S 147 (United Kingdom / B.S.) Material Properties

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

Data updates

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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Tensile Strength ≤ 770 MPa view details
Brinell Hardness (HB) ≤ 229 view details
Vickers Hardness (HV) 500 view details
Tensile Strength ≤ 111.7 ksi view details
Brinell Hardness (HB) ≤ 229 view details
Vickers Hardness (HV) 500 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
0.38 – 0.43
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.4 – 0.6
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.75 – 1.0
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

BS 2S 147: 1976 / Specification for 0.5% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts

Heat Treatments

  • Hardening - Heat at a temperature of 840°C to 870°C, followed by cooling in oil. The tolerance on the chosen temperature shall be ± 10°C; Tempering - Heat uniformly at a temperature between 450°C and 660°C, followed by cooling in air.