SS 2737 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: Sweden / SS

Data updates

Latest Update: 2023-06
Total number of updates: 1
Update History

This material has 15 properties — only a subset is shown here.

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SS 2737 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.35 – 1.45
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
10.5 – 11.5
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
3.7 – 4.4
UNIT
%
CAS NUMBER
7440-47-3
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
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

SS 142737: 1989 / Tool steel - High speed steel - Cutting steel and cold work steel - SS steel 27 37

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SS 2737 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8 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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SS 2737 Heat Treatments

  • Full annealing: Normally 850°C, time at temperature, approx. 2 h with protection against decarburization and oxidation. Cooling time 10 K/h (10°C/h) to approx. 650°C, then cooling in air.
    Stress-relief annealing: Normally 650°C, time at temperature, approx. 2 h. Cooling in the furnace to approx. 500°C, then cooling in air (with subsequent checking of dimensions, straightening and final machining).
    Hardening: Preheating, usually in two steps, normally first to 550°C in a convection furnace, then to 850°C in a salt bath.
    Austenitizing for cutting tools, normally 1225°C in a salt bath.
    Austenitizing for shearing and shaping tools, 1150-1225°C in a salt bath.
    Cooling normally to approx. 550°C in a salt bath, then cooling in air (possibly cooling in oil) to approx. 50°C.
    Hardening may be carried out in a vacuum furnace if absolute maximum hardness is not aimed at.
    Tempering: Tempering normally in a convection furnace or a salt bath at 560°C, time at temperature 1 h, three times with an intermediate cooling in air to room temperature.

SS 2737 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 300
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  • -Cross References
  • 10Composition
  • 1Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers