B.S. S 137 Stainless steels

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

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This material has 22 properties — only a subset is shown here.

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B.S. S 137 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.12 – 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
15.0 – 18.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.5
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 137: 1976 / Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm)

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B.S. S 137 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 22 properties — only a subset is shown here.

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B.S. S 137 Heat Treatments


  • Hardening: heat uniformly at a temperature between 1000 and 1020°C, followed by cooling in oil or air.
    Tempering: heat at a temperature of 650 ± 10°C followed by cooling in air.
    Retempering: heat at a temperature of 600 ± 10°C, followed by cooling in air.

B.S. S 137 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
880 — 1080 MPa
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Brinell Hardness (HB)
255 — 321
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Elongation, A
≥ 11 %
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Vickers Hardness (HV)
val1
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Yield Strength, Rp0.2
val1
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MPa
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  • 5Cross References

  • 8Composition
  • 5Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
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