PROPRIETARY SIHARD 3503 Tool steels

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

Data updates

Latest Update: 2021-10
Total number of updates: 1
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PROPRIETARY SIHARD 3503 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.05
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.03
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.33
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

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PROPRIETARY SIHARD 3503 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 23 properties — only a subset is shown here.

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PROPRIETARY SIHARD 3503 Heat Treatments

  • Soft annealing: Heat to 730-760°C, cool slowly. This will produce a maximum Brinell hardness of 207.
    Normalizing: 860-890°C.
    Stress relieving: Stress relieving to remove machining stresses should be carried out by heating to 600-650°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 790-820, 820-850°C followed by water or oil quenching or warm bath approx. 400°C. Hardness after quenching is 65 HRC.
    Tempering temperature: 150-170°C.

PROPRIETARY SIHARD 3503 Mechanical Properties

Temperature

PROPERTY / VALUE
Rockwell Hardness (HR)
41 — 64
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  • 4Cross References
  • 4Composition
  • 6Mechanical Properties
  • 5Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 2Total Suppliers