En40C (United Kingdom / B.S.) Material Properties

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

Data updates

Latest Update: 2021-05
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 1313 MPa view details
Elongation, A 10 % view details
Brinell Hardness (HB) 375 — 444 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 190.4 ksi view details
Elongation, A 10 % view details
Brinell Hardness (HB) 375 — 444 view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.30 – 0.50
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
2.5 – 3.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.40 – 0.80
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Wrought steels for mechanical and allied engineering purposes, BS 970

Heat Treatments

  • Hardening (quenching in oil): 900-940 C; Tempering: 570-650 C Comment: Stabilising: t >= 520 C (If required by the purchaser)