PROPRIETARY Uddeholm Vancron 40 SuperClean Tool steels

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

Data updates

Latest Update: 2017-08
Total number of updates: 2
Update History
2016-04

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PROPRIETARY Uddeholm Vancron 40 SuperClean Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.3
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
4.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.4
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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

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PROPRIETARY Uddeholm Vancron 40 SuperClean Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 236 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 32 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Vancron 40 SuperClean Heat Treatments

  • Soft annealing:
    Protect the steel and heat through to 900°C (1650°F). Then cool in the furnace at 10°C/h (20°F/h) to 650°C (1200°F), then freely in air.
    Stress relieving:
    After rough machining the tool should be heated through to 600–700°C (1110–1290°F), holding time 2 hours. Cool slowly to 500°C (930°F), then freely in air.
    Hardening:
    Pre-heating in two stages: 600–650°C (1110–1200°F) and 850–900°C (1560–1650°F). Austenitizing temperature: 950–1150°C (1740–2100°F), normally 1080°C (1980°F). Holding time: 30 minutes (10 minutes at 1100°C (2010°F) and above). Sub-zero treatment is recommended when a hardening temperature of 1100°C (2010°F) or above has been used.
    Sub-zero treatment:
    For the highest requirements on dimensional stability sub-zero treatment is recommended after quenching. The tool should be sub-zero treated immediately after quenching to at least -70°C (-95°F), soaking time 1–3 h, followed by three temperings at 540°C (1000°F) for 1 hour. For a high hardening temperature, >1080°C (1980°F), sub-zero treatment followed by three temperings at 520°C (970°F) for 1 hour is always recommended in order to minimize the retained austenite and improve the dimensional stability.
    Quenching media: Vacuum furnace with high speed gas at sufficient overpressure (2–5 bar); Martempering bath or fluidized bed at approx. 550°C (1020°F); Forced air/gas.
    Quenching should be continued until the temperature of the tool reaches approx. 50°C (120°F). The tool should then be tempered immediately. For applications where maximum toughness is required use a martempering bath or a furnace with sufficient overpressure.
    Tempering:
    For cold work applications tempering should always be carried out at 540°C (1000°F) irrespective of the austenitizing temperature. Temper three times for one hour at full temperature. The tool should be cooled to room temperature between the tempers.
  • Austenitizing temperature 1080°C (1980°F). Holding time 30 minutes.

PROPRIETARY Uddeholm Vancron 40 SuperClean Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
300
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Compression Yield Strength
2200 — 3000 MPa
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  • -Cross References
  • 7Composition
  • 5Mechanical Properties
  • 12Physical Properties
  • 2Heat Treatment
  • 1Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 5Total Suppliers