PROPRIETARY SIHARD 2690 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2017-06
Total number of updates: 1
Update History

This material has 24 properties — only a subset is shown here.

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PROPRIETARY SIHARD 2690 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.30
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
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

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PROPRIETARY SIHARD 2690 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
0.6 Ω∙mm²/m
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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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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
26 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 24 properties — only a subset is shown here.

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PROPRIETARY SIHARD 2690 Heat Treatments

  • Soft annealing: Heat to 820-870°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 250.
    Stress relieving: Stress relieving to remove machining stresses should be carried out by heating to 650°C, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.
    Hardening: Harden from a temperature of 1020-1050°C followed by oil, air quenching or warm bath quenching approx. 400°C. Hardness after quenching is 60-61 HRC.
    Tempering temperature: 150-400°C.

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  • 1Cross References
  • 8Composition
  • -Mechanical Properties
  • 9Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 3Total Suppliers