — 0.62 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 190 — 215 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
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 26.8 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 0.57 — 0.62 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.025
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17.5 – 19.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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
CRITERIA
Ti+Nb
VALUE
val1
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UNIT
%
CAS NUMBER

Cleveland-Cliffs, Product Data Sheets / Available at: www.clevelandcliffs.com

Heat Treatments

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