PROPRIETARY Uddeholm Carmo Tool steels

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

Data updates

Latest Update: 2016-04
Total number of updates: 1
Update History

This material has 34 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Carmo Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.6
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
4.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.8
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Böhler-Uddeholm AG, Product Data Sheets,

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PROPRIETARY Uddeholm Carmo Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
val1
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kg/dm³
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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 34 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Carmo Heat Treatments


  • Stress relieving at 550–650°C (1020–1200°F). Holding time: 2h. Cooling in furnace to 500°C (930°F), then in air.
    Hardening:
    - Pre-heating temperature: 600–700°C (1110–1290°F).
    - Austenitizing temperature: 950–970°C (1740–1780°F), normally 960°C (1760°F). Holding time: 30–45 minutes.
    Quenching:- Forced air/gas.
    - Vacuum furnace with sufficient overpressure.
    - Martempering bath or fluidized bed at 200–550°C (320–1020°F) followed by forced air cooling.
    - Oil.
    Quenching in oil gives an increased risk for dimensional changes and cracks. Temper the tool as soon as its temperature reaches 50–70°C (120–160°F).
    Tempering: Temper twice. Lowest tempering temperature 200°C (390°F). Holding time at temperature minimum 2 hours.
  • Austenitizing temperature 950°C (1760°F). Holding time 30 minutes

PROPRIETARY Uddeholm Carmo Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
870 MPa
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Brinell Hardness (HB)
240 — 270
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Elongation, A
15 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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PROPRIETARY Uddeholm Carmo International Equivalent Materials


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MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%

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  • 4Cross References

  • 6Composition
  • 5Mechanical Properties
  • 12Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability

  • 1Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 4Total Suppliers