En4 (United Kingdom / B.S.) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United Kingdom / B.S.

Data updates

Latest Update: 2015-10
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Tensile Strength 432 — 587 MPa view details
Elongation, A 25 % view details
Brinell Hardness (HB) 126 — 179 view details
Tensile Strength 62.7 — 85.1 ksi view details
Elongation, A 25 % view details
Brinell Hardness (HB) 126 — 179 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 184.1 — 210 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 33.472 — 46.024 W/(m∙°C) view details
Electrical Resistivity 0.136 — 0.195 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 26.7 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
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 19.3 — 26.6 BTU/(h∙ft∙°F) view details
Electrical Resistivity 226 E-06 — 324 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
≤ 0.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 1.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.060
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

Wrought steels for mechanical and allied engineering purposes, BS 970

Heat Treatments

  • Normalizing: 850-900 C