PROPRIETARY Evoloop C8 Tool steels

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

Data updates

Latest Update: 2025-11
Total number of updates: 3
Update History
2025-10 2024-08

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PROPRIETARY Evoloop C8 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.05
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
7.8
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
4.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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 Evoloop C8 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 230 GPa
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Density
val1
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kg/dm³
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Thermal Conductivity
24 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Poisson Coefficient
val1
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This material has 50 properties — only a subset is shown here.

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PROPRIETARY Evoloop C8 Heat Treatments

  • Soft annealing in a protective atmosphere at 850-900°C for 3 hours, followed by slow cooling 10°C per hour down to 700°C, then air cooling.

    Stress-relieving at 600°C to 700°C for approximately 2 hours, slow cooling down to 500°C.

    Hardening in a protective atmosphere with pre-heating in 2 steps at 450-500°C and 850-900°C and austenitising at a temperature suitable for chosen working hardness.

    3 tempers at 560°C are recommended with at least 1 hour holding time each time.

PROPRIETARY Evoloop C8 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
260 — 300
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Rockwell Hardness (HR)
57.37 — 68.93
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Impact Energy
10.4 — 20.7 J
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  • -Cross References
  • 6Composition
  • 25Mechanical Properties
  • 17Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers