B.S. 221-530 Structural and constructional steels

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

Data updates

Latest Update: 2022-04
Total number of updates: 3
Update History
2021-06 2020-04

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B.S. 221-530 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al met
VALUE
≤ 0.010
UNIT
%
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Cu+Mo+Ni
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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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 1503: 1989 / Specification for steel forgings for pressure purposes

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B.S. 221-530 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. 221-530 Heat Treatments


  • Forgings shall normally be supplied in the following conditions:
    Q+T - Quenched and Tempered
    Austenitized at 870 to 910°C; Tempered at 580 to 660°C

B.S. 221-530 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
530 — 650 MPa
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Elongation, A
≥ 15 %
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Yield Strength, Rp0.2
≥ 295 MPa
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  • 1Cross References

  • 11Composition
  • 11Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 8Creep

  • 83Joints
  • -Coatings
  • -Dimensions
  • 1Tribology

  • 8491Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • -Total Suppliers