PROPRIETARY Uddeholm Vanadis 8 SuperClean Tool steels

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

Data updates

Latest Update: 2017-08
Total number of updates: 1
Update History

This material has 22 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Vanadis 8 SuperClean Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.3
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
4.8
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
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 Vanadis 8 SuperClean 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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Heat Capacity
val1
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J/(kg∙°C)
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Poisson Coefficient
val1
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This material has 22 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Vanadis 8 SuperClean Heat Treatments

  • Soft annealing: Protect the steel and heat through to 900°C (1650°F). Cool in the furnace at 10°C (18°F) per hour to 650°C (1200°F), then freely in air.
    Stress relieving: After rough machining the tool should be heated through to 650°C (1200°F), holding time 2 hr. Cool slowly to 500°C (930°F), then freely in air.
    Hardening: Pre-heating temperature: First pre-heating at 600-650°C (1110-1200°F) and second at 850-900°C (1560-1650°F). Austenitizing temperature: 1020-1180°C (1870-2160°F). Holding time: 30 minutes for hardening temperatures up to 1100°C (2010°F), 15 minutes for temperatures higher than 1100°C (2010°F). Note: Holding time = time at hardening temperature after the tool is fully heated through. A holding time of less than recommended time will result in loss of hardness. The tool should be protected against decarburization and oxidation during hardening.
    Quenching media: Vacuum (high speed gas at sufficient overpressure minimum 2 bar); Martempering bath or fluidized bed at 200 - 550°C (390 - 1020°F); Forced air/gas; Note: Temper the tool as soon as its temperature reaches 50 - 70°C (120 - 160°F). In order to obtain the optimum properties for the tool, the cooling rate should be as fast as possible with regards to acceptable distortion. A slow quench rate will result in loss of hardness compared with the given tempering curves. Martempering should be followed by forced air cooling if wall thickness is exceeding 50 mm.
    Tempering temperature should be chosen based on desired hardness. Temper at least twice with intermediate cooling to room temperature. For highest dimentional stability and ductility, a minimum temperature od 540°C (1000°F) and three tempers is strongly recommended.
  • Austenitizing temperature 1020°C (1870°F). Holding time 30 minutes.

PROPRIETARY Uddeholm Vanadis 8 SuperClean Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 270
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  • -Cross References
  • 6Composition
  • 1Mechanical Properties
  • 12Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers