PROPRIETARY Kobalt 3 Tool steels

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

Data updates

Latest Update: 2021-01
Total number of updates: 2
Update History
2019-05

This material has 13 properties — only a subset is shown here.

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PROPRIETARY Kobalt 3 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.81
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
2.6
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
4.2
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

Edelstahlwerk W. Ossenberg & Cie. GmbH, Product Data Sheets,

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PROPRIETARY Kobalt 3 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 13 properties — only a subset is shown here.

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PROPRIETARY Kobalt 3 Heat Treatments

  • Hot forming and heat treatment: Forging at 1120 - 900°C; Annealing at 850°C for 8 h.
    Hardening (quenching in oil, air or hot bath): 1240 - 1270°C.
    Tempering temperature: minimum 540 - 560°C, 2 x 1 h.

PROPRIETARY Kobalt 3 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 300
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Rockwell Hardness (HR)
63 — 65
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  • -Cross References
  • 6Composition
  • 2Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers