B.S. T 72 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: United Kingdom / B.S.

Data updates

Latest Update: 2020-11
Total number of updates: 1
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B.S. T 72 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.08
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17.0 – 19.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.50
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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 T 72-T 73: 1977 / 18/10 chromium-nickel corrosion-resisting steel tube for hydraulic purposes (Niobium/titanium stabilized: 550 MPa)

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B.S. T 72 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Electrical Resistivity
0.717 Ω∙mm²/m
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Thermal Conductivity
val1
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W/(m∙°C)
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Poisson Coefficient
val1
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This material has 79 properties — only a subset is shown here.

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B.S. T 72 Heat Treatments


  • The tube shall be softened by heating uniformly at a temperature between 1000-1125°C and cooling in a suitable manner.

B.S. T 72 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
550 — 700 MPa
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Elongation, A
≥ 40 %
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Yield Strength, Rp0.2
210 — 340 MPa
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  • 4Cross References

  • 9Composition
  • 6Mechanical Properties
  • 57Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • 2Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

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

  • -Corrosion
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