B.S. S 148 Structural and constructional steels

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

Data updates

Latest Update: 2017-04
Total number of updates: 2
Update History
2014-04

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B.S. S 148 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.36 – 0.41
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.5 – 0.8
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.6 – 0.9
UNIT
%
CAS NUMBER
7439-96-5
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 S 148: 1969 / Specification for low nickel-chromium steel (bar for the manufacture of forged bolts only)

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B.S. S 148 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 15 properties — only a subset is shown here.

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B.S. S 148 Heat Treatments


  • The final heat treatment applicable to bolts made from this material and to their representative test samples is:
    Hardened in oil from a temperature of 840 +/- 10°C.
    Tempered at a suitable temperature between 450°C and 660°C.

B.S. S 148 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≤ 770 MPa
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Brinell Hardness (HB)
≤ 229
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Vickers Hardness (HV)
≥ 500
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  • -Cross References

  • 7Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

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