300W (United States / ASME) Material Properties

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

Data updates

Latest Update: 2024-03
Total number of updates: 8
Update History:
2024-02 2024-01 2023-11 2023-10 2021-03 2017-10 2017-09

Mechanical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 280 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
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 410 — 620 MPa view details
Tensile Strength val1
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MPa view details
Tensile Strength val1
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Tensile Strength val1
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Elongation, A 18 % view details
Yield Strength, Rp0.2 40.6 ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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Yield Strength, Rp0.2 val1
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Tensile Strength 59.5 — 89.9 ksi view details
Tensile Strength val1
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Tensile Strength val1
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Tensile Strength val1
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Elongation, A 18 % view details

Physical Properties

Temperature

≤ 0°C
0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 209 — 216 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Density 7.67 — 7.86 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
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 60.4 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Modulus of Elasticity 30.3 E+03 — 31.3 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 34.9 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.2200
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cu
VALUE
≥ 0.2000
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
0.5000 – 1.5000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Other
VALUE
val1
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UNIT
%
CAS NUMBER
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

Structural quality steel, CSA G40.21 / 2013

Heat Treatments

  • Normalizing - a process that involves re-heating as-rolled steel plate to a temperature above the upper transformation temperature (approximately 830 to 900° (1525 to 1650°F), and cooling it in still air. Normalized steels are denoted “N” and are applicable to steel plate. <br/> Quenching and tempering: steel shall be heat treated by quenching and tempering to conform to the mechanical properties required by. Quenching shall be accomplished by uniformly heating the steel to not less than 900°C (1650°F) and then cooling it by liquid immersion or liquid sprays to a temperature less than 320°C (600°F). The steel shall be tempered by uniformly reheating it to a suitable temperature not less than 595°C (1100°F), or as stipulated on the product specification, and then cooled in air or quenched. The heat-treating temperature shall be reported on the test certificates, if required.