B.S. S 14 Structural and constructional steels

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

Data updates

Latest Update: 2017-04
Total number of updates: 1
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B.S. S 14 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.10 – 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.40 – 0.70
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
≤ 0.3
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 4S 14: 1964 / Carbon case-hardening steel

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B.S. S 14 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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B.S. S 14 Heat Treatments

  • The final heat treatment shall be:
    a) Carburize the parts and carburize or blank carburize the mechanical test samples at a temperature between 880°C and 930°C.
    b) Refine at a temperature between 870°C and 900°C and cool in air, oil or water.
    c) Harden in water from a temperature between 760°C abd 780°C.
    Hardening may be followed by tempering at a temperature not exceeding 200°C; If agreed between the manufacturer and the purchaser and stated on the order, the carburized parts and mechanical test samples shall be hardened by quenching in oil.

B.S. S 14 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 540 MPa
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Elongation, A
≥ 13 %
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Impact Energy
≥ 41 J
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  • -Cross References
  • 6Composition
  • 3Mechanical 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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